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  1. The Chevrolet Corvette Z06 is a hot car. Both in terms of performance and problems. Motor1 reports that Chevrolet will be introducing improvements for the Z06's cooling in 2017. Tadge Juechter, Corvette executive chief engineer said a small number of Z06 owners were experiencing heatsoak or overheating issues when running their models hard on the track. Juechter said this group was small, but very vocal with this issue. Chevrolet says full details about the changes will be announced later this year, but did say one of the changes will be a new hood with improved cooling vents. Source: Motor1.com
  2. Earlier this week, we reported that Chevrolet was planning to show off three vehicles for the New York Auto Show; one of those being a new variant of the Corvette. Many of us have been racking our brains trying to figure out what that new model is. Well thanks to someone leaking out photos earlier today, GM has revealed what the model is. Meet the 2015 Corvette Z06 Convertible whose task is to give vehicles such as the Porsche 911 Turbo S Cabriolet a run for their money. So what's different about the Z06 Convertible from the Coupe? The most obvious change is the loss of a hardtop and the introduction of a soft-top and folding mechanism. Now with most convertibles, they tend to weigh a bit more than the coupe thanks to added bracing, structural enhancements, and the top mechanism. The Corvette Z06 Convertible bucks that trend with it weighing the same as the coupe. The secret? Comes down to the ultra-stiff aluminum frame which means there doesn't have to be additional strengthening. "Until recently it was not possible to create a lightweight, open-roof structure strong enough to cope with the braking, cornering, and acceleration of Corvette's top performance models. The frame for the Z06 convertible leverages advancements in computer-aided engineering, metallurgy, and manufacturing techniques – many of which were not available just five years ago," said Tadge Juechter, chief engineer for the Corvette. The supercharged 6.2L V8 engine with 625 horsepower is there, as is the choice of either a seven-speed manual or eight-speed automatic, Brembo Carbon-Ceramic brakes, and Michelin Pilot Super Sport tires. The Corvette Z06 Convertible arrives early next year. Source: Chevrolet Press Release is on Page 2 Drop-top Supercar: 2015 Corvette Z06 Convertible NEW YORK – Chevrolet today introduced one of the most capable drop-tops on the market: the 2015 Corvette Z06 Convertible. With at least 625 horsepower, and 635 pound-feet of torque, the Z06 is also the most powerful convertible ever produced by Chevrolet. "The Z06 Convertible is a world-class supercar in every sense," said Mark Reuss, executive vice president, Global Product Development. "Only a handful of convertibles in the world bring more than 600 horsepower and 600 pound-feet of torque. Even fewer can match the advanced technologies, aerodynamic design, and visceral driving experience of the Z06 Convertible." This is the first Z06 Convertible offered from the factory since 1963 when the Z06 option package was introduced for endurance racing. Records show only 199 Corvette orders with a Z06 package that year, including one convertible. Recent technological advancements enable the building of a modern Z06 Convertible, said Corvette chief engineer Tadge Juechter "Until recently it was not possible to create a lightweight, open-roof structure strong enough to cope with the braking, cornering, and acceleration of Corvette's top performance models," Juechter said. "The frame for the Z06 convertible leverages advancements in computer-aided engineering, metallurgy, and manufacturing techniques – many of which were not available just five years ago." The aluminum structure is 20 percent stiffer than the previous, fixed-roof Z06. As there are no structural reinforcements needed for the Z06 Convertible, its curb weight is nearly identical to the Z06 Coupe. They also share the same chassis tuning, powertrain output, driver technologies and equipment options – including the Z07 Performance Package, which adds Brembo carbon-ceramic matrix brakes, Michelin Pilot Sport Cup tires and adjustable front- and rear-aerodynamic components. "The most impressive aspect of the Z06 Convertible may be its performance bandwidth," said Juechter. "Very few cars on the market can match its combination of extreme, supercar levels of performance; the flexibility for daily driving and long-distance commuting; and the 360-degree, open-air driving experience only true convertibles can offer." All-aluminum, high-tech foundation The Corvette Z06 Convertible represents the culmination of more than four years developing an all-new, all-aluminum structure for the seventh generation Corvette. That structure, built at General Motors' Bowling Green Assembly plant, was designed to the specifications of the Corvette Stingray, Corvette Z06 and the Corvette Racing C7.R. "We wanted a frame that was lighter than the steel frame of the previous Corvette, yet strong enough for both a 600-horsepower convertible and a 24-hour endurance racer," said Ed Moss, engineering group manager for Corvette structures. "That would not have been possible without improvements in computer-aided engineering software, which allowed us to model more than 17,000 frame iterations, with each iteration improving strength and stiffness, while reducing mass." The team used nearly 186,000 computational hours of modeling to develop the frame. It features main rails composed of five customized aluminum segments, including aluminum extrusions at each end, a center main rail section and hollow-cast nodes at the suspension interface points. The gauge of each segment varies in thickness from 2mm to 11mm, tailored – along with the shape – to meet the strength and stiffness requirements for each frame section with minimal weight. These components are assembled using many advanced manufacturing processes, including:• 439 spot-welds using a GM-patented process that uses a unique electrode designed specifically for aluminum • 188 Flowdrill-machined fasteners installed by a high-speed drill that extrudes the frame material to create a strong, integral collar tapped for bolt-on fasteners• 113 feet of structural adhesives used in conjunction with welding and fasteners to increase overall frame stiffness • 37 feet of laser welds, which join frame sections via a precise beam of high energy that minimizes heat beyond the weld area for improved structural accuracy.The only structural differences between the Z06 Coupe and Convertible are provisions for mounting the power-folding top, and repositioned safety-belt mounts. High-performance aerodynamics Like the structure, only minor design changes distinguish the Z06 Coupe from the Convertible. The Z06 convertible features an electronic top that can be lowered remotely using the car's key fob. The top can also open or clos on the go, at speeds of up to 30 mph (50 km/h). With the top up, the Z06 Convertible is designed for a refined driving experience. A thick fabric top, offered in four colors along with sound-absorbing padding and a glass rear window, contributes to a quiet cabin and premium appearance. Behind the seat backs, dual accent panels – either Carbon Flash-painted or available with exposed carbon fiber – enhance the character lines of the tonneau cover. Corvette Stingray's signature "waterfall" design originates in the valley between the nacelles, bringing the exterior color into the interior. The power-operated tonneau cover necessitated moving the air intakes for the differential and transmission coolers from the rear quarter panels on the Z06 Coupe to the underbody of the Z06 Convertible. Otherwise, both models share the same, performance-driven aesthetic. "Practically every exterior panel serves a functional purpose to meet the performance goals of the Z06," said Tom Peters, Corvette design director, "The flared fenders accommodate larger, wider wheels and tires for more grip. The larger vents provide more cooling air to the engine, brakes, transmission and differential for increased track capability. The more aggressive aerodynamic package generates true downforce for more cornering grip and high-speed stability." Both Z06 models are fitted with Michelin tires (Pilot Super Sport tires for the Z06; Sport Cup 2 tires with the Z07 package): P285/30ZR19 front, and 335/25ZR20 rear. The tires are mounted on lightweight, spin-cast aluminum wheels (19 x 10 inches in front and 20 x 12 inches in the rear). Their open, ultralight design showcases the massive Brembo brakes, which contribute to the design:• The Z06 features two-piece steel rotors, measuring 14.6 x 1.3-inch (371 x 33 mm) front and 14.4 x 1-inch (365 x 25 mm) rear, with aluminum six-piston and four-piston fixed calipers, respectively • The Z07 package adds larger, 15.5 x 1.4-inch (394 x 36 mm) front and 15.3 x 1.3-inch (388 x 33 mm) carbon ceramic-matrix brake rotors for consistent performance lap after lap. They collectively save 23 pounds over the standard Z06 rotors. Both Z06 coupe and convertible will be available with one of three, increasing levels of aerodynamic downforce:• The standard Z06 features a front splitter, spats around the front wheel openings, a unique carbon-fiber hood with a larger vent, and rear spoiler • An available carbon-fiber aero package delivers aerodynamic downforce four times greater than the standard Z06. It adds a carbon fiber front splitter with aviation-style winglets, carbon fiber rocker panels, and a larger rear spoiler with a fixed wickerbill – a small, vertical tab at the edge of the spoiler that significantly increases downforce. The package is available in black or a visible carbon-fiber finish• The available Z07 package adds larger winglets to the front splitter, along with an adjustable, see-through center section on the rear spoiler enabling customers to tailor the aerodynamics to their preference. Compared to the Corvette Stingray, the Corvette Z06 fenders are 2.2 inches (56 mm) wider at the front, and 3.15 inches (80 mm) at the rear. Those extensions give the Corvette Z06 a wider, lower appearance further emphasized by a unique rear fascia. It incorporates the same taillamp assemblies as the Stingray, but on the Z06 the taillamps are pushed approximately three inches farther apart, toward to edges of the body. The exterior design also reflects the increased cooling required for the new Corvette Z06. For example, the mesh pattern on the front fascia was designed to deliver the most possible airflow to the supercharger's intercooler heat exchanger, so much that the mesh grill directs more air into the engine bay than if the grille was removed. The unique grille also features dedicated brake-cooling intakes and wider grille outlets on the bottom serve as air diffusers. A larger hood vent allows air driven through the grille to exit through the hood rather than being forced under the car, which could create lift. Standard front and rear brake-cooling ducts, including Z06-signature rear ducts integrated in front of the rear fender openings, are also part of the functional design changes. The Z06 benefits from interior details designed for high-performance driving, first introduced on the Stingray, including a steel-reinforced grab bar on the center console for the passenger and soft-touch materials on the edge of the console, where the driver naturally braces during high-load cornering. Like the Stingray, the Z06 comes with two seating choices: a GT seat, for all-around comfort, and a Competition Sport seat with more aggressive side bolstering, which provides greater support on the track. A magnesium frame structure for both seats provides greater rigidity and strength compared with steel frames. Unprecedented attention to detail and build quality complements the Corvette Z06's performance. All models feature a fully wrapped interior, with every surface covered by premium, soft-touch materials. Available materials, depending on the trim level, include Napa leather, aluminum, carbon fiber and micro-suede. The interior also features a flat-bottom steering wheel with a carbon fiber center spoke. The Z06 comes in five interior colors, including two that are unique to Z06 – blue and dark gray. Supercharged, efficient performance The heart of the 2015 Corvette Z06 is the all-new LT4 6.2L supercharged V-8 engine, expected to deliver at least 625 horsepower (466 kW) and 635 lb-ft of torque (861 Nm). To balance performance and efficiency, the LT4 leverages the same trio of advanced technologies introduced on the Corvette Stingray: Direct injection, Active Fuel Management, or cylinder deactivation, and continuously variable valve timing. These technologies – combined with the fuel-efficient multi-speed transmissions, aerodynamic design and lightweight construction – help make the new Z06 surprisingly fuel efficient. "The supercharged LT4 engine delivers the greatest balance of performance and efficiency ever in the Corvette," said John Rydzewski, assistant chief engineer for Small-Block engines. "It is one of the world's only supercharged engines to incorporate cylinder deactivation technology, enabling it to cruise efficiently on the highway with reduced fuel consumption, but offer more than 600 horsepower whenever the driver calls up its tremendous power reserve." The supercharged LT4 comes with a standard seven-speed manual transmission with Active Rev Match, or an all-new 8L90 eight-speed paddle-shift automatic transmission designed to enhance performance and efficiency. The seven-speed manual incorporates rev-matching technology for upshifts and downshifts. A new dual-mass flywheel and dual-disc clutch deliver greater shift quality and feel through lower inertia. The eight-speed automatic is tuned for world-class shift-response times. Smaller steps between gears keep the LT4 within the sweet spot of the rpm band, making the most of the output of the supercharged engine for exhilarating performance and greater efficiency. "There's no trade-off in drivability with the new 8L90 eight-speed automatic transmission – it was designed to deliver performance on par with dual-clutch designs, but without sacrificing refinement," said Bill Goodrich, assistant chief engineer for eight-speed automatic transmissions. "It is also the highest-capacity automatic transmission ever offered in a Chevrolet car." Featuring four gearsets and five clutches, creative packaging enables the GM-developed eight-speed automatic to fit the same space as the six-speed automatic used in the Corvette Stingray. Extensive use of aluminum and magnesium make it more than eight pounds (4 kg) lighter than the six-speed. Along with design features that reduce friction, the 8L90 is expected to contribute up to 5-percent greater efficiency, when compared with a six-speed automatic. Track-proven technologiesThe 2015 Corvette Z06 Coupe and Convertible leverage the technologies introduced on the Corvette Stingray, with unique features and calibrations tailored for its capabilities. "Our mission with the seventh-generation Corvette was to make the performance levels more accessible, enabling drivers to exploit every pound-foot of torque, every 'g' of grip and every pound of downforce," said Juechter. "It's a philosophy we introduced with the 460-horsepower Corvette Stingray – and one that's even more relevant with an estimated 625 horsepower at your beck and call." The new Z06 retains the SLA-type front and rear suspension design of the Corvette Stingray but uniquely calibrated for the higher performance threshold. The third-generation Magnetic Selective Ride Control dampers, adjustable for touring comfort or maximum track performance via the standard Driver Mode Selector, are standard on Z06. Like the Stingray, the Driver Mode Selector tailors up to a dozen features of the Z06 to suit the driver's environment, including: • Launch control: Available in Track mode for manual and automatic transmissions, providing maximum off-the-line acceleration• Traction control: Weather mode tailors traction control and engine torque for driving in inclement conditions • Performance Traction Management: Available in Track mode and offers five settings of torque reduction and brake intervention for track driving• Electronic Limited Slip Differential: Adjusts the rate at which the limited slip engages, balancing steering response and stability in different driving conditions with more aggressive performance in Sport and Track modes. The smart electronic limited-slip differential, or eLSD, is standard. It features a hydraulically actuated clutch capable of infinitely varying clutch engagement. The system enhances all aspects of performance by constantly tailoring the clutch-pack engagement based on a unique algorithm that factors in vehicle speed, steering input and throttle position to improve steering feel, handling balance and traction.
  3. Take everything that love about the Corvette Z06 and ZR1, mash them up, and put it into the C7. What do you end up with? Most likely the 2015 Chevrolet Corvette Z06 which premiered at the Detroit Auto Show today. The 2015 Z06 is much more aggressive than the model it replaces. Compared to the standard Corvette Stingray, the Z06 2.2-inches wider up front and 3.15-inches wider in the back to make room for bigger tires and brakes. Chevrolet moved such items such as hood vents and rear taillights to keep the Z06 proportioned nicely. There are also flared out fenders, larger vents, and a new inlet design on the rear fenders to get cool air to the transmission and differential coolers. The Z06 will be available with three different downforce packages. Standard will be a front splitter, spats around the front wheel openings, carbon-fiber hood with larger vents, and a rear spoiler. Optional is a carbon-fiber aero package that adds a front splitter with aviation-style winglets, rocker panels, and a larger rear spoiler with a fixed wickerbill (a small, vertical tab on the spoiler to increase downforce) Finally, there is the Z07 package that adds larger winglets to the front splitter and a adjustable, see-through center section on the rear spoiler for track use Under the hood of the 2015 Z06 is a variation of the LT1 called the LT4. The LT4 is a supercharged 6.2L V8 engine that produces "at least" 625 horsepower and 635 pound-feet of torque. This is thanks to a new 1.7-liter Eaton supercharger and intercooler that can spin at up to 20,000 rpm. The LT4 is also fitted with Chevrolet's Active Fuel Management, as well as direct injection and variable valve timing to keep fuel economy in check. Two transmissions on offer for the Z06. First is a seven-speed manual fitted with a new dual-mass flywheel and dual-disc clutch. The other is a new eight-speed automatic which Chevrolet claims "wide-open-throttle upshifts executed up to eight-hundredths of a second quicker than the dual-clutch in the Porsche 911." Paddle-shift for the automatic will be standard. Other mechanical bits on the Z06 include six-pot Brembo brakes, a revised suspension with Magnetic Ride Control, and electronic limited-slip differential. If you opt for the Z07 package, the standard brakes morph into larger Brembo carbon-ceramic brakes and a set of Pilot Sport Cup tires. Inside, the Z06 gets such niceties as a flat-bottom steering wheel, a choice of GT and Competition Sport seats, and Napa leather, aluminum, carbon fiber and micro-suede lining the interior. The Z06 will also feature a removable roof panel for the first time. This is thanks to a new aluminum frame that is 60 percent stiffer than the ZR1 when the panel is on and 20 percent stiffer when its off. The 2015 Chevrolet Corvette Z06 goes on sale early next year. Source: Chevrolet William Maley is a staff writer for Cheers & Gears. He can be reached at william.maley@cheersandgears.comor you can follow him on twitter at @realmudmonster. Press Release is on Page 2 2015 Chevrolet Corvette Z06 is Most Capable, Ever Enters supercar territory with race-proven design, advanced technologies and world-class performance With the track-focused Z07 performance package, the 2015 Corvette Z06 delivers faster lap times than the 2014 Corvette ZR1 The first Corvette Z06 to offer a supercharged engine, a removable roof panel, and an available paddle-shift automatic transmission DETROIT – Chevrolet today introduced the most track-capable Corvette in the brand's history – the 2015 Corvette Z06. It elevates the performance envelope for Corvette with unprecedented levels of aerodynamic downforce, at least 625 horsepower from an all-new supercharged engine, and an all-new, high-performance eight-speed automatic transmission – all building on the advanced driver technologies introduced on the Corvette Stingray. "The new Z06 delivers levels of performance, technology and design that rival the most exotic supercars in the world," said Mark Reuss, president, General Motors North America. "And the Z06 leverages the engineering expertise of GM, offering the choice of two world-class transmissions, supercar performance without supercar fuel consumption, and technologies that make it easier to fully enjoy the incredible experience of driving it." The 2015 model is the first Corvette Z06 to offer a supercharged engine, an automatic transmission and, thanks to a stronger aluminum frame, a removable roof panel. The new, supercharged 6.2L engine is expected to deliver at least 625 horsepower (466 kW), and can be matched with either a seven-speed manual or an all-new, high-performance eight-speed automatic transmission with paddle shifters for manual control. The aluminum frame carries over from the Corvette Stingray and will also be used essentially unchanged for the Corvette Racing C7.R. A track-focused Z07 Performance Package adds unique components for true aerodynamic downforce, Michelin Pilot Super Sport Cup tires for enhanced grip, and Brembo carbon ceramic-matrix brake rotors that improve braking performance and contribute to greater handling through reduced unsprung weight. Although development testing is ongoing, the Z07 package has already recorded some of the fastest lap times ever for a Corvette, surpassing even the ZR1. "The Corvette Z06 is a great example of the technology transfer between racing and production Corvettes," said Tadge Juechter, Corvette chief engineer. "First, we took what we learned on the Corvette Racing C6.R and applied that to the all-new Corvette Stingray. Then, using the Stingray as a foundation, the Z06 and C7.R were developed to push the envelope of performance on the street and the track." Supercharged, efficient performance The heart of the 2015 Corvette Z06 is the all-new LT4 6.2L supercharged V-8 engine, expected to deliver an estimated 625 horsepower (466 kW) and 635 lb.-ft. of torque (861 Nm). To balance performance and efficiency, the LT4 leverages the same trio of advanced technologies introduced on the Corvette Stingray: Direct injection, Active Fuel Management (cylinder deactivation) and continuously variable valve timing. These technologies – combined with the fuel-efficient multi-speed transmissions, aerodynamic design and lightweight construction – help make the new Z06 surprisingly fuel-efficient. "The supercharged LT4 engine delivers the greatest balance of performance and efficiency ever in the Corvette," said John Rydzewski, assistant chief engineer for Small-Block engines. "It is one of the world's only supercharged engines to incorporate cylinder deactivation technology, enabling it to cruise efficiently on the highway with reduced fuel consumption, but offer more than 600 horsepower whenever the driver calls up its tremendous power reserve." To maintain the Z06's mass and performance targets, the LT4 engine was designed with a more-efficient, more-compact next-generation supercharger. Even with its integrated supercharger/intercooler assembly mounted in the valley between the cylinder heads, the engine is only about 1 inch (25 mm) taller than the Corvette Stingray's LT1 engine – while delivering nearly 37 percent more horsepower and 40 percent more torque. The new 1.7L Eaton R1740 TVS supercharger spins at up to 20,000 rpm – 5,000 rpm more than the supercharger on the Corvette ZR1's LS9. The rotors are shorter in length, too, which contributes to their higher-rpm capability – and enables them to get up to speed quicker, producing power-enhancing boost earlier in the rpm band. That boost is achieved more efficiently, thanks to a new, more direct discharge port that creates less turbulence, reducing heat and speeding airflow into the engine. The LT4 engine also has several unique features designed to support its higher output and the greater cylinder pressures created by forced induction, including: Rotocast A356T6 aluminum cylinder heads that are stronger and handle heat better than conventional heads Lightweight titanium intake valves and machined connecting rods for reduced reciprocating mass High 10.0:1 compression ratio – for a forced-induction engine – enhances performance and efficiency; enabled by direct injection Forged aluminum pistons with unique, stronger structure to ensure strength under high cylinder pressures Stainless steel exhaust headers and aluminum balancer that are lighter than their LT1 counterparts Standard dry-sump oiling system with larger cooler capacity than Z51; used with dual-pressure-control oil pump. The LT4 will be built in Tonawanda, N.Y., and Bowling Green, Ky., at the new Performance Build Center. Eight speeds, no waiting The supercharged LT4 is offered with a standard seven-speed manual transmission with Active Rev Match, or an all-new 8L90 eight-speed paddle-shift automatic transmission designed to enhance both performance and efficiency. "Unlike most ultra-performance cars, the Corvette Z06 offers customers the choice between two transmissions to suit their driving styles," said Juechter. "The seven-speed gives the driver the control of a true three-pedal manual transmission with perfect shifts enabled by Active Rev Matching. The new eight-speed automatic offers drivers the comfort and drivability of a true automatic transmission, as well as lightning-fast shifts and manual control for track driving." The seven-speed manual incorporates rev-matching technology for upshifts and downshifts. This driver-selectable feature can be easily engaged or disengaged via paddles on the steering wheel. The seven-speed is used with a new dual-mass flywheel and dual-disc clutch, which deliver greater shift quality and feel through lower inertia. The eight-speed automatic is tuned for world-class shift-response times, and smaller steps between gears keep the LT4 within the sweet spot of the rpm band, optimizing the output of the supercharged engine for exhilarating performance and greater efficiency. For performance driving, the transmission offers full manual control via steering wheel paddles, and unique algorithms to deliver shift performance that rivals the dual-clutch/semi-automatic transmissions found in many supercars – but with the smoothness and refinement that comes with a conventional automatic fitted with a torque converter. In fact, the 8L90's controller analyzes and executes commands 160 times per second, and wide-open-throttle upshifts are executed up to eight-hundredths of a second quicker than those of the dual-clutch transmission offered in the Porsche 911. "There's no trade-off in drivability with the new 8L90 eight-speed automatic transmission – it was designed to deliver performance on par with dual-clutch designs, but without sacrificing refinement," said Bill Goodrich, assistant chief engineer for eight-speed automatic transmissions. "It is also the highest-capacity automatic transmission ever offered in a Chevrolet car." Featuring four gearsets and five clutches, creative packaging enables the GM-developed eight speed automatic to fit the same space as the six-speed automatic used in the Corvette Stingray. Extensive use of aluminum and even magnesium make it more than eight pounds (4 kg) lighter than the six-speed, as well. Along with design features that reduce friction, the 8L90 is expected to contribute up to five-percent greater efficiency, when compared with a six-speed automatic. The eight-speed automatic will be built at GM's Toledo, Ohio, transmission facility. Designed for downforce The performance targets of the Z06 also posed a challenge for the design team, who had to create a striking design that also contributed to increased capabilities. "Virtually every exterior change served a functional purpose, as this beast needed more of everything," said Tom Peters, Corvette design director, "The flared fenders accommodate larger, wider wheels and tires for more grip. The larger vents provide more cooling air to the engine, brakes, transmission and differential for increased track capability. The more aggressive aerodynamic package generates true downforce for more cornering grip and high-speed stability." Indeed, the design changes began not with the exterior panels, but the tires. To deliver the levels of grip needed for the Z06's performance targets, the Z06 was fitted with larger Michelin tires (Pilot Sport tires for the Z06; Sport Cup tires with the Z07 package). The P285/30ZR19 front tires are 1.5 inches wider than the tires on the Stingray, while the 335/25ZR20 rear tires are two inches wider. To cover the wider tire tread, the fenders of the Z06 were extended by 2.2 inches (56 mm) at the front, and 3.15 inches (80 mm) at the rear. These extensions give the Corvette Z06 a wider, lower appearance that is further emphasized by a unique rear fascia. It incorporates the same taillamp assemblies as the Stingray, but on the Z06 the taillamps are pushed approximately three inches farther apart, toward to edges of the body. The tires are mounted on lightweight, spin-cast aluminum wheels that are also wider than the Stingray (19 x 10 inches in front and 20 x 12 inches in the rear). Their open, ultralight design showcases the massive Brembo brakes, which are part of the design aesthetic: The Z06 features two-piece steel rotors, measuring 14.6 x 1.3-inch (371 x 33 mm) front and 14.4 x 1-inch (365 x 25 mm) rear, with aluminum six-piston and four-piston fixed calipers, respectively The Z07 package adds larger, 15.5 x 1.4-inch (394 x 36 mm) front and 15.3 x 1.3-inch (388 x 33 mm) carbon ceramic-matrix brake rotors for consistent performance lap after lap, and collectively save 23 pounds over the standard Z06 rotors. To harness the cornering and braking grip afforded by the larger tires and brakes, the exterior of the Corvette Z06 has also been tailored to produce aerodynamic downforce that presses the tires to the ground at high speeds. The Z06 will offer three, increasing levels of aerodynamic downforce: The standard Z06 features a front splitter, spats around the front wheel openings, a unique carbon-fiber hood with a larger vent, and the rear spoiler from the Corvette Stingray's Z51 Performance Package An available carbon-fiber aero package (in either black or a visible carbon-fiber finish) adds a carbon fiber front splitter with aviation-style winglets, carbon fiber rocker panels, and a larger rear spoiler with a fixed wickerbill – a small, vertical tab at the edge of the spoiler that significantly increases downforce The available Z07 package adds a larger winglets to the front splitter, along with an adjustable, see-through center section on the rear spoiler for track use; with this package, the Corvette Z06 delivers the most amount of aerodynamic downforce of any production car that GM has tested. The exterior design also reflects the increased cooling required for the new Corvette Z06. For example, the mesh pattern on the front fascia was painstakingly designed to deliver the most possible airflow to the supercharger's intercooler heat exchanger. In fact, the mesh grill directs more air into the engine bay than with the grille completely removed. The unique grille also features dedicated brake-cooling intakes and wider grille outlets on the bottom serve as air diffusers. The grille is complemented with a larger hood vent, which not only vents hot air from the engine compartment, but contributes to downforce by allowing air driven through the grille to exit through the hood rather than being forced under the car, which could create lift. Additional cooling elements include larger front fender vents and unique air blades over the inlets on the rear fenders, which force about 50 percent more air into the cooling ducts for the transmission and differential coolers than those on the Stingray. To cope with the additional airflow, the Z06 has also has larger rear-fascia openings than the Stingray. Standard front and rear brake-cooling ducts, including Z06-signature rear ducts integrated in front of the rear fender openings, are also part of the functional design changes. Inside, the Corvette Z06 is distinguished from the Corvette Stingray by unique color schemes that emphasize the driver-focused cockpit, and a unique, flat-bottomed steering wheel. Like the Stingray, the Z06 will be offered with two seating choices: a GT seat, for all-around comfort, and a Competition Sport seat with more aggressive side bolstering, which provides greater support on the track. The frame structure for both seats is made of magnesium, for greater strength and less weight than comparable steel frames. They're also more rigid, contributing to the enhanced feeling of support during performance driving. The Z06 also benefits from interior details designed for high-performance driving, first introduced on the Stingray, including a steel-reinforced grab bar on the center console for the passenger and soft-touch materials on the edge of the console, where the driver naturally braces during high-load cornering. The performance-supporting elements inside the new Corvette Z06 are complemented by unprecedented attention to detail and build quality. All models feature a fully-wrapped interior, where every surface is covered with premium, soft-touch materials. Available materials, depending on the trim level, include Napa leather, aluminum, carbon fiber and micro-suede. Track-proven technologies The 2015 Corvette Z06 leverages the technologies introduced on the Corvette Stingray, including the strategic use of lightweight materials and advanced driver technologies, with unique features and calibrations tailored for its capabilities. "Our mission with the seventh-generation Corvette was to make the performance levels more accessible, enabling drivers exploit every pound-foot of torque, every "g" of grip and every pound of downforce," said Juechter. "It's a philosophy we introduced with the 460-horsepower Corvette Stingray – and one that's even more relevant with an estimated 625 horsepower at your beck and call." For the first time ever, the Corvette Z06's aluminum frame will be produced in-house at the Bowling Green, Ky., assembly plant. It's the same robust, lightweight frame used on the Corvette Stingray and it will also be used essentially unchanged for the C7.R racecars. The stiffer design of the aluminum frame allows the Corvette Z06 to be offered with a removable roof panel for the first time. In fact, with the lightweight, carbon fiber roof panel removed, the new Corvette Z06 offers 20 percent more structural rigidity than the previous model's fixed-roof design – and a 60-percent increase in stiffness with the roof panel installed. The new Z06 retains the SLA-type front and rear suspension design of the Corvette Stingray, including, but uniquely calibrated for the higher performance threshold. The third-generation Magnetic Selective Ride Control dampers are standard on Z06, and can be adjusted for touring comfort or maximum track performance via the standard Driver Mode Selector. Like on the Stingray, the Driver Mode Selector tailors up to a dozen features of the Z06 to suit the driver's environment, including: Launch control: Available in Track mode for manual and automatic transmissions, providing maximum off-the-line acceleration Active handling (StabiliTrak stability control): A "competitive" setting is available in Track mode and is more suited for on-track conditions. It can also be disabled, giving the driver complete control Traction control: Weather mode tailors traction control and engine torque for driving in inclement conditions Performance Traction Management: Available in Track mode and offers five settings of torque reduction and brake intervention for track driving Electronic Limited Slip Differential: Adjusts the rate at which the limited slip engages, to balance between steering response and stability in different driving conditions; more aggressive performance in Sport and Track modes. The smart electronic limited-slip differential (eLSD) is standard on the Z06, to make the most of the torque split between the rear wheels. The system features a hydraulically actuated clutch that can infinitely vary clutch engagement and can respond from open to full engagement in tenths of a second. It shifts torque-based on a unique algorithm that factors in vehicle speed, steering input and throttle position to improve steering feel, handling balance and traction. The eLSD is fully integrated with Electronic Stability Control and Performance Traction Management systems. Its calibrations vary among three modes, based on the Drive Mode Selector setting: Mode 1 is the default setting for normal driving and emphasizes vehicle stability Mode 2 is engaged when electronic stability control is turned off in the Sport or Track modes. This calibration enables more nimble turn-in and traction while accelerating out of a corner Mode 3 is automatically selected when Performance Traction Management is engaged. This calibration has the same function as Mode 2, but is fine-tuned to work with Performance Traction Management. The new Corvette Z06 will be available in early 2015. Performance data and pricing will be announced closer to the start of production.
  4. William Maley Staff Writer - CheersandGears.com December 9, 2013 Just a couple days after Chevrolet announced that 2015 Corvette Z06 will debut at the Detroit Auto Show, the fine folks at Automobile Magazine got their hands on some new spy shots of a Z06 mule undergoing some testing. Now the pictures reveal some information that we have known about since Chevrolet showed off a teaser shot such as the enlarged brakes, the unique black multispoke wheels, and air vents on the fenders to keep the brakes cool. One item that is very notable is a raised hood, possibly bulge or scoop. A source tells Automobile that the Z06 could be packing a supercharged version of the Stingray's 6.2L V8, hence the raised hood. Called LT4, this new engine could pack between 600 to 650 horsepower. Now there are two other engines in the running as well. Previous rumors have said the Z06 will use an updated version of the 7.0L V8 or a turbocharged V8 of some kind. The front end features some changes as well, mostly for improved cooling and aero. Source: Automobile Magazine William Maley is a staff writer for Cheers & Gears. He can be reached at william.maley@cheersandgears.com or you can follow him on twitter at @realmudmonster.
  5. William Maley Staff Writer - CheersandGears.com August 30, 2013 With the seventh-generation Chevrolet Corvette making its way to the production line, the rumors are beginning to fly on the model in the hopper, the Z06. Car and Driver got their hands on some information and it looks like General Motors wants to one up the Z06, literally. To start, the next-generation Z06 will be called the Z07. This makes sense as the Corvette is entering its seventh-generation. Or maybe not. Power will come from a small-block V8, but not a large displacement one. Instead, C&D reports that the V8 likely use a single or twin-turbochargers producing around 600+ horsepower. Their reasoning? The recent Cadillac Elmiraj concept which has a 4.5L twin-turbo V8 with 500 horsepower. A seven-speed manual is likely the transmission. Other items on tap include Brembo-sourced carbon-ceramic disc brakes and a set of sticker tires from Michelin. Source: Car and Driver William Maley is a staff writer for Cheers & Gears. He can be reached at william.maley@cheersandgears.com or you can follow him on twitter at @realmudmonster.
  6. By William Maley Staff Writer - CheersandGears.com February 19, 2013 With the introduction of the new Corvette Stingray, everyone is wondering what will be in store for the Z06 and ZR1. Motor Trend has some early indications of what to expect. The Z06 will stick naturally aspirated 7.0L engine with the power output possibly reaching 600 horsepower. The power output for Z06 will not be made till they get the final power output for the ZR1. If the ZR1 produces 700 HP, then the Z06 will have 600 HP. If the ZR1 produces somewhat less than 700 HP, expect the Z06 to be somewhere in the mid 500s. The ZR1 will use a variation of the Stingray's LT1 V8 with a supercharger. Source: Motor Trend William Maley is a staff writer for Cheers & Gears. He can be reached at william.maley@cheersandgears.com or you can follow him on twitter at @realmudmonster.
  7. If you have a Chevrolet Corvette Stingray sitting in your garage and wished it had some of performance found on the hot Corvette Z06, then we have some good news for you. This week at the SEMA show, Chevrolet announced a new series of performance parts derived from the Z06. The parts include new brakes, chassis components, cooling components, and suspension. They can be added to any Corvette Stingray, even those without the Z51 Performance Package. "No one has spent more time developing Corvette performance parts than Chevrolet and this new range of components is the result of countless hours of testing that aftermarket companies can't match. You can mix and match the parts to build your own ultimate Stingray track car – all with factory-engineered components customers can trust will fit and perform as expected," said Mark Dickens, director, Performance Variants, Parts and Motorsports. Source: Chevrolet Press Release is on Page 2 New Z06 Parts Enhance Corvette Stingray Performance Broad range of chassis, suspension and aero components enhance capability PAHRUMP, Nev. – Chevrolet today and drivers from the Ron Fellows Corvette high-performance driving school at the Spring Mountain track demonstrated Stingray models enhanced with components from a new lineup of Z06-based performance parts. They're designed for 2014+ Stingray models, including Z51-equipped cars. "We've selected specific components from the Corvette Z06 and engineered them to fit the award-winning Stingray," said Jim Campbell, Chevrolet U.S. vice president of Performance Vehicles and Motorsports. "These Z06 parts enhance the handling, braking, cooling and downforce performance of the Stingray." Ron Fellows, champion Corvette Racing driver, collaborated with Chevrolet Performance engineers on the all-new portfolio. Many will be used in cars in the new Michelin Corvette Challenge racing series, which was developed with Fellows and will run a 15-race schedule starting in February 2016. "Here at Spring Mountain, we drive the Corvette Stingray and Z06 at their limits nearly every day, so we're in a unique position to recognize the parts that are most effective," said Ron Fellows. "The effect of the new, Z06-based parts on the Stingray's track capability is dramatic. They take the Stingray's already great stopping and cornering capabilities to yet another exciting level of stability and precision." Most of the Z06 parts are offered as direct replacements for the Stingray's original parts. "No one has spent more time developing Corvette performance parts than Chevrolet and this new range of components is the result of countless hours of testing that aftermarket companies can't match," said Mark Dickens, director, Performance Variants, Parts and Motorsports. "You can mix and match the parts to build your own ultimate Stingray track car – all with factory-engineered components customers can trust will fit and perform as expected." The new performance parts portfolio includes: Corvette Z06 Level 3 Aero Package This kit is an upgrade for Level 2-equipped Corvette Z06 models and adds elements from the Z07 Performance Package, including larger end plates to the front splitter, as well as an adjustable, transparent wickerbill on the rear spoiler. Corvette Z06 600-Watt Radiator Fan Developed to meet the Z06's cooling requirements, this powerful, 600-watt radiator cooling fan increases the fan speed over the Stingray's 500-Watt system for greater airflow and enhanced cooling capability. It is a direct replacement for the standard Corvette Stingray cooling fan. Corvette Secondary Radiator Kit This kit adds cooling capability to manual transmission Corvettes (base Stingray, Z51 and Z06). The engine coolant temperatures are lowered 25 degrees F along with lowering engine oil temperatures 15 degrees F. The addition of the Z06 grille further enhances the cooling performance of this kit. Corvette Z06 Grille Kit The Z06 front grille was designed to provide maximum airflow to the radiator, intercooler and brake cooling ducts for the 650-hp supercar, resulting in a 17-percent increase in front-end airflow, compared to the grille of the Corvette Stingray Z51. It's a direct replacement for the Stingray grille insert. Additionally, the inlet ramps to the brake cooling ducts were optimized to balance the airflow demands of brake cooling and engine cooling. Corvette Z06 Quarter Panel Vents They offer larger openings than the Corvette Stingray, for increased airflow to the transmission oil cooler and differential cooler – an approximately 25-percent improvement over the airflow of the Z51 at speed, to help maintain cooling performance. Corvette Z06 Rear Transmission Oil Cooler The larger Z06 rear transmission oil cooler fits in the same location as the base Stingray and Z51 cooler and adds extra cooling capacity. It works best when paired with the Z06 Quarter Panel Vents to maximize airflow through the cooler. Corvette Z06 Carbon Fiber Torque Tube and Prop Shaft Kit The lightweight Z06 Carbon Fiber Torque Tube assembly saves almost 15.5 pounds (7 Kg) compared to the Stingray's steel-intensive torque tube. The kit also includes higher-temperature rubber couplers in the prop shaft. Applications vary by transmission and model year. The torque tube is also available separately. Corvette Stingray Heat Shield This larger heat shield helps protect the prop shaft from higher temperatures. It is only required for 2014 Corvette Stingray models. It is included on 2015+ models. Corvette Z06 Prop Shaft Assembly with High-Temp Couplers The Corvette Z06's internal prop shaft includes rubber couplers designed for higher temperatures and a larger heat shield. These couplers are included with the Corvette Z06 Carbon Fiber Torque Tube and Prop Shaft Kit. Corvette Z06 Carbon Fiber Underbody Braces* These carbon fiber underbody braces are 17 percent lighter than the aluminum braces on the Corvette Stingray, while also offering an improvement in overall torsional stiffness. They are a direct replacement for the standard braces. Corvette Z06 Brake Kits (Iron Rotors) for Stingray with Z51* Designed for Stingray models equipped with the Z51 package, they feature the Z06's standard, two-piece and slotted iron rotors – measuring 14.6-in. x 1.3-in (370mm x 34mm) for the front rotors and 14.4-in. x 1-in. (365mm x 26mm) for the rear. The front kit uses aluminum monoblock six-piston calipers, while the rear kit features four-piston fixed calipers. The front calipers also feature vented pistons for improved pad and brake fluid cooling. They also offer differentiated piston diameters of 30mm, 34mm and 38mm (leading to trailing), for more even pad pressure for improved pad wear. These brakes will not fit under base Stingray or Z51 wheels. They require a minimum of 4mm wheel clearance between the outboard face of the caliper and the inner wheel spokes. Corvette Stingray Z51 Brake Kit Designed as an upgrade for the standard Stingray, this Z51 brake complete kit – front and rear – features slotted rotors measuring 13.6 inches (345mm) in front and 13.3 inches (338mm) in the rear. This increases the overall diameter in relation to the standard 12.6-in. (321mm) front rotors. Coupled with the new Z06/Z51 Brake Cooling Kit, this system will match the braking performance of the factory Z51 brake system. Corvette Z06/Z51 Front Brake Cooling Kit This kit includes brake ducts and deflectors that channel air from the front grille through the wheel wells to cool the front brakes and expel heat. On a standard Corvette Stingray, it increases airflow by 16 percent, enhancing stopping performance by reducing temperature and the chance for brake fade. For optimal performance, it should be used with the Z51 Brake Package and the Z06 Grille Kit. Corvette Stingray T1 Suspension* This suspension package was developed to improve the on-track handling capabilities of the Corvette Stingray, including Z51-equipped models. It includes more aggressive shocks, stiffer stabilizer bars and new lower control arms with stiffer bushings. It was developed for racing and the aggressive shocks were utilized to maintain eligibility to compete within the rules of most club racing sanctioning bodies. It is currently homologated in SCCA's Touring 1 class. Corvette Stingray Track Day concept Chevrolet is showcasing the new parts portfolio on the Z51-based Stingray Track Day concept vehicle, which is on display this week at the SEMA Show, in Las Vegas. In addition to the new performance parts, the Gloss Black concept includes a unique air extractor hood with red accents on hood vent grille, mirrors and rear spoiler. Additional visual distinction comes from Carbon Flash vents and rocker extensions, along with a carbon fiber roof panel, front fascia extension and door inserts. It also features edge-lit LED turn signals. Inside, the black cabin is outfitted with the Competition Sport seats that are optional on the Stingray, along with suede inserts on the shifter and steering wheel. A rear crossbar was added for mounting a five-point harness, while the available Performance Data Recorder captures the car's performance. Performance is driven by the standard LT1 6.2L V-8, rated at 460 horsepower and 465 lb-ft of torque with the available exhaust system, and backed by a seven-speed manual transmission with Active Rev Match.
  8. 19 owners of the 2006 - 2014 Chevrolet Corvette Z06 and 427 models have filed a class-action lawsuit against General Motors against an engine issue. The lawsuit says the 7.0L V8 fitted in these models have excessive valve guide wear that leads to engine failures. The suit goes on to say that GM is aware of this problem, but hasn't come up with a solution. According to Law360, General Motors began testing vehicles equipped with the V8 and were able to replicate the problem. The issue is that GM didn't go any further with the tests as it “would lead to more repair and investigations than it wished to perform.” If this suit goes forward, it might lead to lawsuits dealing with the new Corvette Z06 and its engine issues. As The Truth About Cars points out, a number of outlets have had issues with the Z06's engine. Towards the end of last year and early this year, a number of Z06 owners were having their engines fail with under 1,000 miles on the odometer. Gary Gastelu of Fox News in July had his Z06 tester experience engine failure In response, GM asked owners to follow the break-in procedure and change the oil when the vehicle hits 500 miles. [*]Motor Trend in their 'Best Drivers Car' test had the Z06 in DNF due to engine issues. "It didn't work. The damn Z06 retarded spark by 8 degrees, and the 1.7-liter TVS supercharger refused to make boost. No one knows why," wrote Motor Trend’s Jonny Lieberman. General Motors said the problem was bad gas, but this seems somewhat dubious as all of the vehicles - including two other GM products (Cadillac ATS-V and CTS-V) got the same gas. Source: Law360 (Subscription Required), The Truth About Cars
  9. The Corvette has a long history of excelling in endurance racing, and the C7.R looks to continue that. To celebrate the legacy, Chevrolet has announced a special edition Corvette Z06 which brings some of C7.R race car to the road. The 2016 Corvette Z06 C7.R Edition comes in yellow or black and boasts a fair amount of unpainted carbon fiber (including the material on the hood), along with grilles painted in Spectra Gray Metallic. A set of black wheels with Corvette Racing caps come wrapped in Michelin Pilot Super Sport Cup 2 tires. Inside are a set of Competition Sport Seats that are upholstered in Jet Black leather. Suede lines the steering wheel, gearshift, instrument panel, and doors. Being a Z06, the C7.R Edition packs the supercharged V8 producing 650 horsepower found in the standard Z06. You also get the Z07 performance package which boasts carbon-ceramic brakes and adjustable aero elements. Chevrolet plans on building 500 C7.R Edition Corvettes which will go on sale later this year. No word on price. Source: Chevrolet Press Release is on Page 2 BOWLING GREEN, Ky. – Chevrolet today introduced the 2016 Corvette Z06 C7.R Edition – a road-going, track-capable homage to the Corvette Racing C7.R racecars. It’s offered in Corvette Racing’s signature yellow livery – or black – with coordinated exterior and interior accents. Only 500 examples of the C7.R Edition will be built and all will include the Z07 Performance Package with carbon ceramic brakes, as well as a specially serialized vehicle identification number. They go on sale later this year. “Corvette Racing’s legacy and technology were significant influences on the development of the Corvette Z06 and the new C7.R Edition honors the direct link between the racecar and the production model,” said Harlan Charles, Corvette product and marketing manager. “It also advances Chevrolet’s plan to offer special-edition models that offer a unique, personal ownership experiences, which become important parts of Corvette’s legacy.” Here is a complete list of content and unique features for the 2016 Corvette Z06 C7.R Edition: Offered on coupe and convertible models with 3LZ trim Available in Corvette Racing Yellow Tintcoat (new for 2016) or Black exterior colors C7.R Edition graphics package Z07 Performance Package with Brembo carbon ceramic brakes and Michelin PS Cup 2 tires Yellow brake calipers Black wheels with yellow accent strip and Corvette Racing-logo center caps Visible carbon fiber ground effects package New visible carbon fiber hood section Grilles and vents finished in Spectra Gray Metallic Jet Black leather interior with sueded microfiber accents on the instrument panel and doors Sueded microfiber-trimmed Competition Sport Seat, steering wheel and shifter Yellow contrast stitching throughout the interior Carbon fiber interior trim package (high-gloss) Corvette Racing sill plates Numbered C7.R Edition interior plaque showing the build number, starting with VIN 700001 Special indoor car cover with C7.R graphics. The Z07 Performance Package includes Brembo carbon ceramic-matrix brake rotors that improve braking performance and contribute to greater handling through reduced un-sprung weight. The Z07 package also includes adjustable front and rear aero components for unprecedented aerodynamic downforce and Michelin Pilot Super Sport Cup 2 tires for enhanced grip. “The Z07 Performance Package enhances overall performance to make the Corvette Z06 one of the most track-capable cars you can buy off the dealership floor and still drive it to work every day,” said Charles. “Combined with the 650-horsepower supercharged LT4 engine, true aerodynamic downforce and performance technologies such as Magnetic Ride Control, Performance Traction Management and an electronic limited slip differential, the Corvette Z06 C7.R Edition offers capability matched only by an elite fraternity of the world’s supercars and special-edition exclusivity that is sure to make it an instant collector’s item.”
  10. William Maley Staff Writer - CheersandGears.com August 30, 2013 With the seventh-generation Chevrolet Corvette making its way to the production line, the rumors are beginning to fly on the model in the hopper, the Z06. Car and Driver got their hands on some information and it looks like General Motors wants to one up the Z06, literally. To start, the next-generation Z06 will be called the Z07. This makes sense as the Corvette is entering its seventh-generation. Or maybe not. Power will come from a small-block V8, but not a large displacement one. Instead, C&D reports that the V8 likely use a single or twin-turbochargers producing around 600+ horsepower. Their reasoning? The recent Cadillac Elmiraj concept which has a 4.5L twin-turbo V8 with 500 horsepower. A seven-speed manual is likely the transmission. Other items on tap include Brembo-sourced carbon-ceramic disc brakes and a set of sticker tires from Michelin. Source: Car and Driver William Maley is a staff writer for Cheers & Gears. He can be reached at william.maley@cheersandgears.com or you can follow him on twitter at @realmudmonster. View full article
  11. William Maley Staff Writer - CheersandGears.com December 9, 2013 Just a couple days after Chevrolet announced that 2015 Corvette Z06 will debut at the Detroit Auto Show, the fine folks at Automobile Magazine got their hands on some new spy shots of a Z06 mule undergoing some testing. Now the pictures reveal some information that we have known about since Chevrolet showed off a teaser shot such as the enlarged brakes, the unique black multispoke wheels, and air vents on the fenders to keep the brakes cool. One item that is very notable is a raised hood, possibly bulge or scoop. A source tells Automobile that the Z06 could be packing a supercharged version of the Stingray's 6.2L V8, hence the raised hood. Called LT4, this new engine could pack between 600 to 650 horsepower. Now there are two other engines in the running as well. Previous rumors have said the Z06 will use an updated version of the 7.0L V8 or a turbocharged V8 of some kind. The front end features some changes as well, mostly for improved cooling and aero. Source: Automobile Magazine William Maley is a staff writer for Cheers & Gears. He can be reached at william.maley@cheersandgears.com or you can follow him on twitter at @realmudmonster. View full article
  12. Take everything that love about the Corvette Z06 and ZR1, mash them up, and put it into the C7. What do you end up with? Most likely the 2015 Chevrolet Corvette Z06 which premiered at the Detroit Auto Show today. The 2015 Z06 is much more aggressive than the model it replaces. Compared to the standard Corvette Stingray, the Z06 2.2-inches wider up front and 3.15-inches wider in the back to make room for bigger tires and brakes. Chevrolet moved such items such as hood vents and rear taillights to keep the Z06 proportioned nicely. There are also flared out fenders, larger vents, and a new inlet design on the rear fenders to get cool air to the transmission and differential coolers. The Z06 will be available with three different downforce packages. Standard will be a front splitter, spats around the front wheel openings, carbon-fiber hood with larger vents, and a rear spoiler. Optional is a carbon-fiber aero package that adds a front splitter with aviation-style winglets, rocker panels, and a larger rear spoiler with a fixed wickerbill (a small, vertical tab on the spoiler to increase downforce) Finally, there is the Z07 package that adds larger winglets to the front splitter and a adjustable, see-through center section on the rear spoiler for track use Under the hood of the 2015 Z06 is a variation of the LT1 called the LT4. The LT4 is a supercharged 6.2L V8 engine that produces "at least" 625 horsepower and 635 pound-feet of torque. This is thanks to a new 1.7-liter Eaton supercharger and intercooler that can spin at up to 20,000 rpm. The LT4 is also fitted with Chevrolet's Active Fuel Management, as well as direct injection and variable valve timing to keep fuel economy in check. Two transmissions on offer for the Z06. First is a seven-speed manual fitted with a new dual-mass flywheel and dual-disc clutch. The other is a new eight-speed automatic which Chevrolet claims "wide-open-throttle upshifts executed up to eight-hundredths of a second quicker than the dual-clutch in the Porsche 911." Paddle-shift for the automatic will be standard. Other mechanical bits on the Z06 include six-pot Brembo brakes, a revised suspension with Magnetic Ride Control, and electronic limited-slip differential. If you opt for the Z07 package, the standard brakes morph into larger Brembo carbon-ceramic brakes and a set of Pilot Sport Cup tires. Inside, the Z06 gets such niceties as a flat-bottom steering wheel, a choice of GT and Competition Sport seats, and Napa leather, aluminum, carbon fiber and micro-suede lining the interior. The Z06 will also feature a removable roof panel for the first time. This is thanks to a new aluminum frame that is 60 percent stiffer than the ZR1 when the panel is on and 20 percent stiffer when its off. The 2015 Chevrolet Corvette Z06 goes on sale early next year. Source: Chevrolet William Maley is a staff writer for Cheers & Gears. He can be reached at william.maley@cheersandgears.comor you can follow him on twitter at @realmudmonster. Press Release is on Page 2 2015 Chevrolet Corvette Z06 is Most Capable, Ever Enters supercar territory with race-proven design, advanced technologies and world-class performance With the track-focused Z07 performance package, the 2015 Corvette Z06 delivers faster lap times than the 2014 Corvette ZR1 The first Corvette Z06 to offer a supercharged engine, a removable roof panel, and an available paddle-shift automatic transmission DETROIT – Chevrolet today introduced the most track-capable Corvette in the brand's history – the 2015 Corvette Z06. It elevates the performance envelope for Corvette with unprecedented levels of aerodynamic downforce, at least 625 horsepower from an all-new supercharged engine, and an all-new, high-performance eight-speed automatic transmission – all building on the advanced driver technologies introduced on the Corvette Stingray. "The new Z06 delivers levels of performance, technology and design that rival the most exotic supercars in the world," said Mark Reuss, president, General Motors North America. "And the Z06 leverages the engineering expertise of GM, offering the choice of two world-class transmissions, supercar performance without supercar fuel consumption, and technologies that make it easier to fully enjoy the incredible experience of driving it." The 2015 model is the first Corvette Z06 to offer a supercharged engine, an automatic transmission and, thanks to a stronger aluminum frame, a removable roof panel. The new, supercharged 6.2L engine is expected to deliver at least 625 horsepower (466 kW), and can be matched with either a seven-speed manual or an all-new, high-performance eight-speed automatic transmission with paddle shifters for manual control. The aluminum frame carries over from the Corvette Stingray and will also be used essentially unchanged for the Corvette Racing C7.R. A track-focused Z07 Performance Package adds unique components for true aerodynamic downforce, Michelin Pilot Super Sport Cup tires for enhanced grip, and Brembo carbon ceramic-matrix brake rotors that improve braking performance and contribute to greater handling through reduced unsprung weight. Although development testing is ongoing, the Z07 package has already recorded some of the fastest lap times ever for a Corvette, surpassing even the ZR1. "The Corvette Z06 is a great example of the technology transfer between racing and production Corvettes," said Tadge Juechter, Corvette chief engineer. "First, we took what we learned on the Corvette Racing C6.R and applied that to the all-new Corvette Stingray. Then, using the Stingray as a foundation, the Z06 and C7.R were developed to push the envelope of performance on the street and the track." Supercharged, efficient performance The heart of the 2015 Corvette Z06 is the all-new LT4 6.2L supercharged V-8 engine, expected to deliver an estimated 625 horsepower (466 kW) and 635 lb.-ft. of torque (861 Nm). To balance performance and efficiency, the LT4 leverages the same trio of advanced technologies introduced on the Corvette Stingray: Direct injection, Active Fuel Management (cylinder deactivation) and continuously variable valve timing. These technologies – combined with the fuel-efficient multi-speed transmissions, aerodynamic design and lightweight construction – help make the new Z06 surprisingly fuel-efficient. "The supercharged LT4 engine delivers the greatest balance of performance and efficiency ever in the Corvette," said John Rydzewski, assistant chief engineer for Small-Block engines. "It is one of the world's only supercharged engines to incorporate cylinder deactivation technology, enabling it to cruise efficiently on the highway with reduced fuel consumption, but offer more than 600 horsepower whenever the driver calls up its tremendous power reserve." To maintain the Z06's mass and performance targets, the LT4 engine was designed with a more-efficient, more-compact next-generation supercharger. Even with its integrated supercharger/intercooler assembly mounted in the valley between the cylinder heads, the engine is only about 1 inch (25 mm) taller than the Corvette Stingray's LT1 engine – while delivering nearly 37 percent more horsepower and 40 percent more torque. The new 1.7L Eaton R1740 TVS supercharger spins at up to 20,000 rpm – 5,000 rpm more than the supercharger on the Corvette ZR1's LS9. The rotors are shorter in length, too, which contributes to their higher-rpm capability – and enables them to get up to speed quicker, producing power-enhancing boost earlier in the rpm band. That boost is achieved more efficiently, thanks to a new, more direct discharge port that creates less turbulence, reducing heat and speeding airflow into the engine. The LT4 engine also has several unique features designed to support its higher output and the greater cylinder pressures created by forced induction, including: Rotocast A356T6 aluminum cylinder heads that are stronger and handle heat better than conventional heads Lightweight titanium intake valves and machined connecting rods for reduced reciprocating mass High 10.0:1 compression ratio – for a forced-induction engine – enhances performance and efficiency; enabled by direct injection Forged aluminum pistons with unique, stronger structure to ensure strength under high cylinder pressures Stainless steel exhaust headers and aluminum balancer that are lighter than their LT1 counterparts Standard dry-sump oiling system with larger cooler capacity than Z51; used with dual-pressure-control oil pump. The LT4 will be built in Tonawanda, N.Y., and Bowling Green, Ky., at the new Performance Build Center. Eight speeds, no waiting The supercharged LT4 is offered with a standard seven-speed manual transmission with Active Rev Match, or an all-new 8L90 eight-speed paddle-shift automatic transmission designed to enhance both performance and efficiency. "Unlike most ultra-performance cars, the Corvette Z06 offers customers the choice between two transmissions to suit their driving styles," said Juechter. "The seven-speed gives the driver the control of a true three-pedal manual transmission with perfect shifts enabled by Active Rev Matching. The new eight-speed automatic offers drivers the comfort and drivability of a true automatic transmission, as well as lightning-fast shifts and manual control for track driving." The seven-speed manual incorporates rev-matching technology for upshifts and downshifts. This driver-selectable feature can be easily engaged or disengaged via paddles on the steering wheel. The seven-speed is used with a new dual-mass flywheel and dual-disc clutch, which deliver greater shift quality and feel through lower inertia. The eight-speed automatic is tuned for world-class shift-response times, and smaller steps between gears keep the LT4 within the sweet spot of the rpm band, optimizing the output of the supercharged engine for exhilarating performance and greater efficiency. For performance driving, the transmission offers full manual control via steering wheel paddles, and unique algorithms to deliver shift performance that rivals the dual-clutch/semi-automatic transmissions found in many supercars – but with the smoothness and refinement that comes with a conventional automatic fitted with a torque converter. In fact, the 8L90's controller analyzes and executes commands 160 times per second, and wide-open-throttle upshifts are executed up to eight-hundredths of a second quicker than those of the dual-clutch transmission offered in the Porsche 911. "There's no trade-off in drivability with the new 8L90 eight-speed automatic transmission – it was designed to deliver performance on par with dual-clutch designs, but without sacrificing refinement," said Bill Goodrich, assistant chief engineer for eight-speed automatic transmissions. "It is also the highest-capacity automatic transmission ever offered in a Chevrolet car." Featuring four gearsets and five clutches, creative packaging enables the GM-developed eight speed automatic to fit the same space as the six-speed automatic used in the Corvette Stingray. Extensive use of aluminum and even magnesium make it more than eight pounds (4 kg) lighter than the six-speed, as well. Along with design features that reduce friction, the 8L90 is expected to contribute up to five-percent greater efficiency, when compared with a six-speed automatic. The eight-speed automatic will be built at GM's Toledo, Ohio, transmission facility. Designed for downforce The performance targets of the Z06 also posed a challenge for the design team, who had to create a striking design that also contributed to increased capabilities. "Virtually every exterior change served a functional purpose, as this beast needed more of everything," said Tom Peters, Corvette design director, "The flared fenders accommodate larger, wider wheels and tires for more grip. The larger vents provide more cooling air to the engine, brakes, transmission and differential for increased track capability. The more aggressive aerodynamic package generates true downforce for more cornering grip and high-speed stability." Indeed, the design changes began not with the exterior panels, but the tires. To deliver the levels of grip needed for the Z06's performance targets, the Z06 was fitted with larger Michelin tires (Pilot Sport tires for the Z06; Sport Cup tires with the Z07 package). The P285/30ZR19 front tires are 1.5 inches wider than the tires on the Stingray, while the 335/25ZR20 rear tires are two inches wider. To cover the wider tire tread, the fenders of the Z06 were extended by 2.2 inches (56 mm) at the front, and 3.15 inches (80 mm) at the rear. These extensions give the Corvette Z06 a wider, lower appearance that is further emphasized by a unique rear fascia. It incorporates the same taillamp assemblies as the Stingray, but on the Z06 the taillamps are pushed approximately three inches farther apart, toward to edges of the body. The tires are mounted on lightweight, spin-cast aluminum wheels that are also wider than the Stingray (19 x 10 inches in front and 20 x 12 inches in the rear). Their open, ultralight design showcases the massive Brembo brakes, which are part of the design aesthetic: The Z06 features two-piece steel rotors, measuring 14.6 x 1.3-inch (371 x 33 mm) front and 14.4 x 1-inch (365 x 25 mm) rear, with aluminum six-piston and four-piston fixed calipers, respectively The Z07 package adds larger, 15.5 x 1.4-inch (394 x 36 mm) front and 15.3 x 1.3-inch (388 x 33 mm) carbon ceramic-matrix brake rotors for consistent performance lap after lap, and collectively save 23 pounds over the standard Z06 rotors. To harness the cornering and braking grip afforded by the larger tires and brakes, the exterior of the Corvette Z06 has also been tailored to produce aerodynamic downforce that presses the tires to the ground at high speeds. The Z06 will offer three, increasing levels of aerodynamic downforce: The standard Z06 features a front splitter, spats around the front wheel openings, a unique carbon-fiber hood with a larger vent, and the rear spoiler from the Corvette Stingray's Z51 Performance Package An available carbon-fiber aero package (in either black or a visible carbon-fiber finish) adds a carbon fiber front splitter with aviation-style winglets, carbon fiber rocker panels, and a larger rear spoiler with a fixed wickerbill – a small, vertical tab at the edge of the spoiler that significantly increases downforce The available Z07 package adds a larger winglets to the front splitter, along with an adjustable, see-through center section on the rear spoiler for track use; with this package, the Corvette Z06 delivers the most amount of aerodynamic downforce of any production car that GM has tested. The exterior design also reflects the increased cooling required for the new Corvette Z06. For example, the mesh pattern on the front fascia was painstakingly designed to deliver the most possible airflow to the supercharger's intercooler heat exchanger. In fact, the mesh grill directs more air into the engine bay than with the grille completely removed. The unique grille also features dedicated brake-cooling intakes and wider grille outlets on the bottom serve as air diffusers. The grille is complemented with a larger hood vent, which not only vents hot air from the engine compartment, but contributes to downforce by allowing air driven through the grille to exit through the hood rather than being forced under the car, which could create lift. Additional cooling elements include larger front fender vents and unique air blades over the inlets on the rear fenders, which force about 50 percent more air into the cooling ducts for the transmission and differential coolers than those on the Stingray. To cope with the additional airflow, the Z06 has also has larger rear-fascia openings than the Stingray. Standard front and rear brake-cooling ducts, including Z06-signature rear ducts integrated in front of the rear fender openings, are also part of the functional design changes. Inside, the Corvette Z06 is distinguished from the Corvette Stingray by unique color schemes that emphasize the driver-focused cockpit, and a unique, flat-bottomed steering wheel. Like the Stingray, the Z06 will be offered with two seating choices: a GT seat, for all-around comfort, and a Competition Sport seat with more aggressive side bolstering, which provides greater support on the track. The frame structure for both seats is made of magnesium, for greater strength and less weight than comparable steel frames. They're also more rigid, contributing to the enhanced feeling of support during performance driving. The Z06 also benefits from interior details designed for high-performance driving, first introduced on the Stingray, including a steel-reinforced grab bar on the center console for the passenger and soft-touch materials on the edge of the console, where the driver naturally braces during high-load cornering. The performance-supporting elements inside the new Corvette Z06 are complemented by unprecedented attention to detail and build quality. All models feature a fully-wrapped interior, where every surface is covered with premium, soft-touch materials. Available materials, depending on the trim level, include Napa leather, aluminum, carbon fiber and micro-suede. Track-proven technologies The 2015 Corvette Z06 leverages the technologies introduced on the Corvette Stingray, including the strategic use of lightweight materials and advanced driver technologies, with unique features and calibrations tailored for its capabilities. "Our mission with the seventh-generation Corvette was to make the performance levels more accessible, enabling drivers exploit every pound-foot of torque, every "g" of grip and every pound of downforce," said Juechter. "It's a philosophy we introduced with the 460-horsepower Corvette Stingray – and one that's even more relevant with an estimated 625 horsepower at your beck and call." For the first time ever, the Corvette Z06's aluminum frame will be produced in-house at the Bowling Green, Ky., assembly plant. It's the same robust, lightweight frame used on the Corvette Stingray and it will also be used essentially unchanged for the C7.R racecars. The stiffer design of the aluminum frame allows the Corvette Z06 to be offered with a removable roof panel for the first time. In fact, with the lightweight, carbon fiber roof panel removed, the new Corvette Z06 offers 20 percent more structural rigidity than the previous model's fixed-roof design – and a 60-percent increase in stiffness with the roof panel installed. The new Z06 retains the SLA-type front and rear suspension design of the Corvette Stingray, including, but uniquely calibrated for the higher performance threshold. The third-generation Magnetic Selective Ride Control dampers are standard on Z06, and can be adjusted for touring comfort or maximum track performance via the standard Driver Mode Selector. Like on the Stingray, the Driver Mode Selector tailors up to a dozen features of the Z06 to suit the driver's environment, including: Launch control: Available in Track mode for manual and automatic transmissions, providing maximum off-the-line acceleration Active handling (StabiliTrak stability control): A "competitive" setting is available in Track mode and is more suited for on-track conditions. It can also be disabled, giving the driver complete control Traction control: Weather mode tailors traction control and engine torque for driving in inclement conditions Performance Traction Management: Available in Track mode and offers five settings of torque reduction and brake intervention for track driving Electronic Limited Slip Differential: Adjusts the rate at which the limited slip engages, to balance between steering response and stability in different driving conditions; more aggressive performance in Sport and Track modes. The smart electronic limited-slip differential (eLSD) is standard on the Z06, to make the most of the torque split between the rear wheels. The system features a hydraulically actuated clutch that can infinitely vary clutch engagement and can respond from open to full engagement in tenths of a second. It shifts torque-based on a unique algorithm that factors in vehicle speed, steering input and throttle position to improve steering feel, handling balance and traction. The eLSD is fully integrated with Electronic Stability Control and Performance Traction Management systems. Its calibrations vary among three modes, based on the Drive Mode Selector setting: Mode 1 is the default setting for normal driving and emphasizes vehicle stability Mode 2 is engaged when electronic stability control is turned off in the Sport or Track modes. This calibration enables more nimble turn-in and traction while accelerating out of a corner Mode 3 is automatically selected when Performance Traction Management is engaged. This calibration has the same function as Mode 2, but is fine-tuned to work with Performance Traction Management. The new Corvette Z06 will be available in early 2015. Performance data and pricing will be announced closer to the start of production. View full article
  13. By William Maley Staff Writer - CheersandGears.com February 19, 2013 With the introduction of the new Corvette Stingray, everyone is wondering what will be in store for the Z06 and ZR1. Motor Trend has some early indications of what to expect. The Z06 will stick naturally aspirated 7.0L engine with the power output possibly reaching 600 horsepower. The power output for Z06 will not be made till they get the final power output for the ZR1. If the ZR1 produces 700 HP, then the Z06 will have 600 HP. If the ZR1 produces somewhat less than 700 HP, expect the Z06 to be somewhere in the mid 500s. The ZR1 will use a variation of the Stingray's LT1 V8 with a supercharger. Source: Motor Trend William Maley is a staff writer for Cheers & Gears. He can be reached at william.maley@cheersandgears.com or you can follow him on twitter at @realmudmonster. View full article
  14. Earlier this week, we reported that Chevrolet was planning to show off three vehicles for the New York Auto Show; one of those being a new variant of the Corvette. Many of us have been racking our brains trying to figure out what that new model is. Well thanks to someone leaking out photos earlier today, GM has revealed what the model is. Meet the 2015 Corvette Z06 Convertible whose task is to give vehicles such as the Porsche 911 Turbo S Cabriolet a run for their money. So what's different about the Z06 Convertible from the Coupe? The most obvious change is the loss of a hardtop and the introduction of a soft-top and folding mechanism. Now with most convertibles, they tend to weigh a bit more than the coupe thanks to added bracing, structural enhancements, and the top mechanism. The Corvette Z06 Convertible bucks that trend with it weighing the same as the coupe. The secret? Comes down to the ultra-stiff aluminum frame which means there doesn't have to be additional strengthening. "Until recently it was not possible to create a lightweight, open-roof structure strong enough to cope with the braking, cornering, and acceleration of Corvette's top performance models. The frame for the Z06 convertible leverages advancements in computer-aided engineering, metallurgy, and manufacturing techniques – many of which were not available just five years ago," said Tadge Juechter, chief engineer for the Corvette. The supercharged 6.2L V8 engine with 625 horsepower is there, as is the choice of either a seven-speed manual or eight-speed automatic, Brembo Carbon-Ceramic brakes, and Michelin Pilot Super Sport tires. The Corvette Z06 Convertible arrives early next year. Source: Chevrolet Press Release is on Page 2 Drop-top Supercar: 2015 Corvette Z06 Convertible NEW YORK – Chevrolet today introduced one of the most capable drop-tops on the market: the 2015 Corvette Z06 Convertible. With at least 625 horsepower, and 635 pound-feet of torque, the Z06 is also the most powerful convertible ever produced by Chevrolet. "The Z06 Convertible is a world-class supercar in every sense," said Mark Reuss, executive vice president, Global Product Development. "Only a handful of convertibles in the world bring more than 600 horsepower and 600 pound-feet of torque. Even fewer can match the advanced technologies, aerodynamic design, and visceral driving experience of the Z06 Convertible." This is the first Z06 Convertible offered from the factory since 1963 when the Z06 option package was introduced for endurance racing. Records show only 199 Corvette orders with a Z06 package that year, including one convertible. Recent technological advancements enable the building of a modern Z06 Convertible, said Corvette chief engineer Tadge Juechter "Until recently it was not possible to create a lightweight, open-roof structure strong enough to cope with the braking, cornering, and acceleration of Corvette's top performance models," Juechter said. "The frame for the Z06 convertible leverages advancements in computer-aided engineering, metallurgy, and manufacturing techniques – many of which were not available just five years ago." The aluminum structure is 20 percent stiffer than the previous, fixed-roof Z06. As there are no structural reinforcements needed for the Z06 Convertible, its curb weight is nearly identical to the Z06 Coupe. They also share the same chassis tuning, powertrain output, driver technologies and equipment options – including the Z07 Performance Package, which adds Brembo carbon-ceramic matrix brakes, Michelin Pilot Sport Cup tires and adjustable front- and rear-aerodynamic components. "The most impressive aspect of the Z06 Convertible may be its performance bandwidth," said Juechter. "Very few cars on the market can match its combination of extreme, supercar levels of performance; the flexibility for daily driving and long-distance commuting; and the 360-degree, open-air driving experience only true convertibles can offer." All-aluminum, high-tech foundation The Corvette Z06 Convertible represents the culmination of more than four years developing an all-new, all-aluminum structure for the seventh generation Corvette. That structure, built at General Motors' Bowling Green Assembly plant, was designed to the specifications of the Corvette Stingray, Corvette Z06 and the Corvette Racing C7.R. "We wanted a frame that was lighter than the steel frame of the previous Corvette, yet strong enough for both a 600-horsepower convertible and a 24-hour endurance racer," said Ed Moss, engineering group manager for Corvette structures. "That would not have been possible without improvements in computer-aided engineering software, which allowed us to model more than 17,000 frame iterations, with each iteration improving strength and stiffness, while reducing mass." The team used nearly 186,000 computational hours of modeling to develop the frame. It features main rails composed of five customized aluminum segments, including aluminum extrusions at each end, a center main rail section and hollow-cast nodes at the suspension interface points. The gauge of each segment varies in thickness from 2mm to 11mm, tailored – along with the shape – to meet the strength and stiffness requirements for each frame section with minimal weight. These components are assembled using many advanced manufacturing processes, including:• 439 spot-welds using a GM-patented process that uses a unique electrode designed specifically for aluminum • 188 Flowdrill-machined fasteners installed by a high-speed drill that extrudes the frame material to create a strong, integral collar tapped for bolt-on fasteners• 113 feet of structural adhesives used in conjunction with welding and fasteners to increase overall frame stiffness • 37 feet of laser welds, which join frame sections via a precise beam of high energy that minimizes heat beyond the weld area for improved structural accuracy.The only structural differences between the Z06 Coupe and Convertible are provisions for mounting the power-folding top, and repositioned safety-belt mounts. High-performance aerodynamics Like the structure, only minor design changes distinguish the Z06 Coupe from the Convertible. The Z06 convertible features an electronic top that can be lowered remotely using the car's key fob. The top can also open or clos on the go, at speeds of up to 30 mph (50 km/h). With the top up, the Z06 Convertible is designed for a refined driving experience. A thick fabric top, offered in four colors along with sound-absorbing padding and a glass rear window, contributes to a quiet cabin and premium appearance. Behind the seat backs, dual accent panels – either Carbon Flash-painted or available with exposed carbon fiber – enhance the character lines of the tonneau cover. Corvette Stingray's signature "waterfall" design originates in the valley between the nacelles, bringing the exterior color into the interior. The power-operated tonneau cover necessitated moving the air intakes for the differential and transmission coolers from the rear quarter panels on the Z06 Coupe to the underbody of the Z06 Convertible. Otherwise, both models share the same, performance-driven aesthetic. "Practically every exterior panel serves a functional purpose to meet the performance goals of the Z06," said Tom Peters, Corvette design director, "The flared fenders accommodate larger, wider wheels and tires for more grip. The larger vents provide more cooling air to the engine, brakes, transmission and differential for increased track capability. The more aggressive aerodynamic package generates true downforce for more cornering grip and high-speed stability." Both Z06 models are fitted with Michelin tires (Pilot Super Sport tires for the Z06; Sport Cup 2 tires with the Z07 package): P285/30ZR19 front, and 335/25ZR20 rear. The tires are mounted on lightweight, spin-cast aluminum wheels (19 x 10 inches in front and 20 x 12 inches in the rear). Their open, ultralight design showcases the massive Brembo brakes, which contribute to the design:• The Z06 features two-piece steel rotors, measuring 14.6 x 1.3-inch (371 x 33 mm) front and 14.4 x 1-inch (365 x 25 mm) rear, with aluminum six-piston and four-piston fixed calipers, respectively • The Z07 package adds larger, 15.5 x 1.4-inch (394 x 36 mm) front and 15.3 x 1.3-inch (388 x 33 mm) carbon ceramic-matrix brake rotors for consistent performance lap after lap. They collectively save 23 pounds over the standard Z06 rotors. Both Z06 coupe and convertible will be available with one of three, increasing levels of aerodynamic downforce:• The standard Z06 features a front splitter, spats around the front wheel openings, a unique carbon-fiber hood with a larger vent, and rear spoiler • An available carbon-fiber aero package delivers aerodynamic downforce four times greater than the standard Z06. It adds a carbon fiber front splitter with aviation-style winglets, carbon fiber rocker panels, and a larger rear spoiler with a fixed wickerbill – a small, vertical tab at the edge of the spoiler that significantly increases downforce. The package is available in black or a visible carbon-fiber finish• The available Z07 package adds larger winglets to the front splitter, along with an adjustable, see-through center section on the rear spoiler enabling customers to tailor the aerodynamics to their preference. Compared to the Corvette Stingray, the Corvette Z06 fenders are 2.2 inches (56 mm) wider at the front, and 3.15 inches (80 mm) at the rear. Those extensions give the Corvette Z06 a wider, lower appearance further emphasized by a unique rear fascia. It incorporates the same taillamp assemblies as the Stingray, but on the Z06 the taillamps are pushed approximately three inches farther apart, toward to edges of the body. The exterior design also reflects the increased cooling required for the new Corvette Z06. For example, the mesh pattern on the front fascia was designed to deliver the most possible airflow to the supercharger's intercooler heat exchanger, so much that the mesh grill directs more air into the engine bay than if the grille was removed. The unique grille also features dedicated brake-cooling intakes and wider grille outlets on the bottom serve as air diffusers. A larger hood vent allows air driven through the grille to exit through the hood rather than being forced under the car, which could create lift. Standard front and rear brake-cooling ducts, including Z06-signature rear ducts integrated in front of the rear fender openings, are also part of the functional design changes. The Z06 benefits from interior details designed for high-performance driving, first introduced on the Stingray, including a steel-reinforced grab bar on the center console for the passenger and soft-touch materials on the edge of the console, where the driver naturally braces during high-load cornering. Like the Stingray, the Z06 comes with two seating choices: a GT seat, for all-around comfort, and a Competition Sport seat with more aggressive side bolstering, which provides greater support on the track. A magnesium frame structure for both seats provides greater rigidity and strength compared with steel frames. Unprecedented attention to detail and build quality complements the Corvette Z06's performance. All models feature a fully wrapped interior, with every surface covered by premium, soft-touch materials. Available materials, depending on the trim level, include Napa leather, aluminum, carbon fiber and micro-suede. The interior also features a flat-bottom steering wheel with a carbon fiber center spoke. The Z06 comes in five interior colors, including two that are unique to Z06 – blue and dark gray. Supercharged, efficient performance The heart of the 2015 Corvette Z06 is the all-new LT4 6.2L supercharged V-8 engine, expected to deliver at least 625 horsepower (466 kW) and 635 lb-ft of torque (861 Nm). To balance performance and efficiency, the LT4 leverages the same trio of advanced technologies introduced on the Corvette Stingray: Direct injection, Active Fuel Management, or cylinder deactivation, and continuously variable valve timing. These technologies – combined with the fuel-efficient multi-speed transmissions, aerodynamic design and lightweight construction – help make the new Z06 surprisingly fuel efficient. "The supercharged LT4 engine delivers the greatest balance of performance and efficiency ever in the Corvette," said John Rydzewski, assistant chief engineer for Small-Block engines. "It is one of the world's only supercharged engines to incorporate cylinder deactivation technology, enabling it to cruise efficiently on the highway with reduced fuel consumption, but offer more than 600 horsepower whenever the driver calls up its tremendous power reserve." The supercharged LT4 comes with a standard seven-speed manual transmission with Active Rev Match, or an all-new 8L90 eight-speed paddle-shift automatic transmission designed to enhance performance and efficiency. The seven-speed manual incorporates rev-matching technology for upshifts and downshifts. A new dual-mass flywheel and dual-disc clutch deliver greater shift quality and feel through lower inertia. The eight-speed automatic is tuned for world-class shift-response times. Smaller steps between gears keep the LT4 within the sweet spot of the rpm band, making the most of the output of the supercharged engine for exhilarating performance and greater efficiency. "There's no trade-off in drivability with the new 8L90 eight-speed automatic transmission – it was designed to deliver performance on par with dual-clutch designs, but without sacrificing refinement," said Bill Goodrich, assistant chief engineer for eight-speed automatic transmissions. "It is also the highest-capacity automatic transmission ever offered in a Chevrolet car." Featuring four gearsets and five clutches, creative packaging enables the GM-developed eight-speed automatic to fit the same space as the six-speed automatic used in the Corvette Stingray. Extensive use of aluminum and magnesium make it more than eight pounds (4 kg) lighter than the six-speed. Along with design features that reduce friction, the 8L90 is expected to contribute up to 5-percent greater efficiency, when compared with a six-speed automatic. Track-proven technologiesThe 2015 Corvette Z06 Coupe and Convertible leverage the technologies introduced on the Corvette Stingray, with unique features and calibrations tailored for its capabilities. "Our mission with the seventh-generation Corvette was to make the performance levels more accessible, enabling drivers to exploit every pound-foot of torque, every 'g' of grip and every pound of downforce," said Juechter. "It's a philosophy we introduced with the 460-horsepower Corvette Stingray – and one that's even more relevant with an estimated 625 horsepower at your beck and call." The new Z06 retains the SLA-type front and rear suspension design of the Corvette Stingray but uniquely calibrated for the higher performance threshold. The third-generation Magnetic Selective Ride Control dampers, adjustable for touring comfort or maximum track performance via the standard Driver Mode Selector, are standard on Z06. Like the Stingray, the Driver Mode Selector tailors up to a dozen features of the Z06 to suit the driver's environment, including: • Launch control: Available in Track mode for manual and automatic transmissions, providing maximum off-the-line acceleration• Traction control: Weather mode tailors traction control and engine torque for driving in inclement conditions • Performance Traction Management: Available in Track mode and offers five settings of torque reduction and brake intervention for track driving• Electronic Limited Slip Differential: Adjusts the rate at which the limited slip engages, balancing steering response and stability in different driving conditions with more aggressive performance in Sport and Track modes. The smart electronic limited-slip differential, or eLSD, is standard. It features a hydraulically actuated clutch capable of infinitely varying clutch engagement. The system enhances all aspects of performance by constantly tailoring the clutch-pack engagement based on a unique algorithm that factors in vehicle speed, steering input and throttle position to improve steering feel, handling balance and traction. View full article
  15. The Corvette has a long history of excelling in endurance racing, and the C7.R looks to continue that. To celebrate the legacy, Chevrolet has announced a special edition Corvette Z06 which brings some of C7.R race car to the road. The 2016 Corvette Z06 C7.R Edition comes in yellow or black and boasts a fair amount of unpainted carbon fiber (including the material on the hood), along with grilles painted in Spectra Gray Metallic. A set of black wheels with Corvette Racing caps come wrapped in Michelin Pilot Super Sport Cup 2 tires. Inside are a set of Competition Sport Seats that are upholstered in Jet Black leather. Suede lines the steering wheel, gearshift, instrument panel, and doors. Being a Z06, the C7.R Edition packs the supercharged V8 producing 650 horsepower found in the standard Z06. You also get the Z07 performance package which boasts carbon-ceramic brakes and adjustable aero elements. Chevrolet plans on building 500 C7.R Edition Corvettes which will go on sale later this year. No word on price. Source: Chevrolet Press Release is on Page 2 BOWLING GREEN, Ky. – Chevrolet today introduced the 2016 Corvette Z06 C7.R Edition – a road-going, track-capable homage to the Corvette Racing C7.R racecars. It’s offered in Corvette Racing’s signature yellow livery – or black – with coordinated exterior and interior accents. Only 500 examples of the C7.R Edition will be built and all will include the Z07 Performance Package with carbon ceramic brakes, as well as a specially serialized vehicle identification number. They go on sale later this year. “Corvette Racing’s legacy and technology were significant influences on the development of the Corvette Z06 and the new C7.R Edition honors the direct link between the racecar and the production model,” said Harlan Charles, Corvette product and marketing manager. “It also advances Chevrolet’s plan to offer special-edition models that offer a unique, personal ownership experiences, which become important parts of Corvette’s legacy.” Here is a complete list of content and unique features for the 2016 Corvette Z06 C7.R Edition: Offered on coupe and convertible models with 3LZ trim Available in Corvette Racing Yellow Tintcoat (new for 2016) or Black exterior colors C7.R Edition graphics package Z07 Performance Package with Brembo carbon ceramic brakes and Michelin PS Cup 2 tires Yellow brake calipers Black wheels with yellow accent strip and Corvette Racing-logo center caps Visible carbon fiber ground effects package New visible carbon fiber hood section Grilles and vents finished in Spectra Gray Metallic Jet Black leather interior with sueded microfiber accents on the instrument panel and doors Sueded microfiber-trimmed Competition Sport Seat, steering wheel and shifter Yellow contrast stitching throughout the interior Carbon fiber interior trim package (high-gloss) Corvette Racing sill plates Numbered C7.R Edition interior plaque showing the build number, starting with VIN 700001 Special indoor car cover with C7.R graphics. The Z07 Performance Package includes Brembo carbon ceramic-matrix brake rotors that improve braking performance and contribute to greater handling through reduced un-sprung weight. The Z07 package also includes adjustable front and rear aero components for unprecedented aerodynamic downforce and Michelin Pilot Super Sport Cup 2 tires for enhanced grip. “The Z07 Performance Package enhances overall performance to make the Corvette Z06 one of the most track-capable cars you can buy off the dealership floor and still drive it to work every day,” said Charles. “Combined with the 650-horsepower supercharged LT4 engine, true aerodynamic downforce and performance technologies such as Magnetic Ride Control, Performance Traction Management and an electronic limited slip differential, the Corvette Z06 C7.R Edition offers capability matched only by an elite fraternity of the world’s supercars and special-edition exclusivity that is sure to make it an instant collector’s item.” View full article
  16. The Chevrolet Corvette Z06 is a hot car. Both in terms of performance and problems. Motor1 reports that Chevrolet will be introducing improvements for the Z06's cooling in 2017. Tadge Juechter, Corvette executive chief engineer said a small number of Z06 owners were experiencing heatsoak or overheating issues when running their models hard on the track. Juechter said this group was small, but very vocal with this issue. Chevrolet says full details about the changes will be announced later this year, but did say one of the changes will be a new hood with improved cooling vents. Source: Motor1.com View full article
  17. 19 owners of the 2006 - 2014 Chevrolet Corvette Z06 and 427 models have filed a class-action lawsuit against General Motors against an engine issue. The lawsuit says the 7.0L V8 fitted in these models have excessive valve guide wear that leads to engine failures. The suit goes on to say that GM is aware of this problem, but hasn't come up with a solution. According to Law360, General Motors began testing vehicles equipped with the V8 and were able to replicate the problem. The issue is that GM didn't go any further with the tests as it “would lead to more repair and investigations than it wished to perform.” If this suit goes forward, it might lead to lawsuits dealing with the new Corvette Z06 and its engine issues. As The Truth About Cars points out, a number of outlets have had issues with the Z06's engine. Towards the end of last year and early this year, a number of Z06 owners were having their engines fail with under 1,000 miles on the odometer. Gary Gastelu of Fox News in July had his Z06 tester experience engine failure In response, GM asked owners to follow the break-in procedure and change the oil when the vehicle hits 500 miles. [*]Motor Trend in their 'Best Drivers Car' test had the Z06 in DNF due to engine issues. "It didn't work. The damn Z06 retarded spark by 8 degrees, and the 1.7-liter TVS supercharger refused to make boost. No one knows why," wrote Motor Trend’s Jonny Lieberman. General Motors said the problem was bad gas, but this seems somewhat dubious as all of the vehicles - including two other GM products (Cadillac ATS-V and CTS-V) got the same gas. Source: Law360 (Subscription Required), The Truth About Cars View full article
  18. If you have a Chevrolet Corvette Stingray sitting in your garage and wished it had some of performance found on the hot Corvette Z06, then we have some good news for you. This week at the SEMA show, Chevrolet announced a new series of performance parts derived from the Z06. The parts include new brakes, chassis components, cooling components, and suspension. They can be added to any Corvette Stingray, even those without the Z51 Performance Package. "No one has spent more time developing Corvette performance parts than Chevrolet and this new range of components is the result of countless hours of testing that aftermarket companies can't match. You can mix and match the parts to build your own ultimate Stingray track car – all with factory-engineered components customers can trust will fit and perform as expected," said Mark Dickens, director, Performance Variants, Parts and Motorsports. Source: Chevrolet Press Release is on Page 2 New Z06 Parts Enhance Corvette Stingray Performance Broad range of chassis, suspension and aero components enhance capability PAHRUMP, Nev. – Chevrolet today and drivers from the Ron Fellows Corvette high-performance driving school at the Spring Mountain track demonstrated Stingray models enhanced with components from a new lineup of Z06-based performance parts. They're designed for 2014+ Stingray models, including Z51-equipped cars. "We've selected specific components from the Corvette Z06 and engineered them to fit the award-winning Stingray," said Jim Campbell, Chevrolet U.S. vice president of Performance Vehicles and Motorsports. "These Z06 parts enhance the handling, braking, cooling and downforce performance of the Stingray." Ron Fellows, champion Corvette Racing driver, collaborated with Chevrolet Performance engineers on the all-new portfolio. Many will be used in cars in the new Michelin Corvette Challenge racing series, which was developed with Fellows and will run a 15-race schedule starting in February 2016. "Here at Spring Mountain, we drive the Corvette Stingray and Z06 at their limits nearly every day, so we're in a unique position to recognize the parts that are most effective," said Ron Fellows. "The effect of the new, Z06-based parts on the Stingray's track capability is dramatic. They take the Stingray's already great stopping and cornering capabilities to yet another exciting level of stability and precision." Most of the Z06 parts are offered as direct replacements for the Stingray's original parts. "No one has spent more time developing Corvette performance parts than Chevrolet and this new range of components is the result of countless hours of testing that aftermarket companies can't match," said Mark Dickens, director, Performance Variants, Parts and Motorsports. "You can mix and match the parts to build your own ultimate Stingray track car – all with factory-engineered components customers can trust will fit and perform as expected." The new performance parts portfolio includes: Corvette Z06 Level 3 Aero Package This kit is an upgrade for Level 2-equipped Corvette Z06 models and adds elements from the Z07 Performance Package, including larger end plates to the front splitter, as well as an adjustable, transparent wickerbill on the rear spoiler. Corvette Z06 600-Watt Radiator Fan Developed to meet the Z06's cooling requirements, this powerful, 600-watt radiator cooling fan increases the fan speed over the Stingray's 500-Watt system for greater airflow and enhanced cooling capability. It is a direct replacement for the standard Corvette Stingray cooling fan. Corvette Secondary Radiator Kit This kit adds cooling capability to manual transmission Corvettes (base Stingray, Z51 and Z06). The engine coolant temperatures are lowered 25 degrees F along with lowering engine oil temperatures 15 degrees F. The addition of the Z06 grille further enhances the cooling performance of this kit. Corvette Z06 Grille Kit The Z06 front grille was designed to provide maximum airflow to the radiator, intercooler and brake cooling ducts for the 650-hp supercar, resulting in a 17-percent increase in front-end airflow, compared to the grille of the Corvette Stingray Z51. It's a direct replacement for the Stingray grille insert. Additionally, the inlet ramps to the brake cooling ducts were optimized to balance the airflow demands of brake cooling and engine cooling. Corvette Z06 Quarter Panel Vents They offer larger openings than the Corvette Stingray, for increased airflow to the transmission oil cooler and differential cooler – an approximately 25-percent improvement over the airflow of the Z51 at speed, to help maintain cooling performance. Corvette Z06 Rear Transmission Oil Cooler The larger Z06 rear transmission oil cooler fits in the same location as the base Stingray and Z51 cooler and adds extra cooling capacity. It works best when paired with the Z06 Quarter Panel Vents to maximize airflow through the cooler. Corvette Z06 Carbon Fiber Torque Tube and Prop Shaft Kit The lightweight Z06 Carbon Fiber Torque Tube assembly saves almost 15.5 pounds (7 Kg) compared to the Stingray's steel-intensive torque tube. The kit also includes higher-temperature rubber couplers in the prop shaft. Applications vary by transmission and model year. The torque tube is also available separately. Corvette Stingray Heat Shield This larger heat shield helps protect the prop shaft from higher temperatures. It is only required for 2014 Corvette Stingray models. It is included on 2015+ models. Corvette Z06 Prop Shaft Assembly with High-Temp Couplers The Corvette Z06's internal prop shaft includes rubber couplers designed for higher temperatures and a larger heat shield. These couplers are included with the Corvette Z06 Carbon Fiber Torque Tube and Prop Shaft Kit. Corvette Z06 Carbon Fiber Underbody Braces* These carbon fiber underbody braces are 17 percent lighter than the aluminum braces on the Corvette Stingray, while also offering an improvement in overall torsional stiffness. They are a direct replacement for the standard braces. Corvette Z06 Brake Kits (Iron Rotors) for Stingray with Z51* Designed for Stingray models equipped with the Z51 package, they feature the Z06's standard, two-piece and slotted iron rotors – measuring 14.6-in. x 1.3-in (370mm x 34mm) for the front rotors and 14.4-in. x 1-in. (365mm x 26mm) for the rear. The front kit uses aluminum monoblock six-piston calipers, while the rear kit features four-piston fixed calipers. The front calipers also feature vented pistons for improved pad and brake fluid cooling. They also offer differentiated piston diameters of 30mm, 34mm and 38mm (leading to trailing), for more even pad pressure for improved pad wear. These brakes will not fit under base Stingray or Z51 wheels. They require a minimum of 4mm wheel clearance between the outboard face of the caliper and the inner wheel spokes. Corvette Stingray Z51 Brake Kit Designed as an upgrade for the standard Stingray, this Z51 brake complete kit – front and rear – features slotted rotors measuring 13.6 inches (345mm) in front and 13.3 inches (338mm) in the rear. This increases the overall diameter in relation to the standard 12.6-in. (321mm) front rotors. Coupled with the new Z06/Z51 Brake Cooling Kit, this system will match the braking performance of the factory Z51 brake system. Corvette Z06/Z51 Front Brake Cooling Kit This kit includes brake ducts and deflectors that channel air from the front grille through the wheel wells to cool the front brakes and expel heat. On a standard Corvette Stingray, it increases airflow by 16 percent, enhancing stopping performance by reducing temperature and the chance for brake fade. For optimal performance, it should be used with the Z51 Brake Package and the Z06 Grille Kit. Corvette Stingray T1 Suspension* This suspension package was developed to improve the on-track handling capabilities of the Corvette Stingray, including Z51-equipped models. It includes more aggressive shocks, stiffer stabilizer bars and new lower control arms with stiffer bushings. It was developed for racing and the aggressive shocks were utilized to maintain eligibility to compete within the rules of most club racing sanctioning bodies. It is currently homologated in SCCA's Touring 1 class. Corvette Stingray Track Day concept Chevrolet is showcasing the new parts portfolio on the Z51-based Stingray Track Day concept vehicle, which is on display this week at the SEMA Show, in Las Vegas. In addition to the new performance parts, the Gloss Black concept includes a unique air extractor hood with red accents on hood vent grille, mirrors and rear spoiler. Additional visual distinction comes from Carbon Flash vents and rocker extensions, along with a carbon fiber roof panel, front fascia extension and door inserts. It also features edge-lit LED turn signals. Inside, the black cabin is outfitted with the Competition Sport seats that are optional on the Stingray, along with suede inserts on the shifter and steering wheel. A rear crossbar was added for mounting a five-point harness, while the available Performance Data Recorder captures the car's performance. Performance is driven by the standard LT1 6.2L V-8, rated at 460 horsepower and 465 lb-ft of torque with the available exhaust system, and backed by a seven-speed manual transmission with Active Rev Match. View full article
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