Jump to content

Search the Community

Showing results for tags 'V8'.

  • Search By Tags

    Type tags separated by commas.
  • Search By Author

Content Type


Forums

  • News and Views
    • Auto Show Coverage
    • Editorials
    • Industry News
    • Reader Reviews
    • Sales Figure Ticker
    • Staff Reviews
  • Brand Discussion
    • Aston Martin
    • BMW Group
    • Daimler AG
    • Ferrari
    • Fisker
    • Ford Motor Company
    • General Motors
    • Heritage Marques
    • Honda Motor Company
    • Hyundai Motor Group
    • Jaguar-Land Rover
    • Karma
    • Lotus
    • Mazda
    • McLaren Automotive
    • Nissan-Renault Alliance
    • Other Makes
    • Rivian
    • SAAB / NEVS
    • Stellantis
    • Suzuki
    • Tesla
    • Toyota Motor Corporation
    • Volkswagen Automotive Group
    • Volvo
  • Forum Information
    • New Member Check-In
    • Site News & Updates
    • Forum Feedback
    • Newsletters
  • Social Central
    • The Lounge
    • Advertising Archive
    • Auctions and Classifieds
    • Competitions
    • Member Design Showcase
    • Member's Rides Showcase
    • Member Marketplace
    • Merchandise Lookout
    • Motorcycles
    • Random Car Showcase
    • Electronics & Technology
    • Rated R
  • Tech Corner
    • Tech Section
    • Product Questions and Reviews
    • Project Car Chronicles
    • Recalls and TSBs
    • Alternative Fuels & Propulsion
    • Powertrain
  • Design Studio
  • Cadillac Appreciation Club's Cadillac Discussion
  • European Car Lovers's Topics

Categories

  • Auto Shows
    • Detroit Auto Show
    • Consumer Electronics Show (CES)
    • Chicago Auto Show
    • New York Auto Show
    • Geneva Auto Show
    • Beijing Auto Show
    • Shanghai Auto Show
    • Paris Motor Show
    • Frankfurt International Motor Show
    • Los Angeles Auto Show
    • SEMA
    • Tokyo Motor Show
  • Opinion
  • News
    • Acura
    • Alfa Romeo
    • Alternative Fuels
    • Aston Martin
    • Audi
    • Automotive Industry
    • Bentley
    • BMW
    • Buick
    • Cadillac
    • Chevrolet
    • Chrysler
    • Dodge
    • Ducati
    • Ferrari
    • Fiat
    • Fisker
    • Ford
    • Genesis
    • GM News
    • GMC
    • Holden
    • Honda
    • Hyundai
    • Infiniti
    • Jaguar
    • Jeep
    • Karma
    • Kia
    • Lamborghini
    • Land Rover
    • Lexus
    • Lincoln
    • Lotus
    • Maserati
    • Mazda
    • McLaren
    • Mercedes Benz
    • MINI
    • Mitsubishi
    • Nissan
    • Opel/Vauxhall
    • Peugeot
    • Polestar
    • Porsche
    • Ram Trucks
    • Rivian
    • Rolls-Royce
    • Saab / NEVS
    • Sales Figures
    • Scion
    • SMART
    • Subaru
    • Tesla
    • Toyota
    • Volkswagen
    • Volvo
    • Zotye
    • Stellantis
  • Reviews
  • Deal Alert

Categories

  • Tires and Wheel Specials
  • Automotive Maintenance Specials

Product Groups

  • Subscriptions
  • Advertising
  • Vintage Ephemera

Find results in...

Find results that contain...


Date Created

  • Start

    End


Last Updated

  • Start

    End


Filter by number of...

Joined

  • Start

    End


Group


Website URL


Skype


Location


Interests

Found 24 results

  1. It has been awhile since we have heard anything on Cadillac's powertrain plans. But CEO Johan de Nysschen was in a talkative mood about it and Car and Driver was there to catch it. First is a V8 coming the CT6. The V8 will be a 4.2L and feature twin-turbos. This engine isn't based on GM's small-block architecture. The 4.2L displacement is interesting as competitors - mostly Germans - only go up to 4.0L to avoid Chinese taxes on high-displacement engines. Cadillac doesn't expect to sell many CT6s equipped with V8 in China, focusing more on the Plug-In Hybrid version for the market. Power is expected to be “in the upper 400s,” de Nysschen said. Car and Driver speculates this engine will only be available on the Platinum trim. de Nysschen also talked about the luxury brand's plan for diesel engines. We reported last May that Cadillac was working on a new four and six-cylinder diesel engines that were being built with Europe in mind, but there was a chance of them being offered in the U.S. A few months later, the Volkswagen diesel emission crisis broke out. “We pulled that trigger before the current dilemma,” said de Nysschen about the future of Cadillac's diesel plans. “If you have gone that far in a program, you might as well carry it through.” de Nysschen's comments echo commitments made by other automakers. Audi and BMW have said they will stick with diesel, and Land Rover has just introduced a diesel option for the Range Rover and Range Rover Sport. Source: Car and Driver, 2
  2. As the Holden Commodore and its variants ready for their final curtain call, there is the question of what would stand as the brand's hero car. Various GM executives have said the Australian brand would retain a V8 powered vehicle, most likely a sports car. The folks at CarAdvice were able to gleam a tiny bit of information about this new V8 vehicle. When asked if the sports car would compete with the Ford Mustang, Holden's executive director of sales, Peter Keley said it wouldn't. “No [when asked if the V8 sports car will be a Mustang competitor]. We’re not going to say anything specific about the vehicle. We are going to launch a V8 sports car and it will blow your socks off. We can’t talk specifics,” said Keley. 'Blow your socks off". Big words for a vehicle that not much is known about. But Keley's answer has given us one big clue, it will not be a rebadged Camaro or be around the same size. There is talk about the Camaro coming to Australia if there is enough demand for it. We're going to put on our speculation hats for a moment and figure out what Holden has in store. Our guess is that Holden could do a successor to the Monaro coupe. Using the Alpha platform, the model would be slightly longer than the Camaro to have it stand-out from the Mustang. We would expect the 6.2L V8 from the Camaro with 455 horsepower and the choice of either a six-speed manual or eight-speed automatic. We wouldn't be surprised if this coupe arrives in 2018 or sometime after. Source: CarAdvice
  3. Audi is in the process introducing the next-generation V8 that will be used in their models, along with Bentley and Porsche. We've already gotten a glimpse of the diesel version that powers the SQ7 and before too long, we might see the gas version. But Autocar reports that this V8 could be Audi's last. A source tells the British publication that the German automaker is moving a fair amount of their investments over to electric and hybrid vehicle development. This change would likely mean there isn't enough money to develop another V8 engine in the future. “By 2025, the plan of Audi management is to have between 25% and 35% of Audi’s output as battery-electric vehicles," said the source. “It would be very difficult to justify the huge investment in another new V8 because of the cost of developing electric drivetrains and battery packs. You have to ask what is the best use of investment money.” Source: Autocar
  4. Just when you thought it was safe to go back onto the racetrack, Chevrolet has announced the return of the 1LE package for the Camaro. Debuting tomorrow at the Chicago Auto Show, the 2017 Camaro 1LE will be available for the V8 and for the first time, the V6. Let us break down what you get with either engine. LT 1LE The V6 1LE - available on the LT - gets some equipment from the SS 1LE. This includes a new fuel system and the FE3 suspension package with stabilizer bars. Other items for LT 1LE include a mechanical limited slip differential, upgraded cooling system four-piston Brembo brakes for the front, 20-inch lightweight aluminum wheels, and set of Goodyear Eagle F1 tires. A black satin hood and suede interior accents dress up the 1LE. Optional will be a set of Recaro seats and Performance Data Recorder. SS 1LE The SS 1LE comes with the new FE4 suspension package with magnetic ride control, electronic limited slip differential, six-piston Brembo brakes on all four corners, 20-inch wheels, and a Goodyear Eagle F1 Supercar tires specifically developed for this vehicle. Upgraded cooling systems for the V8 engine, transmission, and differential come standard. A set of Recaro bucket seats and a head-up display finish the interior. “The Camaro 1LE packages follow a recipe any track-day enthusiast will appreciate. Start with a lightweight, stiff structure and then add higher levels of suspension stiffness and damping, more aggressive tires, higher downforce, more powerful brakes and more cooling," said Al Oppenheiser, Camaro chief engineer. “The result delivers better performance in all measures. In our development tests, the V-6 Camaro 1LE delivers lap times comparable with the previous-gen V-8 model. The 2016 Camaro SS 1LE sets the new benchmark for the segment, lapping the Big Willow track at Willow Springs three seconds faster than the standard Camaro SS.” Chevrolet says the 1LE package will be available late this year. Pricing will be announced a later time. Source: Chevrolet You can follow our coverage of 2016 Chicago Auto Show News here. Press Release is on Page 2 New 1LE Packages Elevates Camaro Track Capabilities Track package returns with more technology for V8 models, first time offered on V6 CHICAGO – The Chevrolet Camaro 1LE performance package returns for 2017, poised to set new benchmarks for attainable track performance. The package builds off the success of the previous-generation 1LE, offering increased handling and track performance. In response to customer demand, Chevrolet will offer two distinct 1LE packages, for both V6 and V8 models, each visually distinguished with a satin black hood, specific wheels and more. For the first time, the 1LE package will be available on Camaro 1LT or 2LT coupes equipped with the 3.6L V6. Featuring more aggressive suspension tuning, standard Brembo brakes and Goodyear Eagle F1 tires, the LT 1LE delivers an estimated 0.97G in cornering grip. Available Recaro seats will keep you planted through the corners, and an available Performance Data Recorder will allow you to view and share your track experience. The new 1LE package for Camaro 1SS models includes magnetic ride control, with a new FE4 suspension tuning and a new, segment-exclusive electronic limited slip differential (eLSD). Paired with massive Goodyear Eagle F1 tires, lateral acceleration will exceed 1G. Additional features available on the 1LE package include standard Recaro seats and a Performance Data Recorder (PDR), new to the Camaro lineup. As a result, the 1LE package elevates the award-winning performance that earned Camaro the 2016 Motor Trend Car of the Year and Car and Driver 10Best awards. “The Camaro 1LE packages follow a recipe any track-day enthusiast will appreciate,” said Al Oppenheiser, Camaro chief engineer. “Start with a lightweight, stiff structure and then add higher levels of suspension stiffness and damping, more aggressive tires, higher downforce, more powerful brakes and more cooling. “The result delivers better performance in all measures,” said Oppenheiser. “In our development tests, the V-6 Camaro 1LE delivers lap times comparable with the previous-gen V-8 model. The 2016 Camaro SS 1LE sets the new benchmark for the segment, lapping the Big Willow track at Willow Springs three seconds faster than the standard Camaro SS.” The new 1LE packages are available in late 2016, on 2017 Camaro SS and LT V-6 coupes equipped with manual transmissions. Pricing and performance data will be announced at a later date. Camaro LT 1LE The Camaro LT 1LE was developed to be the most track-capable sports coupe in its price class. Highlights include: 3.6L V-6 rated at 335 horsepower and matched with the six-speed manual transmission FE3 suspension components (from the Camaro SS), including dampers, rear cradle mounts, ball-jointed rear toe links and stabilizer bars Lightweight 20-inch forged aluminum wheels with Goodyear Eagle F1 245/40R20 front tires and 275/35R20 rear tires Brembo 4-piston front brake calipers Mechanical Limited-slip differential with 3.27 ratio Standard track-cooling package, with engine oil, differential and transmission coolers Suede steering wheel and shorter-throw shifter Standard dual mode exhaust system Camaro SS fuel system for higher-load cornering capability Satin black hood, front splitter and unique three-piece rear spoiler Unique high flow upper and lower grille with satin black accents Available Recaro seats and PDR video/data recording system. “With a curb weight under 3,500 pounds, excellent front-to-rear weight balance and the precision of the FE3 suspension, the Camaro LT 1LE offers unmatched capability in its class,” said Oppenheiser. “As a result, it offers incredible performance for Camaro V-6 customers.” Camaro SS 1LE The 2017 Camaro SS 1LE introduces the new FE4 suspension to the Gen Six Camaro – a performance-oriented chassis system with specific tuning for the Magnetic Ride dampers, springs and stabilizer bars. Additional highlights include: 6.2L LT1 V-8 rated at 455 horsepower, and six-speed manual transmission (automatic transmission not available) Magnetic Ride Control Segment-exclusive electronic limited-slip differential with 3.73 ratio Unique forged aluminum wheels with 285/30ZR20 front tires and 305/30ZR20 rear tires Goodyear Eagle F1 Supercar tires with a compound and construction developed exclusively for the Camaro – offering exceptional grip on the track Brembo brakes with new six-piston monobloc front red calipers – featuring the 1LE logo – and two-piece rotors. Measuring 14.6 inches (370mm) in diameter, the front rotors are 7 percent larger than Camaro SS Track-cooling package, with engine oil, differential and transmission coolers Suede steering wheel with shorter-throw shifter Dual mode exhaust system Recaro front seats with aggressive bolsters optimized for shifting and steering comfort Satin black hood, front mirrors and unique three-piece rear spoiler Satin Graphite front splitter and rear diffuser Available PDR video/data recording system
  5. The past year saw us report on a new high-performance engine from Chrysler with the codename of Hellcat. This engine is a supercharged 6.2L HEMI V8 producing 600+ horsepower and is reportedly going into the Challenger sometime this year. Well a new rumor has the Hellcat appearing at next week's Detroit Auto Show. Allpar has learned from a few sources that the Hellcat V8 will be shown in a Challenger at the Detroit Auto Show, putting it right in line with previous rumors. The engine will be available with the choice of six-speed manual or eight-speed automatic transmission. Pricing is expected to be somewhere around the $70,000 to $80,000 range. Source: Allpar 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. 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.
  7. By William Maley Staff Writer - CheersandGears.com February 25, 2013 The 2013 Range Rover comes with two different V8 options; a 375 horsepower naturally aspirated 5.0L V8 and 510 horsepower supercharged 5.0L V8 engine. For 2014, Land Rover is changing out the naturally aspirated 5.0L V8 for a 3.0L supercharged V6. The 3.0L supercharged V6 is good for 340 horsepower and 332 pound-feet of torque. All of that power go to the four wheels via an eight-speed automatic transmission. Land Rover says 3.0L improves fuel economy by as much as 15%. The 2014 Range Rover arrives in the summer. Source: Land Rover 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 2014 RANGE ROVER NOW AVAILABLE FOR ORDER WITH A CHOICE OF SUPERCHARGED V6 & V8 ENGINES - Following the sales success of the all-new 2013 Range Rover, the 2014 Range Rover is now available for order, with deliveries beginning this summer - A new 340hp 3-liter supercharged V6 will offer improved efficiency with reduced emissions and uncompromised capability - A 510hp supercharged 5-liter V8 will continue to be available - The 2014 Range Rover will be equipped with a new Intelligent Stop/Start system which reduces idling to reduce emissions and save fuel - Both engines will be paired with an eight-speed ZF 8HP70 - Introduced for 2013, the high-strength all-aluminum Range Rover weighs approximately 700lbs less than the previous generation (MAHWAH, NJ) February 19, 2013 - On the heels of a massively successful launch of the 2013 all-new Range Rover, Land Rover is opening retail orders for the 2014 Range Rover, which will be in showrooms this summer. The upcoming 2014 Range Rover will be available with a new and more efficient 340hp supercharged V6 engine. This new engine choice combines effortless performance and exceptional refinement with enhanced fuel efficiency. The supercharged V6 engine will be offered alongside the 510hp supercharged V8. Both engines will be paired with an eight-speed ZF 8HP70 automatic transmission. The supercharged V6 will replace the naturally aspirated 5-liter V8 in the model line-up. With the new supercharged V6, the 2014 Range Rover will reach 60 mph from rest in just 7.1 seconds*. The supercharged 3-liter 90 degree V6 engine was developed from the existing 5-liter V8. With a peak output of 340hp at 6,500rpm, it offers a strong torque curve throughout the engine speed range, producing maximum torque between 3,500 and 5,000rpm. The new engine has been engineered to support the full breadth of capability expected from a Range Rover, including extreme off-road tilt angles up to 45 degrees, wading depth of nearly 36 inches (900mm) and towing weight up to 7,716 lbs (3,500kg). The engine's accessory drive is waterproofed, as are the alternator, air conditioning compressor, and starter motor. A pressure die-cast oil pan which features a deep profile and oil pick-up is designed to operate at tilt angles of up to 45 degrees fore/aft. The four-cam V6 shares features a lightweight die-cast aluminum block supplemented with cross-bolted main bearing caps for strength. The valves are controlled by a dual independent variable cam timing (DIVCT) system which is activated by the positive and negative torques generated by the movement of the intake and exhaust valves. This variable timing system features actuation rates of more than 150 degrees per second, to optimize power, torque and economy at all engine speeds. Counter-rotating front and rear balancer weights are engineered into this 90 degree V6 to maximize smoothness and refinement. Land Rover's Intelligent Stop/Start system helps enhance fuel efficiency in stop and go driving by reducing engine idling under certain conditions which saves fuel and cuts emissions. Spray-guided direct injection (SGDI) delivers precise quantities of fuel directly into the combustion chambers at pressures of up to 150bar (2175PSI). The fuel is injected in a matter of milliseconds several times during each combustion cycle, creating a more homogenous air-fuel mixture for cleaner and more efficient combustion. A high compression ratio of 10.5:1 further improves fuel efficiency and reduces emissions. The latest-generation Roots-type twin vortex supercharger is mounted in the 'V' of the engine and the charge air utilizes an air/liquid intercooler. A new Bosch engine management system controls all engine functions. When coupled to a high-strength yet lightweight all-aluminum structure this new powertrain further builds on the efficiency gains of the new Range Rover.
  8. Cadillac President Johan de Nysschen is known for slipping out little bits of information. Case in point was earlier today when an analyst in a Facebook group said Cadillac would axing the V8 from most of their models aside from Cadillac CTS-V and Escalade. Johan joined the discussion and went on to correct this by stating that there will be a new V8 engine that will be purpose built for Cadillac. In Johan's words, "There absolutely will be another state -of - the -art mega powerful highly efficient new 8- cylinder from Cadillac, besides the CTS- V engine. Purpose designed for Cadillac....the V8 Cadillac is alive and well today, and will be in even better shape tomorrow." Now, news of a forthcoming Cadillac V8 isn't breaking news. Johan has previously hinted at a twin-turbo V8 coming for the Cadillac CT6, but it was interesting to see Cadillac's President join in a Facebook discussion and give us more description of the engine. I contacted a Cadillac spokesman about the exchange and he pointed out such an engine will appear in "later in the second half of this decade". So look for Cadillac CT6 to gain a V8 in the 2017-2018 time frame. Source: Facebook
  9. William Maley Staff Writer - CheersandGears.com December 21, 2012 The folks at Camaro5.org got their hands on General Motors service document on decoding VIN number on 2014 model year vehicles for dealers and found some interesting information. First is the 2014 Camaro which features a listing of the 7.0L LS7 V8 engine from the current Corvette Z06 (505 horsepower and 470 lb-ft of torque). Speculation has it being for a new Camaro model, the rumored Z28 model. Next, the document references a LF3 engine which is noted as "ENGINE GAS, 6 CYL, 3.6L, SIDI, DOHC, VVT, ALUM, TWIN TURBO". In plain English, it could be the long rumored 3.6L twin-turbo V6. The document doesn't list the 3.6L twin-turbo in any of the models. Other items the document notes is the 2014 Buick Verano looks be dropping its base 2.4L four-cylinder and going towards a 1.6L turbo-four. The 2.0L turbo model will stick around. Source: Camaro5.org 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.
  10. William Maley Staff Writer - CheersandGears.com October 24, 2012 Earlier this morning, General Motors debuted a brand new 6.2L LT1 V8 engine that will be in the seventh-generation Corvette.The new LT1 is full of new tech and comes with some impressive specs. The new 6.2L V8 will produce 450 HP and 450 pound-feet of torque. That can propel the C7 to 60 in under 4.0 seconds, which puts it within a hair of the 2012 Corvette Z06's 0-60 time of 3.7 seconds. Fuel economy is impressive, with GM claiming that the C7 will deliver up to 26 mpg highway. The new technology on the new LT1 V8 includes direct injection with “on demand” adjustable pressure, variable valve timing, a twisted-head design, and cylinder-deactivation. The new LT1 will also be claimed 40-pounds lighter and four inches shorter than BMW's 4.4L twin-turbo V8. The new LT1 V8 will be built at GM's Tonawanda plant, the same place where the first Chevy Small Block V8 was built in 1955. Press Release is on Page 2 All-New 2014 Corvette LT1 V-8 a Technological Powerhouse Advanced technologies including direct injection, active fuel management, continuously variable valve timing support advanced combustion system Preliminary output of 450 horsepower (335 kW) and 450 lb.-ft. of torque (610 Nm) Helps deliver estimated 0-60 performance in less than four seconds and best-ever fuel economy in the Corvette DETROIT – When the all-new 2014 Chevrolet Corvette arrives late next year, it will be powered by a technologically advanced, racing-proven 6.2L V-8 delivering an estimated 450 horsepower and helping produce 0-60 times in less than four seconds. The new Corvette LT1 engine, the first of the Gen 5 family of Small Block engines, combines several advanced technologies, including direct injection, Active Fuel Management and continuously variable valve timing to support an advanced combustion system. “Our objective for the development of the all-new LT1 was to raise the bar for performance car engines,” said Mary Barra, senior vice president, global product development. “We feel that we have achieved that by delivering a true technological masterpiece that seamlessly integrates a suite of advanced technologies that can only be found on a handful of engines in the world. “What makes this engine truly special is the advanced combustion system that extracts the full potential of these technologies. The art and science behind that combustion system make the Corvette LT1 one of the most advanced V-8 engines in the world,” said Barra. Output, performance, and fuel economy numbers will not be finalized until early next year, but the new LT1 engine is expected to deliver: The most powerful standard Corvette ever, with preliminary output of 450 horsepower (335 kW) and 450 lb.-ft. of torque (610 Nm) The quickest standard Corvette ever, with estimated 0-60 performance of less than four seconds The most fuel-efficient Corvette ever, exceeding the 2013 EPA-estimated 26 miles per gallon on the highway. “The Holy Grail for developing a performance car is delivering greater performance and more power with greater fuel economy and that’s what we’ve achieved,” said Tadge Juechter, Corvette chief engineer. “By leveraging technology, we are able to get more out of every drop of gasoline and because of that we expect the new Corvette will be the most fuel-efficient 450 horsepower car on the market.” Advanced combustion system optimized with 6 million hours of analysis “The Corvette LT1 represents the most significant redesign in the Small Block’s nearly 60-year history – building on its legacy to make one of the world’s best engines even better,” said Sam Winegarden, vice president, Global Powertrain Engineering. “More than just great horsepower, the LT1 has been optimized to produce a broader power band. Below 4,000 rpm, the torque of the Corvette LT1 is comparable to that of the legendary, 7.0L LS7 out of the current Corvette Z06. The LT1 is a sweetheart of a power plant and drivers will feel its tremendous torque and power at every notch on the tachometer.” Increased power and efficiency were made possible by an unprecedented level of analysis, including computational fluid dynamics, to optimize the combustion system, the direct injection fuel system, active fuel management and variable valve timing systems that support it. More than 10 million hours of computational analysis were conducted on the engine program, including 6 million hours (CPU time) dedicated to the advanced combustion system. Direct injection is all-new to the engine architecture and is a primary contributor to its greater combustion efficiency by ensuring a more complete burn of the fuel in the air-fuel mixture. This is achieved by precisely controlling the mixture motion and fuel injection spray pattern. Direct injection also keeps the combustion chamber cooler, which allows for a higher compression ratio. Emissions are also reduced, particularly cold-start hydrocarbon emissions, which are cut by about 25 percent. Active Fuel Management (AFM) – a first-ever application on Corvette – helps save fuel by imperceptibly shutting down half of the engine’s cylinders in light-load driving. Continuously variable valve timing, which GM pioneered for overhead-valve engines, is refined to support the LT1 AFM and direct injection systems to further optimize performance, efficiency and emissions. These technologies support the all-new, advanced combustion system, which incorporates a new cylinder-head design and a new, sculpted piston design that is an integral contributor to the high-compression, mixture motion parameters enabled by direct injection. The LT1 head features smaller combustion chambers designed to complement the volume of the unique topography of the pistons’ heads. The smaller chamber size and sculpted pistons produce an 11.5:1 compression ratio, while the head features large, straight and rectangular intake ports with a slight twist to enhance mixture motion. This is complemented by a reversal of the intake and exhaust valve positions, as compared to the previous engine design. Also, the spark plug angle and depth have been revised to protrude farther into the chamber, placing the electrode closer to the center of the combustion to support optimal combustion. The pistons feature unique sculpted topography that was optimized via extensive analysis to precisely direct the fuel spray for a more complete combustion. The contours of the piston heads are machined to ensure dimensional accuracy – essential for precise control of mixture motion and the compression ratio. Race-proven legacy, state-of-the-art performance The first Small Block V-8 debuted in the Corvette in 1955. It displaced 4.3L (265 cubic inches) and was rated at 195 horsepower, drawing air and fuel through a four-barrel carburetor. Five years later, V-8 power helped Corvette secure its first victory at the 24 Hours of Le Mans. In 2012, the Small Block-powered Corvette Racing C6.R beat Ferrari, BMW and Porsche to sweep the drivers’, team, and manufacturer championships in production-based American Le Mans Series GT class. These championships make Corvette Racing the most successful team in ALMS history, with a total of 77 class wins, eight drivers’ championships, and nine manufacturer and team championships since 2001. “The engine requirements for a production car and a race car are remarkably similar,” said Jordan Lee, Small Block chief engineer and program manager. “In both cases, you want an engine that is powerful and efficient, compact and lightweight, and durable. That combination is what made the original Small Block so successful. Today, the introduction of state-of-the-art technologies and engineering makes one of the best performance car engines in the world even better.” As an example, the new LT1 engine is 40 pounds lighter than a competitor’s twin-turbo 4.4L, DOHC V-8 with similar output. That weight savings not only improves the Corvette’s power-to-weight ratio, but also contributes to a near-perfect 50/50 weight balance for enhanced steering response and handling. The new LT1 is also four inches shorter in overall height than the competitive DOHC V-8. That also improves handling by lowering the center of gravity while enabling a low hood line – contributing to the Corvette’s iconic profile, as well as ensuring exceptional driver visibility. The new LT1 is the third engine in the Corvette’s history to be so-named, with previous versions introduced in 1970 (Gen 1) and 1992 (Gen 2). All iterations of the LT1 – and all Small Block engines – have shared a compact design philosophy that fosters greater packaging flexibility in sleek vehicles such as the Corvette. “The power and efficiency of the Small Block V-8 are hallmarks of Corvette performance,” said Lee. “But, the compact size and great power-to-weight are just as important for the overall driving experience. The all-new LT1 will play a huge role in making the all-new Corvette a world-class sports car, in terms of technology, performance, and refinement.” Engine features and highlights All-aluminum block and oil pan: The Gen 5 block was developed with math-based tools and data acquired in GM’s racing programs, providing a light, rigid foundation for an impressively smooth engine. Its deep-skirt design helps maximize strength and minimize vibration. As with the Gen 3 and Gen 4 Small Blocks, the bulkheads accommodate six-bolt, cross-bolted main-bearing caps that limit crank flex and stiffen the engine’s structure. A structural aluminum oil pan further stiffens the powertrain. The block features nodular iron main bearing caps, which represent a significant upgrade over more conventional powdered metal bearing caps. They are stronger and can better absorb vibrations and other harmonics to help produce smoother, quieter performance. Compared to the Gen 4 engine, the Gen 5’s cylinder block casting is all-new, but based on the same basic architecture. It was refined and modified to accommodate the mounting of the engine-driven direct injection high-pressure fuel pump. It also incorporates new engine mount attachments, new knock sensor locations, improved sealing and oil-spray piston cooling. Advanced oiling system, with available dry-sump system: The LT1 oiling system – including oil-spray piston cooling – was also optimized for improved performance. It is driven by a new, variable-displacement oil pump that enables more efficient oil delivery, per the engine’s operating conditions. Its dual-pressure control enables operation at a very efficient oil pressure at lower rpm coordinated with AFM and delivers higher pressure at higher engine speeds to provide a more robust lube system for aggressive engine operation. Standard oil-spray piston cooling sprays the underside of each piston and the surrounding cylinder wall with an extra layer of cooling oil, via small jets located at the bottom of the cylinders. For optimal efficiency, the oil jets are used only when they are needed the most: at start-up, giving the cylinders extra lubrication that reduces noise, and at higher engine speeds, when the engine load demands, for extra cooling and greater durability. An available dry-sump oiling system promotes exceptional lubrication system performance during aggressive driving maneuvers and high cornering loads. It includes two stages: a pressure stage and a scavenge stage. The pressure stage includes the new, dual-pressure-control and variable-displacement vane pump. Dexos semi-synthetic motor oil, with a 5W30 specification, helps reduce friction to further enhance the LT1’s efficiency. New, tri-lobe camshaft: Compared to the Gen 4 Small Block, the camshaft remains in the same position relative to the crankshaft and is used with a new rear cam bearing, but it features an all-new “tri-lobe” designed lobe which exclusively drives the engine-mounted direct injection high-pressure fuel pump, which powers the direct-injection combustion system. The cam’s specifications include 14mm/13.3mm (0.551/0.524-inch) intake/exhaust lift, 200/207-crank angle degrees intake/exhaust duration at 0.050-inch tappet lift and a 116.5-degree cam angle lobe separation. New, cam-driven fuel pump: The direct injection system features a very-high-pressure fuel pump, which delivers up to 15Mpa (150 bar). The high-pressure, engine-driven fuel pump is fed by a conventional fuel-tank-mounted pump. The direct injection pump is mounted in the “valley” between cylinder heads – beneath the intake manifold – and is driven by the camshaft at the rear of the engine. This location ensures any noise generated by the pump is muffled by the intake manifold and other insulation in the valley. PCV-integrated rocker covers: One of the most distinctive features of the new engine is its domed rocker covers, which house the, patent-pending, integrated positive crankcase ventilation (PCV) system that enhances oil economy and oil life, while reducing oil consumption and contributing to low emissions. The rocker covers also hold the direct-mount ignition coils for the coil-near-plug ignition system. Between the individual coil packs, the domed sections of the covers contain baffles that separate oil and air from the crankcase gases – about three times the oil/air separation capability of previous engines. Intake manifold and throttle body assembly: The LT1’s intake manifold features a “runners in a box” design, wherein individual runners inside the manifold feed a plenum box that allows for excellent, high-efficiency airflow packaged beneath the car’s low hood line. Acoustic foam is sandwiched between the outside top of the intake manifold and an additional acoustic shell to reduce radiated engine noise, as well as fuel pump noise. The manifold is paired with an electronically controlled throttle, featuring an 87mm bore diameter and a “contactless” throttle position sensor design that is more durable and enables greater control. Four-into-one exhaust manifolds: The LT-1 uses a cast version of the “four-into-one” short-header exhaust manifold design used on the Gen 4 LS7 engine. The cast header passages enable consistent exhaust flow into the “wide mouth” collector at the converter. Cooling system, humidity sensor and more: Additional features and technologies of the Gen 5 Small Block include: A revised cooling system with an offset water pump and thermostat for more efficient performance Air induction humidity sensor ensures optimal combustion efficiency, regardless of the surrounding air’s humidity 58X ignition system with individual ignition coil modules and iridium-tip spark plugs All-new “E92” engine controller. General Motors’ investment in the Gen 5 Small Block will create or retain more than 1,600 jobs in five North American plants, including Tonawanda, New York, which recently received upgrades to support its production. 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.
  11. William Maley Staff Writer - CheersandGears.com August 21, 2012 Since February of this year, Bentley has said they're looking into the plug-in hybrid powertrain for their upcoming SUV. But the SUV isn't the only vehicle that Bentley is considering for a hybrid. Car and Driver learned from former Bentley CEO, Wolfgang Dürheimer that future Bentley models, including the SUV, will be available with a plug-in hybrid option. Also being worked on for future Bentley model are diesel engines. Dürheimer reveals that prototype vehicles with diesel engines are up and running. Dürheimer didn't reveal any details, but Car and Driver speculates that Bentley will use Audi’s next-generation V8 diesel engine producing more than 400 HP. There is some bad news with Bentley's powertrains. The venerable 6.75L (or 6 3/4) twin-turbo V8 used in the Mulsanne will be retired. “I believe the 6.75-liter V-8 can retire,” said Dürheimer. The reason? Bentley is setting itself to be VW's center for 12-cylinder engines. Having your flagship model using a V8 is a no-no. However, the change won't be happening until the next generation Mulsanne is released, and no one knows when that will be happening. 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.
  12. As the Holden Commodore and its variants ready for their final curtain call, there is the question of what would stand as the brand's hero car. Various GM executives have said the Australian brand would retain a V8 powered vehicle, most likely a sports car. The folks at CarAdvice were able to gleam a tiny bit of information about this new V8 vehicle. When asked if the sports car would compete with the Ford Mustang, Holden's executive director of sales, Peter Keley said it wouldn't. “No [when asked if the V8 sports car will be a Mustang competitor]. We’re not going to say anything specific about the vehicle. We are going to launch a V8 sports car and it will blow your socks off. We can’t talk specifics,” said Keley. 'Blow your socks off". Big words for a vehicle that not much is known about. But Keley's answer has given us one big clue, it will not be a rebadged Camaro or be around the same size. There is talk about the Camaro coming to Australia if there is enough demand for it. We're going to put on our speculation hats for a moment and figure out what Holden has in store. Our guess is that Holden could do a successor to the Monaro coupe. Using the Alpha platform, the model would be slightly longer than the Camaro to have it stand-out from the Mustang. We would expect the 6.2L V8 from the Camaro with 455 horsepower and the choice of either a six-speed manual or eight-speed automatic. We wouldn't be surprised if this coupe arrives in 2018 or sometime after. Source: CarAdvice View full article
  13. What do you think of the way this V8 sounds. Overall, I think the video is a bit weird...but I like the sound of the engine, and overall, this Lexus LC500 definitely had a luxurious interior, and the best iteration of their spindle grille.
  14. Audi is in the process introducing the next-generation V8 that will be used in their models, along with Bentley and Porsche. We've already gotten a glimpse of the diesel version that powers the SQ7 and before too long, we might see the gas version. But Autocar reports that this V8 could be Audi's last. A source tells the British publication that the German automaker is moving a fair amount of their investments over to electric and hybrid vehicle development. This change would likely mean there isn't enough money to develop another V8 engine in the future. “By 2025, the plan of Audi management is to have between 25% and 35% of Audi’s output as battery-electric vehicles," said the source. “It would be very difficult to justify the huge investment in another new V8 because of the cost of developing electric drivetrains and battery packs. You have to ask what is the best use of investment money.” Source: Autocar View full article
  15. 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
  16. Cadillac President Johan de Nysschen is known for slipping out little bits of information. Case in point was earlier today when an analyst in a Facebook group said Cadillac would axing the V8 from most of their models aside from Cadillac CTS-V and Escalade. Johan joined the discussion and went on to correct this by stating that there will be a new V8 engine that will be purpose built for Cadillac. In Johan's words, "There absolutely will be another state -of - the -art mega powerful highly efficient new 8- cylinder from Cadillac, besides the CTS- V engine. Purpose designed for Cadillac....the V8 Cadillac is alive and well today, and will be in even better shape tomorrow." Now, news of a forthcoming Cadillac V8 isn't breaking news. Johan has previously hinted at a twin-turbo V8 coming for the Cadillac CT6, but it was interesting to see Cadillac's President join in a Facebook discussion and give us more description of the engine. I contacted a Cadillac spokesman about the exchange and he pointed out such an engine will appear in "later in the second half of this decade". So look for Cadillac CT6 to gain a V8 in the 2017-2018 time frame. Source: Facebook View full article
  17. It has been awhile since we have heard anything on Cadillac's powertrain plans. But CEO Johan de Nysschen was in a talkative mood about it and Car and Driver was there to catch it. First is a V8 coming the CT6. The V8 will be a 4.2L and feature twin-turbos. This engine isn't based on GM's small-block architecture. The 4.2L displacement is interesting as competitors - mostly Germans - only go up to 4.0L to avoid Chinese taxes on high-displacement engines. Cadillac doesn't expect to sell many CT6s equipped with V8 in China, focusing more on the Plug-In Hybrid version for the market. Power is expected to be “in the upper 400s,” de Nysschen said. Car and Driver speculates this engine will only be available on the Platinum trim. de Nysschen also talked about the luxury brand's plan for diesel engines. We reported last May that Cadillac was working on a new four and six-cylinder diesel engines that were being built with Europe in mind, but there was a chance of them being offered in the U.S. A few months later, the Volkswagen diesel emission crisis broke out. “We pulled that trigger before the current dilemma,” said de Nysschen about the future of Cadillac's diesel plans. “If you have gone that far in a program, you might as well carry it through.” de Nysschen's comments echo commitments made by other automakers. Audi and BMW have said they will stick with diesel, and Land Rover has just introduced a diesel option for the Range Rover and Range Rover Sport. Source: Car and Driver, 2 View full article
  18. Just when you thought it was safe to go back onto the racetrack, Chevrolet has announced the return of the 1LE package for the Camaro. Debuting tomorrow at the Chicago Auto Show, the 2017 Camaro 1LE will be available for the V8 and for the first time, the V6. Let us break down what you get with either engine. LT 1LE The V6 1LE - available on the LT - gets some equipment from the SS 1LE. This includes a new fuel system and the FE3 suspension package with stabilizer bars. Other items for LT 1LE include a mechanical limited slip differential, upgraded cooling system four-piston Brembo brakes for the front, 20-inch lightweight aluminum wheels, and set of Goodyear Eagle F1 tires. A black satin hood and suede interior accents dress up the 1LE. Optional will be a set of Recaro seats and Performance Data Recorder. SS 1LE The SS 1LE comes with the new FE4 suspension package with magnetic ride control, electronic limited slip differential, six-piston Brembo brakes on all four corners, 20-inch wheels, and a Goodyear Eagle F1 Supercar tires specifically developed for this vehicle. Upgraded cooling systems for the V8 engine, transmission, and differential come standard. A set of Recaro bucket seats and a head-up display finish the interior. “The Camaro 1LE packages follow a recipe any track-day enthusiast will appreciate. Start with a lightweight, stiff structure and then add higher levels of suspension stiffness and damping, more aggressive tires, higher downforce, more powerful brakes and more cooling," said Al Oppenheiser, Camaro chief engineer. “The result delivers better performance in all measures. In our development tests, the V-6 Camaro 1LE delivers lap times comparable with the previous-gen V-8 model. The 2016 Camaro SS 1LE sets the new benchmark for the segment, lapping the Big Willow track at Willow Springs three seconds faster than the standard Camaro SS.” Chevrolet says the 1LE package will be available late this year. Pricing will be announced a later time. Source: Chevrolet You can follow our coverage of 2016 Chicago Auto Show News here. Press Release is on Page 2 New 1LE Packages Elevates Camaro Track Capabilities Track package returns with more technology for V8 models, first time offered on V6 CHICAGO – The Chevrolet Camaro 1LE performance package returns for 2017, poised to set new benchmarks for attainable track performance. The package builds off the success of the previous-generation 1LE, offering increased handling and track performance. In response to customer demand, Chevrolet will offer two distinct 1LE packages, for both V6 and V8 models, each visually distinguished with a satin black hood, specific wheels and more. For the first time, the 1LE package will be available on Camaro 1LT or 2LT coupes equipped with the 3.6L V6. Featuring more aggressive suspension tuning, standard Brembo brakes and Goodyear Eagle F1 tires, the LT 1LE delivers an estimated 0.97G in cornering grip. Available Recaro seats will keep you planted through the corners, and an available Performance Data Recorder will allow you to view and share your track experience. The new 1LE package for Camaro 1SS models includes magnetic ride control, with a new FE4 suspension tuning and a new, segment-exclusive electronic limited slip differential (eLSD). Paired with massive Goodyear Eagle F1 tires, lateral acceleration will exceed 1G. Additional features available on the 1LE package include standard Recaro seats and a Performance Data Recorder (PDR), new to the Camaro lineup. As a result, the 1LE package elevates the award-winning performance that earned Camaro the 2016 Motor Trend Car of the Year and Car and Driver 10Best awards. “The Camaro 1LE packages follow a recipe any track-day enthusiast will appreciate,” said Al Oppenheiser, Camaro chief engineer. “Start with a lightweight, stiff structure and then add higher levels of suspension stiffness and damping, more aggressive tires, higher downforce, more powerful brakes and more cooling. “The result delivers better performance in all measures,” said Oppenheiser. “In our development tests, the V-6 Camaro 1LE delivers lap times comparable with the previous-gen V-8 model. The 2016 Camaro SS 1LE sets the new benchmark for the segment, lapping the Big Willow track at Willow Springs three seconds faster than the standard Camaro SS.” The new 1LE packages are available in late 2016, on 2017 Camaro SS and LT V-6 coupes equipped with manual transmissions. Pricing and performance data will be announced at a later date. Camaro LT 1LE The Camaro LT 1LE was developed to be the most track-capable sports coupe in its price class. Highlights include: 3.6L V-6 rated at 335 horsepower and matched with the six-speed manual transmission FE3 suspension components (from the Camaro SS), including dampers, rear cradle mounts, ball-jointed rear toe links and stabilizer bars Lightweight 20-inch forged aluminum wheels with Goodyear Eagle F1 245/40R20 front tires and 275/35R20 rear tires Brembo 4-piston front brake calipers Mechanical Limited-slip differential with 3.27 ratio Standard track-cooling package, with engine oil, differential and transmission coolers Suede steering wheel and shorter-throw shifter Standard dual mode exhaust system Camaro SS fuel system for higher-load cornering capability Satin black hood, front splitter and unique three-piece rear spoiler Unique high flow upper and lower grille with satin black accents Available Recaro seats and PDR video/data recording system. “With a curb weight under 3,500 pounds, excellent front-to-rear weight balance and the precision of the FE3 suspension, the Camaro LT 1LE offers unmatched capability in its class,” said Oppenheiser. “As a result, it offers incredible performance for Camaro V-6 customers.” Camaro SS 1LE The 2017 Camaro SS 1LE introduces the new FE4 suspension to the Gen Six Camaro – a performance-oriented chassis system with specific tuning for the Magnetic Ride dampers, springs and stabilizer bars. Additional highlights include: 6.2L LT1 V-8 rated at 455 horsepower, and six-speed manual transmission (automatic transmission not available) Magnetic Ride Control Segment-exclusive electronic limited-slip differential with 3.73 ratio Unique forged aluminum wheels with 285/30ZR20 front tires and 305/30ZR20 rear tires Goodyear Eagle F1 Supercar tires with a compound and construction developed exclusively for the Camaro – offering exceptional grip on the track Brembo brakes with new six-piston monobloc front red calipers – featuring the 1LE logo – and two-piece rotors. Measuring 14.6 inches (370mm) in diameter, the front rotors are 7 percent larger than Camaro SS Track-cooling package, with engine oil, differential and transmission coolers Suede steering wheel with shorter-throw shifter Dual mode exhaust system Recaro front seats with aggressive bolsters optimized for shifting and steering comfort Satin black hood, front mirrors and unique three-piece rear spoiler Satin Graphite front splitter and rear diffuser Available PDR video/data recording system View full article
  19. The past year saw us report on a new high-performance engine from Chrysler with the codename of Hellcat. This engine is a supercharged 6.2L HEMI V8 producing 600+ horsepower and is reportedly going into the Challenger sometime this year. Well a new rumor has the Hellcat appearing at next week's Detroit Auto Show. Allpar has learned from a few sources that the Hellcat V8 will be shown in a Challenger at the Detroit Auto Show, putting it right in line with previous rumors. The engine will be available with the choice of six-speed manual or eight-speed automatic transmission. Pricing is expected to be somewhere around the $70,000 to $80,000 range. Source: Allpar 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
  20. Mercedes-Benz Future Engine Line Up To Include V8s, 4, and I6s? William Maley - Editor/Reporter - CheersandGears.com October 28, 2011 Mercedes-Benz has just signed off on their new engine line to begin showing up in 2015 and major changes are coming. A new set of three and four cylinder engines from both Mercedes and Nissan/Renault will find their way into the three pointed star. Also, big-bore V8s will be replaced by smaller V8s equipped with turbochargers. The biggest change is with their V6 lineup. According to Car magazine, a source tells them that Mercedes-Benz will be dropping their V6 engines for Inline-6s. The source also says the Inline-6 will be used for their larger vehicles and come in either a single or dual turbo setup. Source: Car Magazine
  21. William Maley Staff Writer - CheersandGears.com October 24, 2012 Earlier this morning, General Motors debuted a brand new 6.2L LT1 V8 engine that will be in the seventh-generation Corvette.The new LT1 is full of new tech and comes with some impressive specs. The new 6.2L V8 will produce 450 HP and 450 pound-feet of torque. That can propel the C7 to 60 in under 4.0 seconds, which puts it within a hair of the 2012 Corvette Z06's 0-60 time of 3.7 seconds. Fuel economy is impressive, with GM claiming that the C7 will deliver up to 26 mpg highway. The new technology on the new LT1 V8 includes direct injection with “on demand” adjustable pressure, variable valve timing, a twisted-head design, and cylinder-deactivation. The new LT1 will also be claimed 40-pounds lighter and four inches shorter than BMW's 4.4L twin-turbo V8. The new LT1 V8 will be built at GM's Tonawanda plant, the same place where the first Chevy Small Block V8 was built in 1955. Press Release is on Page 2 All-New 2014 Corvette LT1 V-8 a Technological Powerhouse Advanced technologies including direct injection, active fuel management, continuously variable valve timing support advanced combustion system Preliminary output of 450 horsepower (335 kW) and 450 lb.-ft. of torque (610 Nm) Helps deliver estimated 0-60 performance in less than four seconds and best-ever fuel economy in the Corvette DETROIT – When the all-new 2014 Chevrolet Corvette arrives late next year, it will be powered by a technologically advanced, racing-proven 6.2L V-8 delivering an estimated 450 horsepower and helping produce 0-60 times in less than four seconds. The new Corvette LT1 engine, the first of the Gen 5 family of Small Block engines, combines several advanced technologies, including direct injection, Active Fuel Management and continuously variable valve timing to support an advanced combustion system. “Our objective for the development of the all-new LT1 was to raise the bar for performance car engines,” said Mary Barra, senior vice president, global product development. “We feel that we have achieved that by delivering a true technological masterpiece that seamlessly integrates a suite of advanced technologies that can only be found on a handful of engines in the world. “What makes this engine truly special is the advanced combustion system that extracts the full potential of these technologies. The art and science behind that combustion system make the Corvette LT1 one of the most advanced V-8 engines in the world,” said Barra. Output, performance, and fuel economy numbers will not be finalized until early next year, but the new LT1 engine is expected to deliver: The most powerful standard Corvette ever, with preliminary output of 450 horsepower (335 kW) and 450 lb.-ft. of torque (610 Nm) The quickest standard Corvette ever, with estimated 0-60 performance of less than four seconds The most fuel-efficient Corvette ever, exceeding the 2013 EPA-estimated 26 miles per gallon on the highway. “The Holy Grail for developing a performance car is delivering greater performance and more power with greater fuel economy and that’s what we’ve achieved,” said Tadge Juechter, Corvette chief engineer. “By leveraging technology, we are able to get more out of every drop of gasoline and because of that we expect the new Corvette will be the most fuel-efficient 450 horsepower car on the market.” Advanced combustion system optimized with 6 million hours of analysis “The Corvette LT1 represents the most significant redesign in the Small Block’s nearly 60-year history – building on its legacy to make one of the world’s best engines even better,” said Sam Winegarden, vice president, Global Powertrain Engineering. “More than just great horsepower, the LT1 has been optimized to produce a broader power band. Below 4,000 rpm, the torque of the Corvette LT1 is comparable to that of the legendary, 7.0L LS7 out of the current Corvette Z06. The LT1 is a sweetheart of a power plant and drivers will feel its tremendous torque and power at every notch on the tachometer.” Increased power and efficiency were made possible by an unprecedented level of analysis, including computational fluid dynamics, to optimize the combustion system, the direct injection fuel system, active fuel management and variable valve timing systems that support it. More than 10 million hours of computational analysis were conducted on the engine program, including 6 million hours (CPU time) dedicated to the advanced combustion system. Direct injection is all-new to the engine architecture and is a primary contributor to its greater combustion efficiency by ensuring a more complete burn of the fuel in the air-fuel mixture. This is achieved by precisely controlling the mixture motion and fuel injection spray pattern. Direct injection also keeps the combustion chamber cooler, which allows for a higher compression ratio. Emissions are also reduced, particularly cold-start hydrocarbon emissions, which are cut by about 25 percent. Active Fuel Management (AFM) – a first-ever application on Corvette – helps save fuel by imperceptibly shutting down half of the engine’s cylinders in light-load driving. Continuously variable valve timing, which GM pioneered for overhead-valve engines, is refined to support the LT1 AFM and direct injection systems to further optimize performance, efficiency and emissions. These technologies support the all-new, advanced combustion system, which incorporates a new cylinder-head design and a new, sculpted piston design that is an integral contributor to the high-compression, mixture motion parameters enabled by direct injection. The LT1 head features smaller combustion chambers designed to complement the volume of the unique topography of the pistons’ heads. The smaller chamber size and sculpted pistons produce an 11.5:1 compression ratio, while the head features large, straight and rectangular intake ports with a slight twist to enhance mixture motion. This is complemented by a reversal of the intake and exhaust valve positions, as compared to the previous engine design. Also, the spark plug angle and depth have been revised to protrude farther into the chamber, placing the electrode closer to the center of the combustion to support optimal combustion. The pistons feature unique sculpted topography that was optimized via extensive analysis to precisely direct the fuel spray for a more complete combustion. The contours of the piston heads are machined to ensure dimensional accuracy – essential for precise control of mixture motion and the compression ratio. Race-proven legacy, state-of-the-art performance The first Small Block V-8 debuted in the Corvette in 1955. It displaced 4.3L (265 cubic inches) and was rated at 195 horsepower, drawing air and fuel through a four-barrel carburetor. Five years later, V-8 power helped Corvette secure its first victory at the 24 Hours of Le Mans. In 2012, the Small Block-powered Corvette Racing C6.R beat Ferrari, BMW and Porsche to sweep the drivers’, team, and manufacturer championships in production-based American Le Mans Series GT class. These championships make Corvette Racing the most successful team in ALMS history, with a total of 77 class wins, eight drivers’ championships, and nine manufacturer and team championships since 2001. “The engine requirements for a production car and a race car are remarkably similar,” said Jordan Lee, Small Block chief engineer and program manager. “In both cases, you want an engine that is powerful and efficient, compact and lightweight, and durable. That combination is what made the original Small Block so successful. Today, the introduction of state-of-the-art technologies and engineering makes one of the best performance car engines in the world even better.” As an example, the new LT1 engine is 40 pounds lighter than a competitor’s twin-turbo 4.4L, DOHC V-8 with similar output. That weight savings not only improves the Corvette’s power-to-weight ratio, but also contributes to a near-perfect 50/50 weight balance for enhanced steering response and handling. The new LT1 is also four inches shorter in overall height than the competitive DOHC V-8. That also improves handling by lowering the center of gravity while enabling a low hood line – contributing to the Corvette’s iconic profile, as well as ensuring exceptional driver visibility. The new LT1 is the third engine in the Corvette’s history to be so-named, with previous versions introduced in 1970 (Gen 1) and 1992 (Gen 2). All iterations of the LT1 – and all Small Block engines – have shared a compact design philosophy that fosters greater packaging flexibility in sleek vehicles such as the Corvette. “The power and efficiency of the Small Block V-8 are hallmarks of Corvette performance,” said Lee. “But, the compact size and great power-to-weight are just as important for the overall driving experience. The all-new LT1 will play a huge role in making the all-new Corvette a world-class sports car, in terms of technology, performance, and refinement.” Engine features and highlights All-aluminum block and oil pan: The Gen 5 block was developed with math-based tools and data acquired in GM’s racing programs, providing a light, rigid foundation for an impressively smooth engine. Its deep-skirt design helps maximize strength and minimize vibration. As with the Gen 3 and Gen 4 Small Blocks, the bulkheads accommodate six-bolt, cross-bolted main-bearing caps that limit crank flex and stiffen the engine’s structure. A structural aluminum oil pan further stiffens the powertrain. The block features nodular iron main bearing caps, which represent a significant upgrade over more conventional powdered metal bearing caps. They are stronger and can better absorb vibrations and other harmonics to help produce smoother, quieter performance. Compared to the Gen 4 engine, the Gen 5’s cylinder block casting is all-new, but based on the same basic architecture. It was refined and modified to accommodate the mounting of the engine-driven direct injection high-pressure fuel pump. It also incorporates new engine mount attachments, new knock sensor locations, improved sealing and oil-spray piston cooling. Advanced oiling system, with available dry-sump system: The LT1 oiling system – including oil-spray piston cooling – was also optimized for improved performance. It is driven by a new, variable-displacement oil pump that enables more efficient oil delivery, per the engine’s operating conditions. Its dual-pressure control enables operation at a very efficient oil pressure at lower rpm coordinated with AFM and delivers higher pressure at higher engine speeds to provide a more robust lube system for aggressive engine operation. Standard oil-spray piston cooling sprays the underside of each piston and the surrounding cylinder wall with an extra layer of cooling oil, via small jets located at the bottom of the cylinders. For optimal efficiency, the oil jets are used only when they are needed the most: at start-up, giving the cylinders extra lubrication that reduces noise, and at higher engine speeds, when the engine load demands, for extra cooling and greater durability. An available dry-sump oiling system promotes exceptional lubrication system performance during aggressive driving maneuvers and high cornering loads. It includes two stages: a pressure stage and a scavenge stage. The pressure stage includes the new, dual-pressure-control and variable-displacement vane pump. Dexos semi-synthetic motor oil, with a 5W30 specification, helps reduce friction to further enhance the LT1’s efficiency. New, tri-lobe camshaft: Compared to the Gen 4 Small Block, the camshaft remains in the same position relative to the crankshaft and is used with a new rear cam bearing, but it features an all-new “tri-lobe” designed lobe which exclusively drives the engine-mounted direct injection high-pressure fuel pump, which powers the direct-injection combustion system. The cam’s specifications include 14mm/13.3mm (0.551/0.524-inch) intake/exhaust lift, 200/207-crank angle degrees intake/exhaust duration at 0.050-inch tappet lift and a 116.5-degree cam angle lobe separation. New, cam-driven fuel pump: The direct injection system features a very-high-pressure fuel pump, which delivers up to 15Mpa (150 bar). The high-pressure, engine-driven fuel pump is fed by a conventional fuel-tank-mounted pump. The direct injection pump is mounted in the “valley” between cylinder heads – beneath the intake manifold – and is driven by the camshaft at the rear of the engine. This location ensures any noise generated by the pump is muffled by the intake manifold and other insulation in the valley. PCV-integrated rocker covers: One of the most distinctive features of the new engine is its domed rocker covers, which house the, patent-pending, integrated positive crankcase ventilation (PCV) system that enhances oil economy and oil life, while reducing oil consumption and contributing to low emissions. The rocker covers also hold the direct-mount ignition coils for the coil-near-plug ignition system. Between the individual coil packs, the domed sections of the covers contain baffles that separate oil and air from the crankcase gases – about three times the oil/air separation capability of previous engines. Intake manifold and throttle body assembly: The LT1’s intake manifold features a “runners in a box” design, wherein individual runners inside the manifold feed a plenum box that allows for excellent, high-efficiency airflow packaged beneath the car’s low hood line. Acoustic foam is sandwiched between the outside top of the intake manifold and an additional acoustic shell to reduce radiated engine noise, as well as fuel pump noise. The manifold is paired with an electronically controlled throttle, featuring an 87mm bore diameter and a “contactless” throttle position sensor design that is more durable and enables greater control. Four-into-one exhaust manifolds: The LT-1 uses a cast version of the “four-into-one” short-header exhaust manifold design used on the Gen 4 LS7 engine. The cast header passages enable consistent exhaust flow into the “wide mouth” collector at the converter. Cooling system, humidity sensor and more: Additional features and technologies of the Gen 5 Small Block include: A revised cooling system with an offset water pump and thermostat for more efficient performance Air induction humidity sensor ensures optimal combustion efficiency, regardless of the surrounding air’s humidity 58X ignition system with individual ignition coil modules and iridium-tip spark plugs All-new “E92” engine controller. General Motors’ investment in the Gen 5 Small Block will create or retain more than 1,600 jobs in five North American plants, including Tonawanda, New York, which recently received upgrades to support its production. 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
  22. William Maley Staff Writer - CheersandGears.com August 21, 2012 Since February of this year, Bentley has said they're looking into the plug-in hybrid powertrain for their upcoming SUV. But the SUV isn't the only vehicle that Bentley is considering for a hybrid. Car and Driver learned from former Bentley CEO, Wolfgang Dürheimer that future Bentley models, including the SUV, will be available with a plug-in hybrid option. Also being worked on for future Bentley model are diesel engines. Dürheimer reveals that prototype vehicles with diesel engines are up and running. Dürheimer didn't reveal any details, but Car and Driver speculates that Bentley will use Audi’s next-generation V8 diesel engine producing more than 400 HP. There is some bad news with Bentley's powertrains. The venerable 6.75L (or 6 3/4) twin-turbo V8 used in the Mulsanne will be retired. “I believe the 6.75-liter V-8 can retire,” said Dürheimer. The reason? Bentley is setting itself to be VW's center for 12-cylinder engines. Having your flagship model using a V8 is a no-no. However, the change won't be happening until the next generation Mulsanne is released, and no one knows when that will be happening. 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
  23. William Maley Staff Writer - CheersandGears.com December 21, 2012 The folks at Camaro5.org got their hands on General Motors service document on decoding VIN number on 2014 model year vehicles for dealers and found some interesting information. First is the 2014 Camaro which features a listing of the 7.0L LS7 V8 engine from the current Corvette Z06 (505 horsepower and 470 lb-ft of torque). Speculation has it being for a new Camaro model, the rumored Z28 model. Next, the document references a LF3 engine which is noted as "ENGINE GAS, 6 CYL, 3.6L, SIDI, DOHC, VVT, ALUM, TWIN TURBO". In plain English, it could be the long rumored 3.6L twin-turbo V6. The document doesn't list the 3.6L twin-turbo in any of the models. Other items the document notes is the 2014 Buick Verano looks be dropping its base 2.4L four-cylinder and going towards a 1.6L turbo-four. The 2.0L turbo model will stick around. Source: Camaro5.org 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
  24. By William Maley Staff Writer - CheersandGears.com February 25, 2013 The 2013 Range Rover comes with two different V8 options; a 375 horsepower naturally aspirated 5.0L V8 and 510 horsepower supercharged 5.0L V8 engine. For 2014, Land Rover is changing out the naturally aspirated 5.0L V8 for a 3.0L supercharged V6. The 3.0L supercharged V6 is good for 340 horsepower and 332 pound-feet of torque. All of that power go to the four wheels via an eight-speed automatic transmission. Land Rover says 3.0L improves fuel economy by as much as 15%. The 2014 Range Rover arrives in the summer. Source: Land Rover 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 2014 RANGE ROVER NOW AVAILABLE FOR ORDER WITH A CHOICE OF SUPERCHARGED V6 & V8 ENGINES - Following the sales success of the all-new 2013 Range Rover, the 2014 Range Rover is now available for order, with deliveries beginning this summer - A new 340hp 3-liter supercharged V6 will offer improved efficiency with reduced emissions and uncompromised capability - A 510hp supercharged 5-liter V8 will continue to be available - The 2014 Range Rover will be equipped with a new Intelligent Stop/Start system which reduces idling to reduce emissions and save fuel - Both engines will be paired with an eight-speed ZF 8HP70 - Introduced for 2013, the high-strength all-aluminum Range Rover weighs approximately 700lbs less than the previous generation (MAHWAH, NJ) February 19, 2013 - On the heels of a massively successful launch of the 2013 all-new Range Rover, Land Rover is opening retail orders for the 2014 Range Rover, which will be in showrooms this summer. The upcoming 2014 Range Rover will be available with a new and more efficient 340hp supercharged V6 engine. This new engine choice combines effortless performance and exceptional refinement with enhanced fuel efficiency. The supercharged V6 engine will be offered alongside the 510hp supercharged V8. Both engines will be paired with an eight-speed ZF 8HP70 automatic transmission. The supercharged V6 will replace the naturally aspirated 5-liter V8 in the model line-up. With the new supercharged V6, the 2014 Range Rover will reach 60 mph from rest in just 7.1 seconds*. The supercharged 3-liter 90 degree V6 engine was developed from the existing 5-liter V8. With a peak output of 340hp at 6,500rpm, it offers a strong torque curve throughout the engine speed range, producing maximum torque between 3,500 and 5,000rpm. The new engine has been engineered to support the full breadth of capability expected from a Range Rover, including extreme off-road tilt angles up to 45 degrees, wading depth of nearly 36 inches (900mm) and towing weight up to 7,716 lbs (3,500kg). The engine's accessory drive is waterproofed, as are the alternator, air conditioning compressor, and starter motor. A pressure die-cast oil pan which features a deep profile and oil pick-up is designed to operate at tilt angles of up to 45 degrees fore/aft. The four-cam V6 shares features a lightweight die-cast aluminum block supplemented with cross-bolted main bearing caps for strength. The valves are controlled by a dual independent variable cam timing (DIVCT) system which is activated by the positive and negative torques generated by the movement of the intake and exhaust valves. This variable timing system features actuation rates of more than 150 degrees per second, to optimize power, torque and economy at all engine speeds. Counter-rotating front and rear balancer weights are engineered into this 90 degree V6 to maximize smoothness and refinement. Land Rover's Intelligent Stop/Start system helps enhance fuel efficiency in stop and go driving by reducing engine idling under certain conditions which saves fuel and cuts emissions. Spray-guided direct injection (SGDI) delivers precise quantities of fuel directly into the combustion chambers at pressures of up to 150bar (2175PSI). The fuel is injected in a matter of milliseconds several times during each combustion cycle, creating a more homogenous air-fuel mixture for cleaner and more efficient combustion. A high compression ratio of 10.5:1 further improves fuel efficiency and reduces emissions. The latest-generation Roots-type twin vortex supercharger is mounted in the 'V' of the engine and the charge air utilizes an air/liquid intercooler. A new Bosch engine management system controls all engine functions. When coupled to a high-strength yet lightweight all-aluminum structure this new powertrain further builds on the efficiency gains of the new Range Rover. View full article

About us

CheersandGears.com - Founded 2001

We ♥ Cars

Get in touch

Follow us

Recent tweets

facebook

×
×
  • Create New...