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    Chevrolet's Camaro Showing For SEMA Are All About the Dragstrip


    • Chevrolet has two drag Camaros on show for SEMA


    Once again, Chevrolet is heading off to SEMA to show off the latest COPO Camaro. But the COPO won't be the only Camaro dragster on display as Chevrolet will have a test vehicle showing off the Camaro SS Drag Race Development Program.

    COPO Camaro
    We'll begin with the COPO Camaro. This model is designed for NHRA’s Stock Eliminator classes and features a racing chassis and suspension bits to handle drag racing duties. COPO models feature a unique solid rear axle system, a lightweight, adjustable coil-over strut front suspension, manual four-wheel disc brakes, a custom manual steering rack, and a fuel cell system. There will be a range of naturally aspirated and supercharged V8 engines that will come paired with a three-speed automatic transmission.

    If you're interested in buying a COPO Camaro, you'll need to register at Chevrolet.com/COPO by December 15th to get the chance to be picked to purchase it. 

    The COPO Camaro on display at SEMA is serial number 01 of 69. It features a supercharged 350 V8, custom racing wheels, and a unique version of Hyper Blue Metallic exterior color. Chevrolet will put this model up for auction at Barrett-Jackson Scottsdale in January with proceeds going to United Way.

    Camaro SS Drag Race Development test vehicle
    Chevrolet describes the SS Drag Race Development test vehicles as a way "to mimic the typical stair-step enhancements many amateur racers make with their production Camaro SS models". Enginners started with a standard Camaro SS with an eight-speed automatic and began swapping parts. The test vehicle boasts cam-and-heads package to help boost power of the LT1 V8 to 530 (can be increased 600 with a power adder), higher-stall torque converter, and a set of drag slicks.

    “The Camaro SS Drag Race Development concept is a work in progress, but Chevrolet is serious about developing parts and packages tailored for drag racers. As we continue to develop the car, we’ll be listening intently to customers’ reactions to it and what they believe would help them the most on the drag strip. This is only the beginning,” 

    The results of this work in progress are impressive with the test car posting best numbers of,

    • 1.425 seconds for the 60-feet time
    • 6.764 seconds at 100.85 mph for the eighth-mile
    • 10.685 seconds at 125.73 mph for the quarter-mile

    Expect to see various parts coming from the Camaro SS Drag Race Development test vehicle in the near future.

    Source: Chevrolet
    Press Release is on Page 2


    Camaro Conquers the Quarter-Mile

    • Drag Race Development Program, new COPO Camaro advance drag-racing legacy

    PAHRUMP, Nev. – For 50 years, the Camaro and the quarter-mile have stuck together like a drag slick on a well-prepped starting line, and Chevrolet is pushing that winning legacy forward with the new Camaro SS Drag Race Development Program and the 2017 COPO Camaro.

    The Camaro SS Drag Race Development Program explores the quarter-mile capability of the Gen Six Camaro with concept parts designed to support 10-second elapsed times in a production-based model. The COPO Camaro offers the first look at the factory-built race car program for 2017.

    “From sportsman classes to the pro ranks, Camaro has been one of the most popular cars ever to launch down the drag strip,” said Jim Campbell, GM U.S. vice president of Performance Vehicles and Motorsports. “For 50 years Chevrolet has supported Camaro drag racers and these new SEMA vehicles demonstrate our commitment to the sport, with parts development and the advancement of the historic COPO Camaro program.”

    That commitment has helped put Camaro drivers in the winner’s circle, including seven class wins out of eight NHRA Stock classes and a Super Stock class win at the 2016 Chevrolet Performance U.S. Nationals in Indianapolis. COPO Camaro racer Jeff Lopez was the Stock Eliminator champion. 

    Drag Race Development
    The Camaro SS Drag Race Development Program was created to develop performance parts for 2016+ Camaro models. A test vehicle was built to mimic the typical stair-step enhancements many amateur racers make with their production Camaro SS models, including swapping the differential for a numerically higher ratio and adding horsepower-building components such as a cam-and-heads package to push the SS’s LT1 engine to more than 530 horsepower — and about 600 horsepower with a power adder.

    “More than simply achieving quick ETs in the Camaro, we are exploring the supporting components that help the car to go quicker with great durability,” said Mark Dickens, director, Performance Variants, Parts and Motorsports Engineering. “We’ve tested stronger axles and chassis components aimed at improving launch and traction attributes.”

    Engineers have made more than 100 passes down the quarter-mile with the development car, including the evaluation of DOT-approved racing and slick tires and a variety of drivetrain combinations.

    The engineering team also tested a higher-stall torque converter for greater launch capability, increasing the stall speed to 4,200 rpm with the LT1 engine. That’s approximately 30 percent higher than the stock converter. Along with a custom transmission calibration, the prototype converter allowed the car to launch harder, which improved the 60-foot time significantly and thereby improved the quarter-mile elapsed time.

    The best performance to date includes:

    • 60-foot time of 1.425 seconds
    • Eighth-mile time of 6.764 seconds at 100.85 mph
    • Quarter-mile time of 10.685 seconds at 125.73 mph

    Consistency in the performance tests came in large part from the Camaro SS’ production eight-speed paddle-shift automatic transmission, which fired off quick, immediate upshifts.

    “We worked this car just as hard as any serious racer would,” said Dickens. “We made pass after pass, pushing it harder, and were amazed at the capability and durability that came straight off the assembly line.”

    To support the greater horsepower and channel it to the ground durably, the engineers borrowed some heavy-duty, proven parts from the Gen 6 Camaro ZL1 including the half-shafts and prop shaft and the beefier Gen 5 ZL1 and Chevrolet Performance driveline upgrade with a 250mm, 3.73-geared rear-axle center section. They nicknamed it “Gravedigger,” because they haven’t been able to break it. The parts might be included in a range of Gen Six Camaro drag-racing parts Chevrolet is evaluating.  

    Additionally, the test car was fitted with Chevrolet Performance air induction and exhaust systems, as well as a “small” brake system that features small-diameter brake rotors that fit inside the test car’s 16-inch rear racing wheels and slicks.

    While the production Camaro SS features 20-inch wheels, optimal traction on the drag strip is achieved with racing slicks that feature taller sidewalls. They wrinkle slightly at launch as the slicks bite the starting line, reducing the chance for traction-killing tire spin. Smaller-diameter racing wheels typically don’t fit over large-diameter production brake rotors.

    “The Camaro SS Drag Race Development concept is a work in progress, but Chevrolet is serious about developing parts and packages tailored for drag racers,” said Dickens. “As we continue to develop the car, we’ll be listening intently to customers’ reactions to it and what they believe would help them the most on the drag strip. This is only the beginning.” 

    Like other Chevrolet development vehicles, the Drag Race Development concept wears a camouflaged exterior. There is, however, no disguising its performance capability when it’s lined up at the Christmas tree.

    2017 COPO Camaro show car
    The 2017 COPO Camaro program extends the production legacy that was re-started in 2012 and based on the special-order high-performance Camaro models created in 1969 to win on the drag strip.

    Chevrolet’s 2017 COPO Camaro show car — serial number 01 of 69 — was introduced today and features a supercharged 350 engine, custom Weld racing wheels and a unique “anodized” concept version of the production Hyper Blue Metallic exterior color. It will be sold at the Barrett-Jackson Scottsdale auction in January 2017, with proceeds to benefit United Way.

    Like the previous editions, the 2017 COPO Camaro is designed for NHRA’s Stock Eliminator classes. The production race cars are fitted with racing chassis and suspension components, including a unique solid rear axle system in place of a regular-production Camaro’s independent rear axle.

    Additional details include:

    • Lightweight, adjustable coil-over strut front suspension
    • Four-link rear suspension with double-adjustable coil-over shocks, Panhard bar and stabilizer bar
    • Rear axle with an aluminum center section featuring a lightweight steel spool and 40-spline gun-drilled axle shafts
    • Lightweight, drag-race manual four-wheel disc brakes (unassisted)
    • Custom manual steering rack
    • Fuel cell with built-in high-pressure fuel pump
    • Unique racing wire harness

    When it comes to horsepower, racers can select from a variety of supercharged and naturally aspirated LS- and LT-family engines, including a supercharged 350 (5.7L), a naturally aspirated 427 (7.0L) engine and an LT-based, direct-injected 376 (6.2L) engine. The engines are backed by an SFI-approved ATI TH400 three-speed automatic transmission. 

    Each COPO Camaro race car is built by hand starting with production hardware, including the same body-in-white used for production models.

    Racers interested in purchasing one of the 2017 COPO Camaro race cars must register at Chevrolet.com/COPO by Dec. 15, 2016. An independent third party will randomly select from the pool of interested customers. Those selected will be contacted in the first quarter of 2017.

    Enthusiasts can also follow updates on the 2017 COPO Camaro program at theBlock.com.

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    • By William Maley
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      Source: Chevrolet
      Press Release is on Page 2


      RST SPECIAL EDITION BRINGS STREET LOOK AND POWER TO THE NEW CHEVROLET TAHOE AND SUBURBAN
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      RST will be available on Tahoe and Suburban models in the fall of 2017. Inspired by aftermarket trends, virtually all chrome trim has been eliminated for a street performance appearance. Changes include body-color grille surround and door handles; gloss-black grille and mirror caps; black roof rails, window trim, badging and Chevy bowties. RST also includes exclusive 22-inch wheels wrapped in Bridgestone P285/45R 22 tires.
      Available upgrades for Tahoe and Suburban RST include a Borla performance exhaust system that offers a 28 percent improvement in exhaust flow, for a 7-10-horsepower gain at the rear wheels. An available brake package features massive front red Brembo six-piston, fixed aluminum calipers with brake pads clamping on larger-than-stock 410 x 32mm (16.1 inch x 1.3 inch) Duralife rotors coupled with a 84 percent increase in brake pad area and a 42 percent increase in rotor area to increase system thermal capacity. Duralife™ rotors feature a hardened surface to reduce corrosion and provide quieter braking with less vibration.
      The Tahoe RST will also be offered with an exclusive Performance Package that includes Magnetic Ride Control with performance calibration, 6.2L V-8 and the new 10L80 10-speed automatic transmission.
      This is the first time Tahoe will offer the 6.2L V-8, which delivers an estimated 420 horsepower and 460 lb-ft of torque. The engine features three state-of-the-art technologies — direct injection, Active Fuel Management and continuously variable valve timing — to make the most of power, torque and efficiency across a broad range of operating conditions.
      The 6.2L V-8 will be paired with an all-new 10-speed automatic transmission. With smaller steps between each ratio, the transmission maximizes engine power under acceleration. With a wide 7.39 overall gear ratio spread and lower numerical top gear ratio, the transmission also improves efficiency by reducing engine revolutions at highway speeds.
      Based on preliminary estimates, the Tahoe RST Performance Package will offer a towing capacity of 8,400 pounds and the truck will be cable of 0-60 mph acceleration in less than 6 seconds. Full performance metrics will be announced closer to launch.
      Magnetic Ride Control is an active suspension that “reads” the road every millisecond, triggering damping changes in the electronically controlled shock absorbers in as few as 5 milliseconds. As a result, the suspension delivers both improved body-motion control during cornering and a more comfortable ride while cruising. The new performance calibration included in the Tahoe RST Performance Package increases body control for even higher levels of responsiveness and comfort.
      “When you want to hustle, it is incredibly fast, with significantly higher levels of acceleration, braking and road-holding grip,” said Eric Stanczak, chief engineer for Chevrolet full-size trucks. “When you want to relax, it is very refined, with exceptional ride comfort and interior quietness.”
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