Drives: 05 Grand Am GT
Join Date: Jul
Location: Niagara, Canada
Originally Posted by mkorgan
I thought I read somewhere that the z/28 had lighter, thinner axles that the zl1. I think it was to save weight and the z/28 was not designed to take the abuse of launching a car at a drag strip as is the zl1. To me, this is one of the reason I believe the zl1 is a more well rounded car compared to the z/
The Z/28 will have a lighter setup than the ZL1, but it also has less power & weight to deal with so it doesn't need to be as strong. I don't know if the Z/28 drivetrain will be 'too delicate' to drag race (many think it is though), but its probably safe to say that it would never be considered 'overbuilt'.
Note, if I've gotten any facts wrong in the above, just ignore any points I made with them
Originally Posted by FbodFather
My sister's dentist's brother's cousin's housekeeper's dog-breeder's nephew sells coffee filters to the company that provides coffee to General Motors
and HE WOULD KNOW!!!!__________________
Camaro Fest sub-forum
1, HP Chevrolet Camaro ZL1 Sets 1/4-Mile World Record, Destroys Dodge Demon
To be more precise, the Chevy managed to pull multiple s passes, with its highest trap speed sitting at mph - this means it is both the quickest (acceleration) and fastest (maximum velocity) machine of its kind.
Oh and the time also means that the ZL1 were looking at can leave the Dodge Challenger SRT Demonbehind - the pony Mopar machine needs s to complete the 1, feet sprint, hitting a maximum velocity of mph. Both machines values involve the use of drag radials, but we need to discuss the wheels of the two sprinters. While the Demon skips the Hellcats inch wheels for inch rollers, this Camaro features its factory inch units.
Well remind you that the list of mods fitted to liter V8 monster is topped by a Procharger F1A (think: belt-driven turbo). Other custom goodies include a billet intake manifold, a custom camshaft, CNC ported cylinder heads, Kooks 2-inch long tube headers and a methanol injection system. Going past the engine compartment contents, well mention the 1-inch lower springs of the ZL1.
"There is another two to three tenths left in this combo, but we ran out of time and were taking "baby steps" with this new A10 transmission," Vengeance Racing, the aftermarket specialist behind the build, explained.
This, ladiesn and gentlemen racers, obviously means that we might just hear from this crazy Camaro again and we cant wait to see it in action.
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 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 second elapsed times in a production-based model. The COPO Camaro offers the first look at the factory-built race car program for
“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 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 + 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 horsepower — and about 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 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, 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 foot time significantly and thereby improved the quarter-mile elapsed time.
The best performance to date includes:
- foot time of seconds
- Eighth-mile time of seconds at mph
- Quarter-mile time of seconds at 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 mm, 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 inch rear racing wheels and slicks.
While the production Camaro SS features 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.
COPO Camaro show car
The COPO Camaro program extends the production legacy that was re-started in and based on the special-order high-performance Camaro models created in to win on the drag strip.
Chevrolet’s COPO Camaro show car — serial number 01 of 69 — was introduced today and features a supercharged 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 , with proceeds to benefit United Way.
Like the previous editions, the 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 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 (L), a naturally aspirated (L) engine and an LT-based, direct-injected (L) engine. The engines are backed by an SFI-approved ATI TH 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 COPO Camaro race cars must register at Chevrolet.com/COPO by Dec. 15, An independent third party will randomly select from the pool of interested customers. Those selected will be contacted in the first quarter of
Enthusiasts can also follow updates on the COPO Camaro program at theBlock.com.
The Camaro SS Drag Race Development test car and COPO Camaro show car are part of approximately 20 Chevrolet models on display this week at the SEMA Show.
Follow the action at ChevySEMA.com, #CHEVYSEMA and @ChevroletPerformance on Instagram and Facebook.
Founded in in Detroit, Chevrolet is now one of the world's largest car brands, doing business in more than countries and selling more than million cars and trucks a year. Chevrolet provides customers with fuel-efficient vehicles that feature engaging performance, design that makes the heart beat, passive and active safety features and easy-to-use technology, all at a value. More information on Chevrolet models can be found at www.chevrolet.com.
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Their eyes. Continuing to take measurements in the girth, the referee added them to the old results, and the audience was still bursting into thunderous applause. And again, it was not his simpotage that won. The winner was the participant number three with a result of 18.
4 z28 mile 1
Weight 200 kg and 7 sizes er chest, big belly. she was wearing a black skirt, a white shirt. a vest. and a red tie.2000 Z28 Camaro 1/4 Mile Times (Stock)
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