GM Now Actively Testing Corvette C8 ZR1
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The eighth-generation Chevy Corvette C8 lineup continues to expand, with the “base model” C8 Stingray and track-ready C8 Z06 set to be joined by the upcoming Chevy Corvette C8 ZR1. Now, GM Authority has learned from sources familiar with the matter that team Corvette is actively developing the Corvette C8 ZR1.
For those readers who may be unaware, the Corvette C8 ZR1 is slated to arrive as the “next level” of go-faster machinery under the eighth-generation Vette umbrella, slotting in above the Z06 as an ultra-high performer for both the road and the track. The engine, drivetrain, chassis, and exterior styling are all expected to reflect this designation, differentiating the Corvette C8 ZR1 from the rest of the C8 lineup.
Per GM Authority sources, the Corvette team is now running the Corvette C8 ZR1 in an integrated prototype form, conducting vehicle tests both within GM’s facilities, as well as out in the real world.
One of the most important updates will be for the engine, with the Corvette C8 ZR1 utilizing a twin-turbocharged variant of the 5.5L V8 LT6 engine currently equipped by the Corvette C8 Z06. Known as the LT7, this boosted powerplant is expected to feature a DOHC configuration and 32 valves, with output around the 800-horsepower mark and a substantial boost in torque to around 850 pound-feet. The twin-turbo 5.5L V8 LT7 will also feature a lower redline and flatter power curve as compared to the naturally aspirated 5.5L V8 LT6 gasoline engine in the C8 Z06.
Further upgrades will likely include a more capable tune for the Magnetic Ride Control suspension, wider wheels and tires, larger brakes, and a more aggressive body design, all of which will add up to one very capable performance machine. Also expect high-tech bits like active aerodynamics, plus further light-weighting efforts as compared to the rest of the C8 Corvette lineup.
As for a release, expect the Corvette C8 ZR1 to drop for the 2024 model year.
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I’d like to see GM put some of that wonderful trans programming to use in their trucks. The way they are now it is a disaster with torque converters grenading left and right on the 6 speeds, the sloppy shifts on the 6, 8 and 10 speeds and it only took them 17 years to figure out that a 190 degree thermostat in the transmission was too hot. Even my Allison 6 speed shifts slow and slips under part throttle. If I floor it it shifts ok but that is abuse in GM’s eyes. I’ve taken it to numerous dealers and the mantra is “it’s normal”. If I get it tuned then I lose my warranty. UGH!
ZR1, Z06 who cares? More chance of snagging Big Foot than either of these two any time soon.
I don’t want one “soon”. That would be a big mistake. Let others do the “field testing” on a “clean sheet” engine. I can wait for a couple of years. Patience will pay off. I have other interesting cars to drive in the meantime.