In the past, Rumors have suggested that the 2022 Corvette Z06 will have a twin-turbo engine midship. However, a new report indicates that the engine won’t have turbos after all. The Z06 will use a naturally aspirated 5.5-liter flat-plane twin-cam V-8 engine that revs to 9000 RPM according to this new rumor.

The turbo version of Corvette V-8 will be used in an even more potent version, perhaps a refreshed ZR1. That is an extremely high redline for a larger displacement V-8 engine and should make for a fantastic soundtrack to go along with the car’s performance. Motortrend speculates the Z06 could produce as much as 625 horsepower with around 485 pound-feet of torque.
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https://www.slashgear.com/rumor-says-2022-corvette-z06-will-get-a-high-revving-naturally-aspirated-v-8-29635573/