According to Justin Nohe, who is the Corvette reporter at Torque News, 2020 C8 Corvette Z06 is Getting a Flat Plane Crank Twin Turbo V8 Engine.

"The dust has barely settled on the base 2020 C8 Corvette Stingray, but new leaks have come out and shown the C8 Corvette Z06 will, in fact, be getting a flat-plane crank with a twin-turbo setup."