When Tadge Juechter and the rest of the Corvette ... of the 8L90 eight-speed automatic. Before any purists cry foul, the Z06 is still offered with a seven-speed Tremec transmission, yet the ...

The available 8L90 transmission is based on the same eight-speed automatic that will be offered on the supercharged 2015 Corvette Z06, but with unique clutch and torque converter specifications ...