Twin-Turbo Corvette C8 Hits The Dyno, See How Much Power It Makes


Texas-based Hennessey was among the first to grab the keys of a 2020 Chevrolet Corvette C8 production car and it didn’t take too long for them to complete a twin-turbo conversion. As you all know, the mid-engined sports car is equipped with a 6.2-liter V8 engine delivering 495 horsepower and 470 pound-feet (637 Newton-meters) of torque provided it has the optional Z51 performance package adding an extra 5 hp and 5 lb-ft (7 Nm) over the base model.

Those official output numbers quoted by Chevy are available at the crank, with the tuner mentioning its car had 466 hp and 451 lb-ft (611 Nm) at the rear wheels when the LT2 was still in its standard naturally aspirated form. Following the twin-turbo conversion, the first Corvette with the engine behind the seats now pushes out 643 hp and 570 lb-ft (773 Nm) at the wheels, representing an increase of 177…

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