Its roots can be traced way back to the '50s.
A stock-based GM 4.3L V6 shocks the dyno with 1,400 horsepower at 33 PSI, proving this twin-turbo truck engine is far stronger than expected.
Here’s the inside story on the acceleration, braking, and handling performance of the granddaddy Corvette, the all-wheel-drive ZR1X.
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