ZR1 top speed

When we got behind the wheel of the 638-hp Corvette ZR1, we were pleasantly stunned at the raw, violent pull exhibited by the 3,364-lb supercar. Motor Trend was equally impressed during a recent trip to Chrysler's Arizona proving grounds ...

General Motors, Chevrolet and the Corvette team are clearly proud of the power ratings they just announced for the Corvette ZR1. With its LS9 V8 producing 638 horsepower and 604 pound-feet of torque, you would expect the most powerful Corvette ever to be the fastest as well. And you'd be right. On ...