Palm Beach Dyno and Signature Speed push the 991-hp C8 Corvette ZR1 to 1,170 hp with early tuning, downpipes, and MS109 fuel.

With an official output of 1068 horsepower and a top speed of over 230 miles per hour, the new C8-generation Chevrolet Corvette ZR1 is a truly ridiculous machine on paper. (And, as we found during our ...

Texas-based performance tuner Hennessey has released fresh footage of a stock Corvette ZR1 strapped to a Dynojet, giving us a look at some real world numbers for Chevy’s twin-turbo monster. Just ...

The Corvette ZR1’s 5.5-liter LT7 twin-turbo V8 may actually produce nearly 1,200 hp. If the ZR1’s engine delivers that much power, the ZR1X could reach up to 1,350 hp. According to Chevrolet, the new ...

The punchiest combustion-only production Corvette of them all makes an incredible 1,064 horsepower and 828 pound-feet (1,123 Newton-meters) at the flat-plant crankshaft of its 5.5L twin-turbo V8. Or ...

The arrival of the C8 Corvette ZR1 signifies to the world that Chevy can kick it with the best of them, but even with a four-figure horsepower claim, aftermarket tuners will never be satisfied. Now ...

According to Chevrolet, the new Corvette ZR1’s twin-turbo 5.5-liter flat-plane crank V8 delivers 1,064 hp and 828 lb-ft of torque. That’s enough to blast it to 60 mph (96 km/h) in 2.3 seconds and down ...