What is the top speed of a Chevy Chevelle LS6 454?
There was no Chevy Chevelle LS6 454. Chevrolet produced an LS6 engine, it was a 454 cubic-inch V8 found in the 1970 and 1971 Chevrolet Chevelle SS. The LS6 engine was rated for 450 horsepower at 5600 rpm and 500 lb-ft of torque at 4000 rpm. The top speed of a Chevelle SS 454 LS6 is estimated to be around 125 mph.