The twin-turbocharged version of Hennessey’s HPE700 Corvette Stingray kit has already proved its mettle—but what about the supercharged version? You’re about to find out.
MUST SEE: Volkswagen Anti-Texting Ad Is Brilliantly Simple, Incredibly Frightening: Video
Taking the route GM decided to take for its own super-hot Corvette, the 650-horsepower, 650-pound-foot 2015 Z06, Hennessey straps a supercharger on the nose of the 6.2-liter LT1 V-8 engine to upgrade the 455-horsepower stock output.
So how strong is the new Hennessey HPE700 supercharged Stingray? It puts 610 horsepower and 557 pound-feet of torque to the wheels. That’s a bit more lopsided than the perfectly symmetrical Z06’s figures, but the shapes of the curves are very similar—torque is nearly a plateau, and horsepower just keeps rising to redline.
READ: 2015 Chevy Corvette Z06: 650 hp, 650 lb-ft, Most Powerful GM Ever
Who says a cam-in-block pushrod V-8 is ancient technology? Who cares if it is?