Callaway has been making production cars faster since the 1970s with a special focus on Corvettes . The company’s latest beast is this 2014 C7 Stingray SC627 modified with a supercharger and an innovative intercooler setup for maximum thermal efficiency. Jumping right to the good stuff, the supercharger pushes the 6.2-liter, small block V-8 to 627 horsepower and 610 pound-feet of torque. What’s more, those numbers are SAE certified. In comparison with the stock LT1 V-8, the SC627 Vette makes 167 more horsepower and 145 more pound-feet of torque.
Callaway does this by not only throwing a supercharger in the LT1’s vee, but also by keeping temperatures in check. The system uses three liquid-to-air intercoolers and a totally revised air intake system help keep things cool under heavy throttle. Callaway’s supercharger also extends past the hood, allowing for generous airflow over its top. Not to mention its size wouldn’t fit under the stock C7 hood.
The 2.3-liter supercharger has a high helix angle in a four-lobe rotor pack for compressing incoming air. A new long-runner manifold helps increase the LT1’s mid-range torque. This helps the engine make an impressive 500 pound-feet of toque at only 2,200 rpm. Its full torque peak of 610 pound-feet happens at 4,400 rpm, well within the engine’s usable rev range. For the full 627 ponies, the LT1 needs to rev to 6,400 rpm. If you’re keeping score, that’s only 23 horsepower and 40 pound-feet less than the upcoming Corvette Z06 .
Performance comes at a price, though, and the Callaway’s supercharger package starts at $22,995 – not including the cost of the stock C7 Stingray .
Click past the jump to read more about the Chevrolet Corvette SC627 By Callaway Cars.