Modifying a Corvette is a simple affair. Simple, that is, if you know how to add the right parts to your Vette-or if you count on an expert Corvette shop to "do the math" for you. Tommy Calhoun entrusted his '05 Corvette to Altamonte Springs, Florida's Next Level Performance, and he ended up with a twin-turbocharged LS7-powered Vette that twisted the dials on NLP's chassis dyno to over 855 horsepower.
2005 856 RWHP Twin-Turbo LS7-Powered Vette - Corvette Fever Magazine