Corvette ZR1 battles 750whp Whipple Shelby GT500

Corvette ZR1 battles 750whp Whipple Shelby GT500 (*ZR1 dynoed 600 whp on a heartbreaker mustang dyno) ZR1 mods: Air filter, tune, headers, pulley, injectors, E85, drag radials, Driver mod ;-) Shelby GT500 mods: full bolt ons, , e85, drag radials