If you've ever heard the term "tri-five Chevy" and wondered what it meant, don't fear the secret handshake—it's just a real simple way to group three consecutive model years together in one breath. It ...

John Scialpi's blown 1957 Chevy and Dave Riolo's 1955 Chevy square off in 1988 at Sears Point in Sonoma, California. Their "prostalgia" antics would morph into what we now call Pro Mod race cars. The ...