A 1963 Chevy Corvair at the 2011 Helderberg Mountain Nationals....

A 580 horsepower supercharged 2003 Ford Mustang SVT Cobra. The Cobra was an extremely popular limited-edition upgrade built from 1993 until the end of the New Edge body style Mustang in 2004. Engine was a tuned-up supercharged version of the GT’s 4.6 liter modular V-8 producing 390 horsepower from the factory.