Which of These Classic Muscle Cars Do You Think is Best? 10 of our favorites are listed here. Let us know what you think. 1967 Shelby Mustang GT500 355 Horsepower with a 428-cubic-inch Police Interceptor engine. 1966 Shelby Cobra 427 500 Horsepower by shoehorning a mammoth Ford 427 engine. [quads id=”9″] Facebook Twitter Pinterest Page 1 of 5Previous 12345Next See more Previous article If You Were On This Road, Which Car Would You Choose? Next article Watch as This Crew Tears Apart and Rebuilds a Jeep in Minutes Written by OldCarNutz