Throughout the 1960s and early 1970s, American muscle cars kept pushing the boundaries of performance, but by the mid-’70s, ...

Plymouth sold only 658 Road Runner convertibles in 1970. This drop-top is one of only 20 equipped with the 440 Six-Barrel and four-speed manual.

This high-impact Mopar still has its original interior, but the factory 383-cubic-inch V8 is long gone. The engine bay isn't ...