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

What killed horsepower in the 1970s and 1980s? While the common consensus is 1972, the truth is that the real date depends on ...

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.

Plymouth 'Cuda, whose original engine is no longer under the hood, hopes the upgrade to a bigger unit isn't a reason to walk ...