The Boss 429 and 429 Super Cobra Jet V8 engines rank as some of the most powerful engines ever put in the Ford Mustang. In fact, if we limit our discussion to first-gen Mustangs, these engines ...

Ford built the improved Mustang Boss 429 to take dominance away from Chrysler on the race track. The engine would have a limited production run of only two years, but Ford did well with the Boss ...