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 ...

Engineering the 429 was no small feat. The engine was so wide that Ford couldn't assemble the cars entirely in-house. Partially built Mustangs were shipped to Kar Kraft, Ford's specialty ...