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 ...
Introduced in 1969 as Trans Am and NASCAR homologation models, the Ford Mustang Boss model series initially proposed two engines: a small-block 302 and the colossus 429. While the former sold over ...