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, both ...

Developed during the late 1960s to one-up Chrysler and its fearsome 426 HEMI in stock car racing, the Boss 429 didn't quite reach its goal. Nevertheless, it was a marvelous brute of a V8 that became a ...

It wasn’t built to be a boulevard cruiser or a poser’s muscle car. The 1969 Mustang Boss 429 came to play hardball.

Introduced in 1964 as a pony car, the Ford Mustang developed into a fully-fledged muscle car in just a few years. Following the introduction of the Cobra Jet engine in 1968, Ford rolled out three more ...

This listing offers a 1969 Ford Mustang Boss 429 along with a spare Boss 429 big-block V8. Produced only for 1969 and 1970, the Mustang Boss 429 was created to house Ford’s 7.0-liter (429 cu in) ...

Ford introduced the 385 big block V8 engine series in the late 1960s as it phased out the MEL (Mercury Edsel Lincoln) big block design. The 385 big block, named for the 3.85-inch crankshaft stroke ...

A listing on Auction123 features a 1969 Ford Mustang Boss 429, one of the rarest high-performance variants of the first-generation Mustang. But what makes this example even more intriguing is that it ...