Like numerous other engines of the muscle car era, the Boss 429 was originally developed as a racing engine and subsequently detuned for the street versions typically required for homologation.

That couldn't be truer than with the legendary Boss 429 Mustang and the semi-hemi engine for which it was named. It is the darling of the Mustang collector world, and the mere mention of its name ...

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 ...

One of only five examples known to exist in this color combo, this 1970 Ford Mustang Boss 429 sold for over $600,000, setting ...

The well-documented characteristics of the mighty 429-cubic-inch powerplant lurking under the hood of the Mustang Boss 429 do not need another deep dive. A quick synopsis should suffice before ...

Ford developed two homologation specials in 1969, the Boss 302 and the Boss 429. The former was created for the SCCA Trans-Am series, where the Mustang was battling for track glory with the ...

When Semon “Bunkie” Knudsen became Ford’s president following his departure from GM, Blue Oval engineers had been working on the Boss 429 engine for the Galaxie. Knudsen told them to scratch ...

This will be the first official continuation of the legendary Boss 429 Mustang, which packed a 429-cubic-inch V8 built to take on the Chrysler Hemi engines that dominated NASCAR at the time.

That couldn't be truer than with the legendary Boss 429 Mustang and the semi-hemi engine for which it was named. It is the darling of the Mustang collector world, and the mere mention of its name ...

And thus one of the most outlandish engines Ford ever built was born: The Boss 429. The other version of the Boss motor, the 302, was quite successful as a road racer, and while the 429 also found ...