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.

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 ...

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 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 ...

chief among which is the 385-based 429 engine. Chassis number 0F02Z109085, which bears Kar Kraft serial number KK2131, is overly collectible due to its history and condition. This Boss Nine was ...

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 ...

which packed a 429-cubic-inch V8 built to take on the Chrysler Hemi engines that dominated NASCAR at the time. Underrated at around 400 horsepower and enhanced with other racing tech like an ...

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 ...

Ford unveiled the Boss 429 in 1969 after NASCAR had disallowed its 427 single overhead cam motor. Decision makers inside Ford were tired of getting whupped in NASCAR competition by Chevrolet's ...