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 ...

Introduced in 1969 and retired in 1970, the Boss 429 was Ford’s special engine that needed to be sold in standard passenger cars in order to be allowed to race in NASCAR. The moniker is synonymous ...

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 ...

A recent Bring a Trailer sale offers a pointed reminder that the market for classic American muscle remains strong, even as some enthusiasts claim interest has cooled. A 1969 Ford Mustang Boss 429, ...

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 further ...

Perception and reality are often widely disparate things. 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 ...