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 ...

Auction123 lists a 1969 Ford Mustang Boss 429 claimed to make 600 horsepower, and the sale also includes a spare Boss 429 ...

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 ...

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 ...

The old saying goes, "There is no replacement for displacement." While modern engine technology proves that logic is fundamentally flawed, it's still fun to remember the inexpensive gasoline and ...

For years, the '69-'70 Boss 429 lived in the shadow of its smaller sibling, the Boss 302. The Boss 302 was built for Trans-Am competition, and it acquitted itself well, winning the championship for ...

Among the endless parade of classic Mustangs that have made their mark, the Boss 429 sits in a league of its own. This isn’t just another fastback with a stripe package—it was a NASCAR-engineered ...

"Ohio George" Montgomery was racing long before the Ford Boss 429 showed up on the scene in 1969. He had raced at Bonneville as early as 1951, but became a legend in drag racing after building a light ...

The golden muscle car era was a fabulous period for many reasons. Dealerships were packed with high-performance rigs, and Detroit was rolling out drag-ready factory cars like it was nobody's business.

A restored 1969 Mustang Boss 429, built for NASCAR homologation and powered by Ford’s S-code V8, is set for auction.

Explore the Coyote V8’s development, all-generation updates, supercharged variants, and common issues that make this Ford ...