The Boss 429 was Ford's answer to Chrysler's 426 HEMI that dominated the NASCAR series following Ford's attempt to get its 427 SOHC engine approved for use. Much like the Boss 429 was developed ...

The Boss 429, on the other hand, rolled off the assembly line so that Ford could use the then-new 429-cubic-inch (7.0-liter) V8 in the NASCAR-spec Talladega. Based on the 385-series V8 (also ...

To make the Boss 429 legal for NASCAR competition, Ford had to homologate the engine into at least 500 street cars every year. For that honor Ford chose the Mustang, even though the Mustang never ...

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 ...

"We even looked at the original-style, NASCAR-style intake and while ... Late Boss 429s There were two versions of the Boss 429 production engine, both rated at 375 horsepower.

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

Blue Oval engineers had been working on the Boss 429 engine for the Galaxie. Knudsen told them to scratch that and instead figure out a way to cram that massive NASCAR V8 into the Mustang.

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.

Like many engines of the muscle car era, the Boss 429 was originally developed as ... "We even looked at the original NASCAR-style intake, and while it appears impressive, it's totally wrong ...

Like many engines of the muscle car era, the Boss 429 was originally developed as ... "We even looked at the original NASCAR-style intake, and while it appears impressive, it's totally wrong ...