The Boos Nine Mustang remains a legend, but despite all the legends surrounding it, it was a mediocre muscle car in stock ...

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 ...

A 1969 Mustang Boss 429 with a 1,000+ hp Kaase 598 just sold for nearly $200K. Explore its history, upgrades, and whether ...

“Whos the !@#$% who did this,” thought Joe Flowers, examining a hatchet job done on his rare Boss 429 breather. He had just discovered that the Ram Air flapper on his newly purchased 1969 Boss 429 ...

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 ...

Sometimes acool performance carwill appear out of nowhere, after an automaker typically discovers that it can build something remarkable using readily available parts from some of its other vehicles ...