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 concrete apron flowing from the doors of Jon Kaase's shop sparkles in the stupefying Georgia sunlight. A million bright bits of aluminum are a sure sign that race season is in full swing. On the ...

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 ...

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 ...

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 ...