In the truest sense of the word, no automobile engine actually has a fully hemispherical combustion chamber. However, ...

Few rivalries in American automotive history are as storied and intense as that between Ford's Boss 429 and Chrysler's 426 Hemi engines. The big-block powerhouses epitomize the pinnacle of ...

In response to Chrysler’s racing 426 Hemi engine during the 1960s ... was capable of nearly 400 horsepower, Ford built the improved Mustang Boss 429 to take dominance away from Chrysler on ...

Is this the rarest Boss? An all-aluminum Can-Am 429ci. Tasca Ford owned the street with this car. Bring on Hemis and SS 396 Camaros. As one of six pre-production 1969 Ford Mustang Boss 429s ...