Like most things related to the muscle car era, the Plymouth 440 Super Commando big-block V8 engine roared to life in the late 1960s and faded away in the early 1970s. Chrysler produced standard ...
440 Super Commando, and 426 Hemi, with horsepower ratings from 330 to 425. The most significant performance gap occurred between the high-output 375-horsepower 440 and the 425-horsepower 426 Hemi. In ...