The cars, a third-year redesigned Mustang GT 390 and a freshly minted Camaro RS/SS 350, could’ve competed in round one of an ...

According to the accompanying Hot Rod article, the upgraded motors were good for 350 horsepower after the cam swap alone—or about the same amount you got from the L84 package engine in 1963, and that ...

An oil crisis, tightening emissions controls, and the simple fact that people had less money in their pockets meant that the ...