In the 1960s and 1970s, Chevrolet and Pontiac both offered a pushrod V8 engine with an advertised displacement of 400 cubic inches. Considering that both carmakers are (were?) sub-brands of parent ...
The 1967 Pontiac GTO marked a turning point for muscle car engines, with a new 400-cubic-inch V8 that came in several distinct performance flavors. For enthusiasts trying to decode the difference ...