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 ...

When General Motors divisions started building V-8 engines for their cars in the early to mid-1950s, each division had its own line of engines. As a result, engines of the same displacement sometimes ...

GM divisions Pontiac and Chevrolet each produced 400 cubic-inch small-block V8s with similar bore-to-stroke ratios. Ford made one as well, but its block was very different from Chevy's in nearly every ...