While that may seem like a major drawback, the two engines were intended to be used for very different things. The Pontiac 400 was a high performance muscle car engine. The Chevy 400, meanwhile ...

Pontiac's 428 V8 engine was a big upgrade in the 1960s, so much so that the manufacturer offered it in multiple classic ...

In the annals of promised super car performance, few announcements were as dead wrong as this one, but a few did sneak out ...

GM finally lifted its engine ban in 1970 ... and their cars deserve a shot in the modern performance age. The Ultra-Rare Pontiac 400 Ram Air IV Pontiac only produced the 400ci Ram Air IV V ...

Therefore, the Pontiac 400 was made as a high-performance muscle car engine, while the Chevy 400 was primarily used on pickup trucks.

The year was 1969, and if you wanted a Firebird, the first engine Pontiac was ready to ... respectively. The 1969 Pontiac Firebird 400 in these photos has been sitting for God knows how long ...