When it comes to American muscle, the Chevy 350 and Pontiac 350 engines have been at the heart of some of the most iconic ...

As a result, per the experts at Speedway Motors, the Pontiac and Chevrolet 350 V8s "share almost no interchangeable parts. These two V8s have different engine block castings, different head designs ...

When Chevrolet introduced its 350 cubic-inch small block engine in 1967, it started a phenomenon that lasts even today. Pontiac's 350, introduced in 1968, never saw the same success and was phased out ...