Pontiac unleashed its fair share of engines across its storied history, though some never made it to the heights their ...

The Pontiac division was established by General ... This applies to 350,400, and 455 cubic inch engines only. 326, 389, and 421 inch engines had no such markings. [Featured image by Mr. Choppers ...

The 326 looked much like the 389, only with smaller pistons and a light crankshaft. The 326 was the inaugural base engine for the Pontiac Firebird's debut, supplying it with 250 horsepower ...