First introduced in the '70s, the 7.5-liter Pontiac 455 V8 would be used in many of the company’s models, such as the Grand Prix and Firebird. Unfortunately, like most V8 engines of the era ...
However, the important event that gearheads hold dear to this day is the final curtain of the 455 Trans Am ... Between 1971 and 1976, the biggest Pontiac engine ever installed in passenger ...