Pontiac's 455 ci V8 engine was its largest ever, ideal for muscle cars in the 1970s for torque and lower emissions. The 421 ...

For instance, General Motors once owned both Pontiac and Oldsmobile, and each company had its own distinct 455 V8 engine. You might think that GM would want to standardize across all its brands as ...

High power, or low weight? We're watching that all play out as a 1968 Oldsmobile Cutlass W31 and a 1972 Pontiac GTO 455 HO go ...

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 ...

Pontiac Firebird has been sitting for a decade and a half, but it still won't give up; the car is now listed for sale online ...