Due to stricter government regulations, the era of unrestrained factory-built performance was coming to an end in 1971. However, GM's excitement division answered with the largest displacement engine ...

Pontiac was never good at letting go. Even as emissions strangled Detroit’s horsepower culture, the division that built the GTO refused to surrender quietly. And in 1975—against logic, policy, and ...

Most of Detroit’s great big-block muscle machines have soared into six-figure auction stardom, yet one of the most iconic of them all remains surprisingly attainable. Coming out of the General Motors ...

Since the beginning, terms like Ram Air, High Output, and Super Duty have been synonymous with hard-core Firebird performance. But in 1975 the Trans Am became another victim of emissions standards and ...

Pontiac was a bastion of performance during the last days of the muscle cars from 1972 to 1974. While other brands made do with strangled, low compression engines, Pontiac figured out how to sustain ...