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 ...
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Why the 1972 Pontiac Trans Am 455 HO became a rare performance icon
The 1972 Pontiac Trans Am 455 HO arrived just as Detroit’s first muscle era was fading, yet it managed to capture the last ...
Fast Lane Only on MSN
The 1971 Pontiac Trans Am 455 delivered serious torque for its time
The 1971 Pontiac Trans Am fitted with the 455-cubic-inch V8 arrived at a turning point for American performance. Compression ...
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 ...
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