There may not be any other Pontiac engine that harbors as much mystique as the Super-Duty 455. Introduced in '73 as a maximum-performance effort capable of sustained 6,000-rpm operation, it was ...
It's difficult to grasp how an engine can generate enthusiastic buzz more than 40 years after its inception, but mention Pontiac's Super-Duty 455 and some Firebird fanatics get wide-eyed while others ...
The Super Duty designation dates to Pontiac's successful early 1960s efforts in NASCAR and the NHRA, but it lay dormant for almost a decade. By 1970, the division's street machines, although wildly ...
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