The 1971 Pontiac Trans Am fitted with the 455-cubic-inch V8 arrived at a turning point for American performance. Compression ratios were dropping, insurance rates were rising, and federal regulations ...
The 1971 Pontiac Trans Am 455 HO arrived just as muscle cars were being choked by new emissions rules, rising insurance premiums, and a shift toward smaller, thriftier machines. Instead of retreating, ...
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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