The age of muscle cars peaked as the 1970s began -- and the 1970 Chevrolet Chevelle SS 454 helped to herald the ascent. When GM lifted its displacement ban on midsize cars, Pontiac, Olds, and Buick responded with 45...

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The age of muscle cars peaked as the 1970s began -- and the 1970 Chevrolet Chevelle SS 454 helped to herald the ascent. When GM lifted its displacement ban on midsize cars, Pontiac, Olds, and Buick responded with 455-cid mills with up to 370 bhp. Chevy's retort was a 454-cid V-8 that started at 360 bhp and ended at a barbaric 450. This was the muscle car summit. Now check out that Nice Ass!