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Why the Sierra Classic 454 became GMC’s heavy hitter
Collectors chase the GMC Sierra Classic 454 because it captures the last gasp of big-block torque in a square-body truck.
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Why the SP 454 remains one of GMC’s wildest moves
GMC’s Sprint SP 454 arrived during Detroit’s peak muscle era, yet it slipped into obscurity while its Chevrolet cousin stayed ...
The early 1990s were a great time if you were a muscle truck fan, with the release of the 1990 Chevy 454 SS and the 1991 GMC ...
General Motors is responsible for several of the most reliable gasoline motors ever built. The company's various brands — including GMC, Chevrolet, and Buick — have each produced some of GM's most ...
Introduced in 1970, the Chevy 454 — affectionately known as the Rat Motor – was the largest displacement Chevrolet engine to enter the big-block engine showdown of the muscle car era. At 454 cubic ...
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