The Chevy 454 big block V8 is an iconic powerhouse in American automotive history, and it sat under the hood of some absolute GM classics.
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Here's How The Chevy 454 V8 Compares To Pontiac's 455 V8Today, the Chevrolet 454 and Pontiac 455 ... and even its biggest-displacement engines like the 455 used similar block sizes to the smaller ones. The Pontiac 455 debuted on the market in 1970 ...
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