Reputed YouTube mechanic tests a freshly built 460-cube LS6 V8; the motor’s Achilles’ heel is a tiny piece nobody noticed being blocked off ...
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Here's How The Chevy 454 V8 Compares To Pontiac's 455 V8Famously featured under the hood of the 1970 Chevy Chevelle SS 454, the 454 V8 is a big-block engine that helped ... The Pontiac 455 used a cast iron intake manifold as opposed to Chevy's 454 ...
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