5.3 to 383
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5.3 to 383
im building a 383, ive got my rotating assembly on the way, i plan on spraying the **** out of this engine, like a 250 to 300 shot, im expecting 500 whp before the shot. this is using my aluminum block. my question is... would i be better off using a 5.3 block? not worried about the weight, just the strength, any help would be apprieciated