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Re: can a GM 5.3 L hold 500hp??? are the internals forged at all?
check out performancetrucks.net and chevytruckworld.com.... lots of people running turbo/ supercharger applications on stock trucks. ive got a 6.0l in my 03 chevy 1500hd and its a really strong engine on a custom tune.
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70 longbed
496/th400/Ford 9"
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