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How much horse power can a stock 05' 4.6 mustang gt block hold?
My main question is how much horsepower can a stock 2005 4.6l Mustang GT engine BLOCK hold? I know the internals WILL NOT LAST with the horse power im am trying to put down.. I was thinking of going with a livernois motorsports forged internal package, a kenne bell mammoth @ 25 psi, stock ported heads, performance gaskets, and a whole other supporting mods hoping to make 750-800 RWHP
I've seen some go over 800 rwhp. check out rpmoutlet.com. they've got one at 746 rwhp, stock block.
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