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Originally Posted by deuce_454
its right arround 620+fwhp with carefull tuning.... i think you should look into some better flowing heads to take advantage of that cam and big bore... AFR 325, Pro-filer 320, or Pro Toplines are all worth atleast 30-50 horses over the gmpp heads.. or have the heads ported.. you want intake flow numbers in the 380-400 range for that engine and cam (IMHO)
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Ya, I have already decided that a head swap would be in my near future.