Quote:
Originally Posted by stangcharger
most built 4.3L motors produce 250-260rwhp
heads and intakes are just ported. when an after market comes out for heads and intakes it will prolly hit near 300rwhp. one guy is trying right now.
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wait. 300rwhp from the 4.3 alone? including the stage 3 heads, cam, and ported upper/lower of course.