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Motor is closed and running 20.6 psi of boost on E85, on a road tune, that was done for a previous built motor. This motor was supposed to be a temporary motor, however this has been my temporary motor for over 2 years.
I went to a dyno day recently and it turned out my car made 455 almost 456 rwhp and almost 350 lb-ft. Seeing how I been at this power level for some time, And how fuel richens up a bit after 7,000 rpm I think there is room for more power if fuel leans just a bit up top, and perhaps find if timing is ideal or if it can be advanced even more.
I wonder has anyone done 500 rwhp or over in stock headgasket and bolts? I know for sure of one car with over 450 in my personal experience this has turned out to be reliable. But I can't help but feel that I may be pushing my luck, if I go further.
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