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Old 12-26-2020, 09:54 AM
MAStuart MAStuart is offline
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Join Date: Mar 2009
Location: Mendota, IL
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Jim If your heads are the small ones and they really flow those numbers and are not ported yet. They flow more than you need in the HP level that you are at. Just a thought the higher you spin an engine the fast it will need to be rebuilt. At one time I could not spin an engine high enough or put a low enough gear in the car. I was a RPM freak! Nothing like the sound of an engine at 8000+. But they dont last long. Now days you can build plenty of power and there is no need to spin them over 6500. Less RPM's same power = less gear same speed = less engine wear. Now days I dont spin them as high but go faster than I used to spinning them real high. My engines last much longer
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