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Something to think about here guys. So-called 300cfm head flows [Email]300cfm@.700[/Email] or maybe .750 not .500 or .550 lift. The cam determines your usable cfm range.



I was thinking something similar , what lift is that 300cfm number at ? The more important numbers are the low lift flow numbers on a street type build, it only sees peak lift once and all the other lifts twice ...