Need Advice ..also posted in Prop Talk
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85 Scarab II Stock 375 hp 454's trs drives 1.5 ratio....Currently running 23p Mirages ....getting 55 mph on stock speedo....@ 4300 rpms.... I put a set of 23p Cleavers on it and got 60 mph and 4600 rpms ....My question is can i get more rpms and how much rpms is to much....