Re: 18' with Merc 115 (1988 Both of them) Best Pr
What is your current max rpm with your current prop (before it was mangled) What model is your current prop, Mercury/Quicksilver Black Max?
I need more data, then I can help.
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Common Sense is learning from your mistakes. Wisdom is learning from the other guy's mistakes.
Fr. Frank says:
Jesus liked fishing, too. He even walked on water to get to the boat!
Currently without a SeaCraft 
(2) Pompano 12' fishing kayaks
'73 Cobia 18' prototype "Casting Skiff", 70hp Mercury
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