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    What props do you have on a Gulfstream with twin Yamaha 115's

    OK, I already know that everyone feels that a 232 with twin 115's is under powered. That said, that is what I have and I am not buying new motors. I have a 1991 232 with Yamaha F115's. Current props are Mercury Vengeance 13.5 X 18's and I m getting 5800 rpm at around 33 kts. Can anyone with a...