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    94 gulfstream prop question

    I raised my motors to 2nd hole,they were all the way down in first hole.I went up to 5000 rpm and 42-43mph.Still have room to go up as water still going over cavitation plate at cruise speed.What hole you gulfstream owners with dual motors and braket have your motors?I think I'm gonna try to go...
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    94 gulfstream prop question

    My 94 gulfstream has twins yamaha 150 saltwater series 2 stroke.Only getting 4800rpm at wot.Acceptable range is 45-5500,so I am at low end of that.I have Michigan Rapture 14.25 x 17 stainless props.Was told these have extreme cupping and they usually pull more rpms than a regular SS prop of same...
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    What props you have on

    Your 232 Gulfstream with twins?I have a 94 with twin yamaha 150 2 stroke.Little low on rpm at wot with Rapture ss 14.25 x 17.Heard the ruptures do have a lot of cup and typically run lower rpm than same size regular ss prop.What do you guys run?I get about 47-4800wot and about 38-40 mph.Book...