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Posting a reply to: RE: cavitation plate height at full speed

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Landry

Posted 9/7/2009 7:04 PM (#398293 - in reply to #398232)
Subject: RE: cavitation plate height at full speed

Posts: 1023

I have a 1650 Crestliner Fish Hawk with a 70 hp 4 stroke Johnson/Suzuki.
Right now the cav plate is 3 inches below the water at full speed. I have a great hole shot but could likely get better top speed and rpm's I think. I had heard that setting the proper height for your motor was step one - then changing props if necessary would be step 2.
I just went out to look at it and the cav plate is level/even with the keel or slightly below it - so at this height the transom would have to be out of the water completely for my cav plate to be on top. I am assuming that since the plate is 3 inches below water that I need to move it up 3 inches but is this correct? Maybe I should move it up 2 holes. The reduced drag may help it pop up higher than the 2" I need??
Thanks for the help guys!
Landry