05-08-2008, 01:38 PM
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God
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Join Date: Mar 2007
Location: Savannah
Posts: 4,971
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Quote:
Originally Posted by THEFERMANATOR
You'll most likely need a jack plate or similiar to raise your transom up. A 20" transom is normally closer to 22" and a 25" will be 25-27" from what I have seen. A 20" shaft engine on a 25" transom would cavitate SEVERLY with a standard prop. So you most likely currently have a 20" transom. Many people cut the 25" down to a 20 because there engine is a 20". Just make sure that your cap is solid, I just replaced the aluminum cap on my HYDRA last week.
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Jack plate 
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'75 Cuddy with '00 Johnson Ocean Pro 150 horse
Benny
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