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  #1  
Old 10-19-2020, 08:26 AM
Old'sCool Old'sCool is offline
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Join Date: Jun 2006
Location: Charleston, SC
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IMHO, the determining factor for engine height is "where is the anti-cav plate when running"? Hard steering may be a result, but where is the AC when running? A video would help.
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  #2  
Old 10-19-2020, 09:37 AM
Bigsean Bigsean is offline
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Join Date: May 2019
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Olds cool 😎 I totally agree.. but the amount of trim I can put on the engine without prop slipping is also telling me that I am too low with the engine.. but that’s my opinion... I will supply a video this upcoming weekend.. thanks
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  #3  
Old 10-27-2020, 08:16 AM
kmoose kmoose is offline
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Location: Ocala, Florida
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After years of being obsessive in motor height adjustments and propping I have come to the conclusion that I start with the motor as high as I can mount it. It is easy to determine if you are too high by just putting the hull into turns. If it is anything over a slight cavitation... It is too high. Starting lower than that never lets you know you have hit the sweet spot if you just settle with the hole in-between that seems to be good.

Since the highest mounting height with good traction is the best performing and most economical... Highest available is the best starting point.
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  #4  
Old 10-27-2020, 10:33 AM
Capt Terry Capt Terry is offline
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Join Date: Jan 2015
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Default Kmoose’s Engine Height

As usual Kmoose’s advice is sound and cuts to the chase- start high then go lower if need be. As Bushwacker remarked the dealers always seem to mount them too low.
It occurred to me after posting my AV plate video that my usage is on lakes, those of you in rougher stuff might need it lower. With my High Five 5b prop, I have no cavitation in tighter turns in testing than I would normally attempt. Once height is correct check your prop RPM at WOT. Dealer started with 21p, I am at 17p now.
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