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9.9hp to 15hp conversion done
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<blockquote data-quote="Pappy" data-source="post: 270441" data-attributes="member: 3278"><p>You mentioned there is still alot of boat in the water. If you move the trim pin in you will have even more in the water! You have to raise the engine and take speed and RPM measurements at that height and move the trim pin in and out at each height point. Only then will you know what the boat/engine likes. This is time consuming and everyone likes instant results......up to you! </p><p>When your RPM goes up and the speed stays the same you are done (height wise). Beyond that you are just increasing slippage. There are stainless props you can explore as well.</p></blockquote><p></p>
[QUOTE="Pappy, post: 270441, member: 3278"] You mentioned there is still alot of boat in the water. If you move the trim pin in you will have even more in the water! You have to raise the engine and take speed and RPM measurements at that height and move the trim pin in and out at each height point. Only then will you know what the boat/engine likes. This is time consuming and everyone likes instant results......up to you! When your RPM goes up and the speed stays the same you are done (height wise). Beyond that you are just increasing slippage. There are stainless props you can explore as well. [/QUOTE]
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9.9hp to 15hp conversion done
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