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25 to 35 hp Johnson Powerhead
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<blockquote data-quote="rktman" data-source="post: 369264" data-attributes="member: 11818"><p>Update: I took the boat out and tested it in the same spot on the river as before (though with a little more weight - son vs. wife). I got 19 mph upstream and 22 down which is an overall gain of 3 mph. Not too bad but I will try to get some more out of it through some carb tuning and maybe look at the timing. </p><p>Note that with the jet, it feels like I have enough power but not enough power transfer at higher speeds. I'm wondering if a larger impeller would help (mine is the small one 5 3/4").</p><p>Hope this helps if someone is considering the swap.</p></blockquote><p></p>
[QUOTE="rktman, post: 369264, member: 11818"] Update: I took the boat out and tested it in the same spot on the river as before (though with a little more weight - son vs. wife). I got 19 mph upstream and 22 down which is an overall gain of 3 mph. Not too bad but I will try to get some more out of it through some carb tuning and maybe look at the timing. Note that with the jet, it feels like I have enough power but not enough power transfer at higher speeds. I'm wondering if a larger impeller would help (mine is the small one 5 3/4"). Hope this helps if someone is considering the swap. [/QUOTE]
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25 to 35 hp Johnson Powerhead
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