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General Jet Boat Discussions
Johnson 90/65 Opinions?
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<blockquote data-quote="rotus623" data-source="post: 452351" data-attributes="member: 15266"><p>So I had the 65hp impeller in my pump and she was winding up a little higher than I wanted. I picked up a used 80hp impeller that had been polished and had a little work on it, and shimmed it out .020 off a fresh liner. Hole shot is now at 1.5 boat lengths, rpms came down, and we are running 34mph lake speed!! That's 32 upriver, 36 downriver. I can trim out and gain speed until the splash kicks up.</p><p></p><p>I am going to put a splash plate on and see how she does. After I do that I will try some intake fins and lifting the motor 1/4-1/2" and see what I can get. For now, she's performing great, but Im going to get the most that I can out of her, little by little.</p></blockquote><p></p>
[QUOTE="rotus623, post: 452351, member: 15266"] So I had the 65hp impeller in my pump and she was winding up a little higher than I wanted. I picked up a used 80hp impeller that had been polished and had a little work on it, and shimmed it out .020 off a fresh liner. Hole shot is now at 1.5 boat lengths, rpms came down, and we are running 34mph lake speed!! That's 32 upriver, 36 downriver. I can trim out and gain speed until the splash kicks up. I am going to put a splash plate on and see how she does. After I do that I will try some intake fins and lifting the motor 1/4-1/2" and see what I can get. For now, she's performing great, but Im going to get the most that I can out of her, little by little. [/QUOTE]
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Johnson 90/65 Opinions?
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