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Jet Boats
General Jet Boat Discussions
Impeller sharpening
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<blockquote data-quote="Lil&#039; Blue Rude" data-source="post: 178102" data-attributes="member: 4627"><p>I don't know how many mph it will gain you, it depends on your set up. I didn't run my motor before I polished my pump so I don't know how much it gained me. If you suck alot of rocks I would say it defeat the purpose of polishing it,plus the large pumps are a pain to polish because of the brace in them. If you still want to do it you have to pull the pipe out of the pump and remove your bearing carier out to make it easier. Make sure not to make the opening where the water exits bigger then what it is. On another note if your motor got the grunt to pull a stainless impellers seem to help some to, it gained me another mph with my motor.</p></blockquote><p></p>
[QUOTE="Lil' Blue Rude, post: 178102, member: 4627"] I don't know how many mph it will gain you, it depends on your set up. I didn't run my motor before I polished my pump so I don't know how much it gained me. If you suck alot of rocks I would say it defeat the purpose of polishing it,plus the large pumps are a pain to polish because of the brace in them. If you still want to do it you have to pull the pipe out of the pump and remove your bearing carier out to make it easier. Make sure not to make the opening where the water exits bigger then what it is. On another note if your motor got the grunt to pull a stainless impellers seem to help some to, it gained me another mph with my motor. [/QUOTE]
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