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Jet Boats
General Jet Boat Discussions
Impeller polishing
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<blockquote data-quote="AK80" data-source="post: 469546" data-attributes="member: 25189"><p>2-3 mph on top... seems to show more at cruise. I had my impeller done by said shop above. 29-30 mph @ 4800 rpm 6.3 GPH, 39.5 WOT 5800 rpm on still water with polished impeller. Merc 80 jet 4S, 17.5 Almar Lite. I have been fortunate to keep it clean so far, I'm sure it won't like any gravel. Don't really plan on looking for any</p></blockquote><p></p>
[QUOTE="AK80, post: 469546, member: 25189"] 2-3 mph on top... seems to show more at cruise. I had my impeller done by said shop above. 29-30 mph @ 4800 rpm 6.3 GPH, 39.5 WOT 5800 rpm on still water with polished impeller. Merc 80 jet 4S, 17.5 Almar Lite. I have been fortunate to keep it clean so far, I'm sure it won't like any gravel. Don't really plan on looking for any [/QUOTE]
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Impeller polishing
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