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Jet Boats
General Jet Boat Discussions
Impellers: Aluminum vs. Stainless
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<blockquote data-quote="flatboat" data-source="post: 371501" data-attributes="member: 5508"><p>well its been modded a little lightened flywheel , reeds and body ,porting, drilled lower and 60 carbs . that motor runs pretty good with a prop 59.9 . on a 16x56 Edge . With a pump it will spin so fast on holeshot it cavitates so I have to feather it. Tried dropping it down just made more spray . once its running its fine I can trim it up with no cavitation . the nice young man at Outboard jets said had to run the 6 1/8" one. I guess I should have gotten the stainless impeller to begin with but I thought i'd try it with an aluminum first ... well, that thing will let my motor rev to 6400 rpms in a heart beat. With 2 big fishermen and all the crap we carry +12 gallons of fuel I get 32 mph at 5900 rpms . it will go faster ,just not fond of 6400 rpms . it aint gonna stay together long at that rate . that's why I was looking into the stainless to slow the rpms down a little thanks for the info about impros I will contact them for sure</p></blockquote><p></p>
[QUOTE="flatboat, post: 371501, member: 5508"] well its been modded a little lightened flywheel , reeds and body ,porting, drilled lower and 60 carbs . that motor runs pretty good with a prop 59.9 . on a 16x56 Edge . With a pump it will spin so fast on holeshot it cavitates so I have to feather it. Tried dropping it down just made more spray . once its running its fine I can trim it up with no cavitation . the nice young man at Outboard jets said had to run the 6 1/8" one. I guess I should have gotten the stainless impeller to begin with but I thought i'd try it with an aluminum first ... well, that thing will let my motor rev to 6400 rpms in a heart beat. With 2 big fishermen and all the crap we carry +12 gallons of fuel I get 32 mph at 5900 rpms . it will go faster ,just not fond of 6400 rpms . it aint gonna stay together long at that rate . that's why I was looking into the stainless to slow the rpms down a little thanks for the info about impros I will contact them for sure [/QUOTE]
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Jet Boats
General Jet Boat Discussions
Impellers: Aluminum vs. Stainless
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