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11-26-2017, 09:38 AM #31
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It could be cavitation but I would have that prop checked for a spun hub.
RockTeam Junk
No sparkling wiggles in here, only dump truck grinches.
"Screamin Heathen"
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11-26-2017, 11:09 AM #32
5000 RPM
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Thanks Rock I did not even consider that. I'll check for that. I think that ended up being it.
Last edited by Fishinmymission; 11-26-2017 at 11:42 AM.
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12-06-2017, 05:36 PM #33
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I'm amazed with my new mercury blackmax 15x17" prop. The other 17" pitch prop was indeed spun I tossed it as its an aluminum prop with a rubber hub and figured its worthless for its price to press in a new hub. I gained about 350 RPM so I'm now at 5400 WOT and amazingly I picked up 6 MPH (39mph) by going down 2 inches pitch to the 17" pitch prop.
All this probably just further confirms that the engine was severly over propped, lugging, and outside of its powerband from running on the 19" pitch prop. Very likely that this caused the bearing and crank failures and possible even the gearcase that I blew 4 year prior.
The boat has been taken out for the year and I should be ready for some fishing come spring!
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12-07-2017, 08:31 AM #34
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I love a happy ending.
RockTeam Junk
No sparkling wiggles in here, only dump truck grinches.
"Screamin Heathen"
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