#31
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Bumping is iffy, dry starting is a mistake, imo. But we're all allowed to make our own mistakes.
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I spent most of my money on booze, broads and boats. The rest I wasted. - Elmore Leonard I had always thought that there was nothing quite so sad as an abandoned boat.-Terry Hayes |
#32
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Starting your motor "dry" and then not replacing your impeller after 4 years is like Bull riding without health insurance!!
Both are things I just wouldn't do!
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You haven't lived until you grab a wild hog by the legs when a dog is holding him by the ear!! |
#33
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Impeller should be changed every 100 hours or annually... as MC puts it...Blockage of the transmission cooler or a faulty raw water impeller are too-frequent causes of overheating.
running it dry will cause vanes to where causing less water to be pumped into cooling jacket. Rubber against metal no water or lubricant...heat... Impeller - $35, Engine work/replace $3K - $10K, replacing impeller seasonally or every 100 which ever comes first and not worrying about it....pricelesss.
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#34
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Look at it this way- what's the cost of an impeller and gasket vs the cost to repair the damage from one that lets you down when you least expect and least want it to? |
#35
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I agree with the priceless statement. I was dead in the middle of the lake this summer because I went cheap this year and didn't replace my impeller.
I will definitely replace it every year from now on. When our boats overheat...they just shutdown and kill all power to the motor. Make sure you have a spare in the glove box also! Sent from my EVO using Tapatalk 2
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2005 Canadian Blue Flake X10 |
#36
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I guarantee the repairs will amount to a number greater than a case of impellers!!! Sent from my DROIDX using Tapatalk 2 |
#37
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#38
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'nuff said' - good point Jim...
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#39
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#40
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If you want to run YOUR boat while out of the water fine, do it. But suggesting that others do is extremely bad advice.
You cannot dispute the scientific facts of heating up rubber. Heating up the impeller(rubber) will change the molecular properties of the rubber. The thermal and physical effects, as Jim pointed out, will surely weaken it. So if you don't get a complete or partial failure, surely you will get lower water volume/pressure. Just because you can't see any damage does not mean that it hasn't already happened. Why take the chance? Is $30 bucks for a new one each year worth it? Is not changing it and wasting a motor worth it? I'm not all that smart when it comes to science but it's pretty easy to see that heating up an impeller is never a good thing. Sure you might get away with it a few times, or forever. But at some point it will catch up to you.
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Tim "Heavy" beer is for wine drinkers that are too embarrassed to drink wine in front of their buddies. "Light" beer is a drinkin' man's beer! |
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