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funky flush method w/ boat soap?

Old 05-25-2011, 06:11 AM
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Default funky flush method w/ boat soap?

I watched a neighbor flushing his motor and this is what he did:

Fired up the boat on the mufs, ran about 5 min (t stats opened)

Then he shut down the motor, opened the flush port and squirted in some soap. Next he closed up the factory flush port and fired the motor back up. Soapy water came out the tell tale and the hub.

So I had to ask him about it, he says that this is how he gets the salt out with out wasting a bunch of salt away and it keeps that stuff off the impeller.


What do you think?
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Old 05-25-2011, 06:19 AM
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What are the savings? $30/yr? Not worth the risk of clogging sensors with soap crud.
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Old 05-25-2011, 06:26 AM
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I use vinegar, if it removes deposits and salts from my reels it will do just fine inside my motor...
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Old 05-25-2011, 06:31 AM
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$20K for a boat motor and some fool is going to try to save a few $ by using soap to flush it? Soap is pretty corrosive to some metals.

Let your neighbor have his fun, you're not likely to change his mind with logic. Just don't follow his lead. He is an idiot.
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Old 05-25-2011, 07:35 AM
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Originally Posted by rwidman View Post
Soap is pretty corrosive to some metals.
Which metals?

I wash stainless, aluminum, brass, bronze, cast iron, wrought iron, steel, copper and silver with household detergants and have never corroded any metal.
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Old 05-25-2011, 08:20 AM
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soapy water will very quickly oxidize metals like sodium and potassium. You would be amazed how quickly in fact.
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Old 05-25-2011, 08:32 AM
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Default Ivory

Might think about a mixture of ivory soap, the bar stuff, no detergents etc, useful for your face, may even act as a lubricant to impeller. Never thought about it before, but was told to clean my leather furniture with ii once in a while, i doubt it could do any harm.
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Old 05-25-2011, 08:37 AM
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Originally Posted by gerg View Post
soapy water will very quickly oxidize metals like sodium and potassium. You would be amazed how quickly in fact.
It took me a minute but
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Old 05-25-2011, 08:39 AM
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Any chemists have an opinion on soap and zinc?
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Old 05-25-2011, 08:40 AM
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Yes big fire ball if you have enugh NA
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