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Old 01-06-2013
Minnewaska Minnewaska is offline
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Re: Another Yanmar Exhaust Mixing-Elbow Question

If you remove the elbow annually, clean it out and replace it, is the SS really necessary?

For SS to be effective, it requires the presence of oxygen so the chromium oxidizes and creates a protective barrier. Otherwise, its just brittle steel. Not sure how that would happen inside the elbow. I don't inherently understand the need for a SS exhaust elbow, which typically corrode from the inside anyway.

Has anyone ever thought of using high temp powder coating on the interior of an elbow?
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Jeanneau 54DS

In the harsh marine environment, something is always in need of repair. Margaritas fix everything.
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