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post #9 of Old 08-26-2018
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Re: DIY Fuel Polishing?

Originally Posted by TakeFive View Post
.....mainly to extend the life of my very expensive spin-on Racor primary filter.....
I believe Racor’s advice is to change the filter every 500 hours or annually, whichever comes first. Maybe they’re just trying to sell more filters, but it stands to reason that chemicals/solvents in our diesel fuel will eventually eat at the filter media. Especially, if more are added by the owner.

Nevertheless, to properly polish fuel outside the boat would also require buying more of these expensive filters, so the economics would not seem to work, even if it did extend the life of those aboard. Just pouring through a gravity filter isn’t polishing.

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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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