Join Date: Dec 2008
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Thanks Folks for thoughtful input - here's some update
My engine is a Ford Lehman 80 Hp Diesel (4D254 - 2712E). I also have the ability to pull from one tank and return to another. I just bought a used Racor 500fg on e-bay for $51.00 so I thought I would split the fuel line going from my tanks to the main RACOR 500fg and have it go to a ball valve that I can open and attach to this new Racor 500fg then to the Walbro marine diesel pump and then back to a fuel tank (through the deck fill port). At 35-40 gph I can leave it run for several hours and turn over the tank several times. I agree that without agitation I will not get the crud off the walls, but hopefully I will be able to clear the lines of crud and at the same time remove any water from the tank. MY thought is to make this mobile unit set up so that I can do both tanks in the spring, and then also a tank after agitation at sea.
The Walbro pump was $120.00, so for about $200 I can make a separate polishing system that will not gunk up my primary Racor (hopefully) and can help to maintain the cleanliness of my fuel and tanks over time.
I guess I am trying to be belt and suspenders since I filter all fuel prior to adding in the tanks, but I know some water condenses during the cold maine winter and also there is some gunk build up at the tank t valves.