Keeping Aux fuel tanks rust free inside...

Dante04SRT · #1 (**permalink**) 05-26-2011, 03:31 PM

I had plans to use my 50 gal aux tank this weekend on a long trip to PA but upon close inspection, it is filled with rust - So much so that the line going from it to it's filter was clogged with rust/dirt.

Is there a coating that can be used to protect the metal inside the tank from rusting? It's simply not practical for me to keep it full all the time.

HaysKSFirefighter · #2 (**permalink**) 05-26-2011, 03:33 PM

If I recall POR15 has a kit to restore fuel tanks. Might look into that.

HaysKSFirefighter · #3 (**permalink**) 05-26-2011, 03:34 PM

Link - FUEL TANK REPAIR KIT-POR-15 Inc.

erbilabuc · #4 (**permalink**) 05-26-2011, 03:57 PM

POR15 will not hold up to vegetable oil or biodiesel. Really all you can do is clean it out and wait for it to happen again or get an aluminum tank.

Dante04SRT · #5 (**permalink**) 05-27-2011, 02:35 AM

I'll just be running diesel in this particular tank; I like POR stuff, but man, it can get expensive!

Is that really the best method? It sounds like I'd still gotta have a radiator shop clean it out first. With the baffling in this tank, I don't know how you'd clean it short of cutting it open.

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