Thread: 51 Moredoor

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How about the old tow chain in the tank with a few gallons of fuel once you have it out of the car? I always heard that if you remove the float assembly, toss in a big old chain and shake the crap out of the tank it'll clean up the flaky rust. Then dump it all out, flush it good with a solvent, blow some air in to dry it and dump in a quart of good etching primer or rust encapsulator for another shake & dump. Seems like it ought to work, maybe even without the primer?

Originally Posted by rspears

How about the old tow chain in the tank with a few gallons of fuel once you have it out of the car? I always heard that if you remove the float assembly, toss in a big old chain and shake the crap out of the tank it'll clean up the flaky rust. Then dump it all out, flush it good with a solvent, blow some air in to dry it and dump in a quart of good etching primer or rust encapsulator for another shake & dump. Seems like it ought to work, maybe even without the primer?

Yeah, I thought about that and priced a couple of different sealing kits but the price of fuel cells is reasonable enough that it's almost not worth the work of cleaning up an old tank. You can get a 15 gallon aluminum one with similar dimensions as the Mopar tank and a GM sending unit for about $125-$150. I got a couple more filters; I'll see if it gets any better before I pull the trigger.