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my sporty tank is pretty rusty inside, and i dont want to cut it up.....at least not just yet. what's the best and easiest way to clean that rust out?
 

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I've used nuts and washers with kerosene (not too much though). Shake it up pour it out, do it again till clean
 

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Fill it up with molassis and water (or coca cola syrup) and let it sit for a week. Pour out, clean with soap and wqter and it'll be good to go.
 

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grail21 said:
Por15 - I've heard nothing but good things about it and plan on using it on a tank I've got.

hmm. i've used por15 for my floor board on my 66 plymouth, but never thought about using it for a tank. hmm. does it work good inside a tank? that could save me some cash. i have a shit load of that stuff laying around.
 

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I like the muatic acid, but I was going to say..I've been told that you have to be really careful with the sealer because if it does not cover 100% of the inside of the tank, it will flake away in your tank. I've just used muratic acid and then kept gas in the tank at all times so it doesn't rust. and don't let it sit, you have to keep riding or it will rust again quickly. I've cleaned about four tanks and I finally came to my sences. Don't buy a kit for 30 dollars, just log onto flyritechoppers.com and buy a new sporty tank for like ..80 bucks.

On one tank I did, I used muratic acid on it and the flakes from the sealer started comming loose. It seemed impossible to clean, so I junked the tank.
 

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Nuts and washers will do the trick.....if not maybe take it to a car radiator shop,they might be able to "boil" it out......
 

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On another board I use a guy showed pics of using a box of BB's. First he took off the petcock and taped the opening closed, used an old gas cap and poured in about half a box (small milk carton size). Wrapped the tank in a big comforter, then stuffed it in the ol lady's drier. He packed blankets around the tank so it would not move, then turned the drier on with NO HEAT. Let it run while he had a cpl of beers and the damn thing came out like new. Pretty fucking niffty. No solvents, no standing there shaking it till your arms fall of. And you still have amo for the rats donwn at the dump.
 

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Fastest, easiest, and cheapest way I've found is "The Works" bathroom cleaner. You can get it at the dollar store for around a buck and it cleans up with water. This stuff has some kind of acid in it because it will eat rust right off of metal in an hour or two.
 

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the molases trick works the best.and it's cheap. start of by cleaning off the scale with nuts and bolts..i use copper chain. then i use the molases....it works nicely. and dont fuck up your original paint.
 

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a cheap ass such as myself will try damn near anything once, molasses ,the works, bolts, but I know only from personal use the acid trick works on rusty steel ,also there is a gas tank lining sealer called creem,napa auto stores used to carry it ,great shit ,chheap holds up good,but be sure to follow instructions and make sure you dont seal off your petcock fitting,Dr.Frankensickle
 

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I used vinegar and the POR 15 tank sealer. vinegar is just weak acid so it's the same as any other acid method, just takes longer and is easier on the skin.

Just make damn sure before you seal the tank that the interior is 100% dry. Any moisture will ruin the adhesion and it will gum up everything.
 
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