Q & A details -Welding a gas tank?

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Welding a gas tank?

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I took my gas tank out of my mustang ,I cleaned it and had it sitting for a week until the fumes went away I weld a sump on it with a mig welder, But i tested the tank and i had 8 holes on it ,pinholes size.I tried all fricken day to fixed them but the more I tried the more holes i got. so finaly i made it down to 3 pinholes.How can i get the covered,Can i jb weld them or can i braze it?My plans were i was going to jb weld them,then i would buy a gas tank kit.Which includes a gas tank cleaner to remove any rust,if i had any an a coat that seals the tank from inside.Would that be ok. Please let me know asap.I want to work on my tank this weekends.Thanks

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0861788249

0861788249 2017-02-21 09:30:33

Hi, I agree with spamme44 - you'd be best to get a new tank in my opinion. Seems the welding has weakened the tank and is making holes; it's only a matter of time before you find/create new ones. I'd personally suggest you get a new tank and if you need the sump attached on that one, try brazing from the get-go...that way you're not actually fusing the metals thus less heat is involved. I've found JB weld to be a wonderful invention and I've used it on so many things...while it's supposed to be "temporary", I've had JB fixes outlast what I used it on...however, I'm not so sure I'd be comfortable using it on a fuel tank where the chances of a recurring leak could cause a serious safety hazard. I wish you all the best in this and have a very blessed weekend :-)
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