fuel tank welding
fuel tank welding Any problems with welding on my gas tank? Mig welding it be ok? It hasn't had any gas in it yet! My Spectre efi tank!. If i cut it open will it need to be sealed on the inside of the welds? I doesn't look any thicker than body panel metal, and I can weld that stuff... Or would it be better to have it tig welded..?
Rick
Rick
Joined: Sep 2004
Posts: 3,148
Likes: 12
From: Downers Grove, IL
I have mig`ed a few tanks, just have to be sure of your welding. Mig leaves you open to having more pin holes than tig, but I usually just pressure test with compressed air and soapy water.
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I had a freind here that sumped his own tank, mig welded, ground down the welds and went over it with JB weld and smoothed it to a point that it looked seamless after a black repaint. I laughed initially, but it actually turned out a pretty nice sealed up job in the end.
Well the thought was to maybe put more baffling in the tub for gas sloshing issues. U know, the ones everyone is having.. I just wanted to try it B4 I got gas in it....I hope to have my 71 running in a couple weeks....
Rick
why cover the weld with braze? I can see grinding smooth and painting...
Rick
Rick
why cover the weld with braze? I can see grinding smooth and painting...
Rick
Last edited by flywheel; Apr 1, 2011 at 07:05 PM.
I notched my tank for frame clearance, but before I did it I talked to a gas tank repair shop. They told me not to smooth the welds down because in the heat of summer the tank can actually split open. I welded on the edge of the tank so it may not matter if welding on the bottom or top.
