Bill, here are a few more thoughts on your reply: William W Ducharme wrote:
> If you pump carbon monozide (car > exhaust or other inert gas) into the tank while welding I'm told it's > perfectly safe. Carbon monoxide is not an inert gas. It does burn with a blue flame. Argon is used as an inert gas for welding tanks. > > > Do you (does anyone) think soldering the rivets is worth a try. Seems > to me if it worked (big if) it would be a more permanent solution for > weeping rivets short of a total rebuild at $300 per tank or more. Does solder stick to aluminum? I've never had any luck doing that. Your original idea about the paint may be better if indeed you have no corrosion. The sealant, if put in properly should have lasted longer than it apparently has. The key word, I guess, is "properly." Good luck on your project. Syd Cohen
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