They did a poor job of it, about half the tank is bare, the other half is red (not sure what radiator shops use for coating). I have a beautiful tank that some %^^# lined via a radiator shop.
Pep wrote:Ok, so that brings up one of my dilemmas: I am curious to know if the leak around the petcock is simply a leaky seal, or if the metal is breached. If you don't have a blaster booth, do it outside away from things you like.Īlso, not mentioned yet, if you weld or braze, thoroughly wash out the tank with water and detergent. Cheap sand blisters work fine for small jobs like this, just messy because they blow glass or soda or whatever you use all over the place. Brazing is fine, easier to do for most folks, and far less likely to burn out the metal if it is thin, but in any case, the metal has to be clean of rust in order to weld or braze, so the outside at least will probably need to be abraded. Whether to MIG, TIG, or braze depends on judgment and access to equipment.
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If the metal is essentially sound but is cracked to perforated, welding or brazing is superior every time. If lining is the only way to return it to service, line it. Liners are a last resort for an obsolete tank that has thin walls and pinhole leaks due to rust. Welding will probably cause the liner to ignite, and for that matter, burning may be the only way to get a urethane liner out. Doubtful that the liner can be effectively removed.