grannyknot Posted August 12, 2015 Share Posted August 12, 2015 I just had a cast aluminum oil pan welded up with the modifications I need for a new build, as you can see he has done nice work, the welds don't leak with pan holding methyl hydrate or hot water. All welds were done on the outside of the pan with a 1/2" steel plate bolted to the pan to keep it flat. What I'm concerned about is the inside of the pan or the other side of the welds. I can't have the inside seams of the pan welded with out the risk of twisting the pan so I'm wondering if I should fill those seams with a flexible sealer like Three Bond or Permatex. Or maybe I'm over thinking it... Quote Link to comment Share on other sites More sharing options...
RebekahsZ Posted August 13, 2015 Share Posted August 13, 2015 I'm not an expert but I bet what you have is good. I would NOT coat the inside with anything that could crack off and foul the oil. Quote Link to comment Share on other sites More sharing options...
johnc Posted August 13, 2015 Share Posted August 13, 2015 If it's not leaking don't worry about it. Keep an eye on the pan and look for any oil seepage. Over time you'll stop worrying about it. Quote Link to comment Share on other sites More sharing options...
TimZ Posted August 13, 2015 Share Posted August 13, 2015 The only thing I would worry about would be the possibility of some swarf being hidden away in the cracks and dislodging later. Your pickup screen should catch most of that but still. Glyptal would be the only thing I would consider if I wanted to put anything in there. Quote Link to comment Share on other sites More sharing options...
grannyknot Posted August 14, 2015 Author Share Posted August 14, 2015 TimZ, that's a great idea, exactly what Glyptal designed to do. Thanks Quote Link to comment Share on other sites More sharing options...
roger280zx Posted August 26, 2015 Share Posted August 26, 2015 Look it up, summit sells it and I think eastwood as well. Glyptal is an affordable, easy to apply oil shed coating. Quote Link to comment Share on other sites More sharing options...
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