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Originally Posted by WSSix
.... Any suggestions? Thanks
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Tig. Any time you have to stop and start with a mig, there is a high posiblity of a void in the weld. Unless you can make a 360 degree weld in one pass with the mig, the pinholes are possible. Do you have an oxy acetylene torch? You could try gas welding with some coat hanger as filler. It would take some practice, but you won't have pinholes when done and very little filler to grind.