jhaag Posted October 13, 2004 Share Posted October 13, 2004 I think I know the answer but I wanted to check with experienced welders to make sure. As I get ready to build some headers, I am thinking that I would like to tack the pipes together (making sure the joint is very close--no gaps) myself but then take it to someone who could TIG weld it. So far, my MIG welds seem to be strong but I'm not too thrilled with their beauty. Of course, practice makes perfect so I will get better at this, but for headers, I really want the welds to look nice, as well as be strong. So, would having MIG tack welds interfere with a TIG weld? I don't think it would interfere, but...... Thanks! John Quote Link to comment Share on other sites More sharing options...
Brad-ManQ45 Posted October 13, 2004 Share Posted October 13, 2004 no problem Quote Link to comment Share on other sites More sharing options...
datsunan Posted October 13, 2004 Share Posted October 13, 2004 Keep em small as you can, high heat, low build-up. Quote Link to comment Share on other sites More sharing options...
Guest Jasonv8z Posted October 19, 2004 Share Posted October 19, 2004 The TIG will remelt any filler you put down with the MIG. As long as your tacks are small, you won't notice anything. I'm in the process of making LT1 headers for my 280zx right now. The passenger's side is now done, but it took a very long time, mostly in routing the tubes properly, and holding everything in place to be welded. Quote Link to comment Share on other sites More sharing options...
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