Re: TIG for spotwelding?
For filler rod plain ole MIG wire .023 works great.
My tungsten is the scary thoriated version that is .040 in diameter or you could go with 1/16.
I do remember a person on metal meet using a TIG to do factory like spot/plug welds. With practice they looked OE in appearance and passed the destructive test.
I've also seen guys do spot/plug welds with a MIG and then come back with a TIG and "contour" the weld with the torch to give that OE look.
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