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Originally Posted by srt8linespeed87
yes it is MIG first and then grinded and then TIG on top of that for extra stregnth.
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Originally Posted by SUX2BU
That doesn't sound right. I'm a welder and i've never heard of wel;ding then grinding the weld off and going over it again. That would make it weaker not stronger. You can tack it in with MIG and then weld it in with TIG, but there should be NO grinding. I think thats against an NHRA or IHRA rule.