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Re: 4x4 LS cross member
some time I get about an 1" of weld that looks like a sloppy roll of nickels then it gets worse and it melts together and looks like one melted mess welding aluminum. At least I can melt the metal together and the fit and function are still in tact. I mostly mig weld anything thicker that 1/16" in steel and mig weld aluminum. their are so many adjustments in the tig welder with the square wave and heat adjustment I'm not sure what is what half the time. then you have the different tungsten for different metals. see how it gets confusing. the mig welder is wire speed and heat settings.
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