Last night, made some good progress welding up some rusty pinholes. MG sheetmetal is so thin, that I was constantly 'blowing out' the hole. Instructor finally came over and corrected me. Firstly, I was welding in the 'wind' from the a/c system, which is bad, because it promotes 'porosity'. I also had the wire speed too fast and the voltage too high. Once corrected, and moved to a less windy spot behind a screen, I was able to weld much more consistently. So, I'm one night closer to getting to the 'bondo' work.
I've decided, after a failed attempt at repair, to just buy a new gas tank.
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