I like 'em both. The Rx-7 should be a beast if you get it finished. You can mig aluminum, but it doesn't look that great.....but does work. I'm guessing the work you need is for the cold side?
I'm in Manassas, Virginia right now working, heading to a shithole in Cecil County, Maryland for a couple weeks after a couple more days here....
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Working on junk....
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