Q.
When welding butt welds on floor pans, what size MIG wire should I use, and at what voltage setting on the welder?
A.

When welding butt welds on floor pans, what size MIG wire should I use, and at what voltage setting on the welder?
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Buy a Miller autoset mig welder and never worry about the settings as long as you know metal thickness. I’m a home DIY’r and It changed my my “skill level “ tremendously.
Learning a lot
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