70 dart 470 ci drag car build.

It's .024 with.035 wire. CO2 argon mix
That’s a big wire for for that thin sheet but it can work. I’m setting up a test with my 211 right now to see if I can help you dial it in. I’m using 030 wire ER70S-6 with 75/25 co2/argon mix, plug welding 22gauge to 080 wall square tube. Be back with some settings.
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