Re: welding shock mounts on a rearend ?
Take your practice pieces and after welding, smack them with a large hammer and bend with vise and pipe wrench. If they fall apart easily, practice some more.
There should be a settings chart inside the machine where the wire goes. Start with that and adjust as needed.
You may need a 30A 120V circuit. A 140A machine can trip a 20A breaker if you crank it to near full.
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