But, if it's an old, well used machine, yes it could. If the ground cable is badly worn and/or you have a loose connection to the clamp, that can cause a reduction in power... so replacing it will improve things. Won't make any difference on a new machine though.
You'll get more than 3/32" from MMA...1/8"+
How should I set my helmet for welding ... its a Fibre metal FMX goes to
9-13 settings. just bought it for 60$
