If you can get it to use gas, that machine is probably fine for auto sheet metal, and stuff up to 3/16" or so. Doug On Mon, Jan 5, 2015 at 2:09 PM, Patton Dickson <57healey at gmail.com> wrote: > I have a Weld-Pak 100, but already know that it is too weak to do much, > will upgrade after I have a little time under my belt.