I've mig-welded heavier steel over the years and do pretty well, but the thin sheet metal is causing me some grief. Watched a number of Youtube videos and I'm getting the process down, but luckily I have plenty on this old truck to practice on.
After quite a while of welding, hammering, grinding (repeat), I made it this far with the previous owner's square metal patch.
Question for welders: I'm assuming I should be trying to fill in every smaller void with new metal, even though there are no "holes" left - correct?
