Maybe too big a hole? I don’t go any bigger than 5/16 unless absolutely necessary (like when drilling out an existing spot weld. Maybe up your wire feed speed. That helps avoid blowouts. I usually keep the trigger pulled and go around in a spiral from outside to inside. But whatever works for you.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
