[mickmate]

I found a big difference in performance of one brand wire versus another. It is tricky to keep the weld the same as the start because of the heat dissipation. You might try a preheat. The other big difference I found was a steep push angle, 15 deg off the vertical. I was almost ready to give up and it clicked for me. I used a spool gun and have since got myself one I've found it so useful.