I finally got some time to sit down and lay a few beads with my PowerPro 205. I was using about 140 amps on the machine and using the footpedal. 3/32 2% lanthanated, ac frequency~110hz, ac balance ~ 30, some pre and post flow. Material was 3/16 aluminum. It is basically the tubing you get for intercoolers and intakes. Here is a pic:



I will be welding more today and will post up some more pictures.