Update: I went to a buddy's house a week or so ago and tried out his MIG with gas. It was superior to my Fluxcore. I received my Gas Conversion Kit and converted my fluxcore Lincoln Weldpak 100 to gas tonight. I purchased a tank of 75/25 from the local hardware store and played around with it. The difference between how easy the gas is versus fluxcore is night and day. With the fluxcore at the lowest setting for power and and different wire speeds I could not bridge the larger gaps in the panel and I would blow through the metal quite often. With the gas set between 12-15lbs , I could crank up the heat all the way to C (A is minimum) with a wire speed of 5 and weld the larger gaps. I found B-5 to be a pretty good setting. The "A" setting was too low for this particular piece I'm welding in. It's good to know I can turn the power down if needed. With Fluxcore I couldn't turn the power down any more. If you have a fluxcore welder you should seriously consider converting it to gas for thin sheetmetal apps. I'm happy with this setup. All I have to do now is figure out the best way to grind welds down like a pro. I'm getting there! Thanks for everyone's input.