My boss and I have taken the advice from many of you welding webbers about running flux core wire. I've never used it before, and so far it's going ok besides the really annoying fact that it seems like every few minutes the wire gets all jammeed up inside and I have to take the welder apart and run it back through. Any tips on how to prevent this would be greatly appreciated. I have literally spent most of my day trying to fix the problem. Needless to say my boss is getting very frustrated with me as well as me frustrating myself.