I have a wolf 105 mig welder. (yes yes i know...). i have bee avin no end of probs.. The wire feed tube (plastic tube) keeps jamming, any recommendations on a new one/type? is the motor just crud? Is this welder capable of gasless. needless to say, so far i have learn't more about how the welder is made than actually welding.. :? Any help appreciated, note: i am on a next to nothing budget....