In response to sbf,threaded portion too long.I tried the .035 tip,seems to work okay,not as tight on the .035 wire as I thought but it is a good roll of lincoln electric NR-211 MP flux-cored wire.I found some .040 tips,clarke-craftsman brand,no picture and no specs so I don't know if they will work or not.Just go with shenion and use the .035 tweco 11-35 tips,seemed to work alright earlier.What surprised me was the difference in the amount of weld you can lay down with .035 wire as compared with .030 wire,had to move the torch a little quicker to keep from piling the weld up.
Thanks for all of the help everybody.....doug