I did the same as Charlie when I replaced the lower portion of the tracks.

A small hole and a short blip with the MIG does the trick. You're doing it in the blind but sticking the cup centered on the track and pulling the trigger worked OK. I used a 3" cutoff disc to clean up the welds.


Kevin
1951 Chevy 3100 work truck
Follow this saga in Project Journal
Photos
1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.