Originally Posted by
ksisler
To the question of repairing it; If it was been stick welded with gas, then the repair is unlikely to hold up very long. A good TIG weld of the crack itself is good roadside temp fix to get you home, but not a permanent solution.
The only permanent solution is the continuous replacement of frames. Let's face it, no matter how good the repair, the fact that it failed in an indication that the frame is ending its service life. (It's 40 years old!)
I wouldn't spend money getting it professionally repaired, chances are there will be a new crack opening up in a month's time after.