Quote Originally Posted by MARTINSR
You know what my brother and I did once. We had an 8" rear that a well known rod shop (who will remain name less) who welded some four bar brackets it. They warped it pretty bad. We heated the other side of the tube with a rose bud tip on a torch and dunked it into a five gallon bucket. The cooling shrinked the metal on that side making both sides equal. We made it PERFECT doing it this way. That rear is in our friends Model A and has thousands upon thousands of miles on it without a problem.

Brian
That's a fairly standard way of truing up driveshafts that have a little runout.