@david1 posted:It was 036 not 031. Also there was never a problem with the rollers. The middle rail never did put grooves in the rollers. That was started by some dealer and from there it took on a life of its own. It is all hear say.
Dave
Thanks Dave.....that story will NEVER die....any groove I ever saw was shaped like tube rail...It just meant the unit had high mileage.....all the best...joe