Well in my defense I did haul heavy, usually a 44' or 53' enclosed going from coast to coast and quite a few of the problems were in the mountains on I-40 or around Arizona.
I always wondered to myself what the rear end gearing was in the trucks that had trans problems you drove?
Because not enough gear is going to stress the trans more than if it had a deeper gear.
The 99 dually had 3.55's with the NV4500, the 04 single wheel had 4.10's with the 48RE, the 05 dually had 3.55's with the 48RE, the 07 dually had 4.10's with the G56.
