thrs50, the trans has nothing to do with the rear gears, use any one you want - the 4 speed offered is a newer Saginaw version that gives better low gear ratios than the stock 4 speed, no help with highway speeds, still a 1:1 high gear
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
