can't give ya the details, but yes the trans can be changed - might be easier to find a 3 or 4spd from a 55-59 truck which will bolt right up - rear might work too, or at least supply the parts to convert the 51 rear
"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
