likely the only way to find the parts to change the tail of your trans from the closed connection to an open slip yoke will be to find a 54+ SM420 ... and the driveshaft from a later year - might try a post in the parts wanted

Bill


Moved over to the Passing Lane

"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