Torque Tube U-Joint Ball Housing Prep & Adjustment It says to lubricate the Ball cork seal with graphite grease.
Note: Although info applies to 1950-54 Powerglide equipped cars.
The info also applies to GM early model truck & car Torque Tubes,
equipped with ether a manual or auto shift transmission.
The manual shift transmission equipped trucks,
lubricate the u-joint from the output shaft rear main bearing funneling gear lube into the ball housing.
