Use some coarse emery cloth, and polish the outside of the torque tube. The ball assembly should slide back further, exposing more of the universal joint. I believe the rear end will have to be unbolted and rolled back to get the driveshaft out of the u-joint spline.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!