That setup was used on long wheelbase trucks because the full torque tube system had problems with the extra length. If you try it on a SWB 1/2 ton, the open driveline section will be too short to work properly- - - -there will be some radical angles involved which will cause vibration and/or premature universal joint failure.
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!