Why a 2 piece driveshaft?

[fixit-p]

Originally Posted by LennyGB53

Mine is a short bed flare side with a 2 piece shaft. I had a 1976 Ford with a 8 foot bed and it had a one piece shaft. The length thing makes no sense. All of the older cars that were huge had one piece shafts with or without coil springs. Think of the old Buicks, Olds and Packards. My shaft is fine. I'm changed transmissions and now I'm replacing the u joints and center bearing. My last truck was a '68 long bed and sent from a 3 speed manual to a TH350 and we kept the same driveshaft.

Here's a better explanation >>>> http://www.engineersedge.com/bearing...ing-bodies.htm