I was referring to the "as installed" configuration, top half being that connected between the t-case and the CSB, bottom half between the CSB and the differential.

Any 2 u-joints on a section of shaft MUST line up with each other:
- http://www.4crawler.com/4x4/CheapTricks/Images/2joint_angle.gif

[Linked Image]

And here is an animation showing why:
http://www.4crawler.com/4x4/CheapTricks/Movies/ujoint.avi

Notice how the shaft speeds up and slows down over every 1/2 revolution.


r.c.brown@ieee.org
TruckEditor@tlca.org
Project: 4Crawler
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