Quote:
Originally Posted by Frank Reiner
The flex discs incorporate enough play to absorb longitudinal movement of the engine/transmission, and the final drive center section. This method is in contrast to the deliberate slip joint method employed with live axles.
The MB splined joint is NOT a slip joint.
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I´m not sure this is the case. Keep in mind that the flex discs are attached to either yoke by 6 bolts connecting through steel spacers. The rubber part only surrounds the bolts, so there wouldn´t appear to be any longitudinal movement possible (not the amount a driveshaft spine might encounter) - only minute side to side movement. These are strange beasts that we love.