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#4099012 - 02/25/21 10:23 AM Driveshaft rebalance?
66lincoln Offline


Registered: 01/17/06
Posts: 109
Loc: Arizona
Any recommendations or personal experience with swapping in a P71 aluminum driveshaft into a civilian CV/MGM using the civilian yoke in terms of needing to have the entire assembly rebalanced? I believe the civilian yoke has a steel balancer on it; any concerns with that?

This is my last knowledge gap to do the swap. I've already researched out indexing the joints, the sizing of both u-joints, and the proper tools. I've got a '03 P71 shaft and an '04 civilian yoke going into a '04 MGM.

Thanks all.
2004 MGM LS (M75), 2008 CVPI (P71), 1966 Lincoln Continental convertible

#4099014 - 02/25/21 10:40 AM Re: Driveshaft rebalance? [Re: 66lincoln]
2011LX Offline
Over the Hill

Registered: 08/31/13
Posts: 1391
Loc: SE WI
No troubles with swapping yokes.

This is a single piece driveshaft. No indexing of joints (phasing?). The shaft CAN be installed in multiple positions on the pinion flange. This is only a concern if the pinion flange or driveshaft yoke aren't perfectly flat. In that case, you can bolt the driveshaft in different positions to try to offset that "wobble". In the real world, I've never needed to do so.
2011 Crown Victoria LX - purchased @ 37k miles
currently @ 100k miles
Dark Toreador Red Metallic exterior
Medium Light Stone interior


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