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Old 09-06-2017, 05:03 PM   #6
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Join Date: Jun 2017
Location: Cherryville, NC
Posts: 860
Re: Correct clock/phasing/orientation of yokes on '66 C20 2 piece driveshaft

Cross style universal joints must be clocked at exactly 90 degrees thru transitions or they will vibrate...

Have never, in 40 years, ever heard of one designed to be one spline off...

What I have seen is a yoke swapped out and not be indexed correctly...

Remove the center yoke u-joint, undo the bolt in the front shaft rear yoke u-joint yoke and move it one spline...

Re-assemble it and make sure the extreme ends of the assembled shaft will have the shaft yokes both in the same plane.

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