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Old 11-07-2012, 09:21 PM
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Gm ujoints

I can easily identify mopar u joints, but these gms are little different. For a 1985 c10. I believe they are R3 joints on a one piece 55.5" long shaft from a 1985 C10. Cannot figure it , the out caliper states 1.79" dia cap.

Are R3 joints a 85 c10 replacement?

Can you replace the straps for u bolts at the differential pinion yoke? DR\rill the yoke threads out, if one is stripped. Then use u bolts.
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