Quote:
Originally Posted by P71
No, it is not. I just went through all this jazz with my 83. U-joints in S1/S2 driveshaft are not replaceable. They are in S3. S3 driveshaft uses a different rear diff flange and bolt pattern. You cannot modify the 83's to work.
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Just the opposite. S1/S2 have replacable ujoints, while S3 does not. However, the 83 can have either setup, from the factory. According to the parts micro-fiche, all 83's have the larger flange and non-sevicable ujoints, but some early 83's had the same setup as the 79-82.
Easy way to tell which flange you have. The large flange has 4 holes, none are threaded and is a square pattern, while the small flange has 4 threaded holes, but is not square.