Quote:
Originally Posted by patrickt
I recall that 3.73 and numerically lower gears all fit the same case and you only run in to a problem when you're crossing the 3.73 threshold (like going from 3.54 to 3.92). But I'm not 100% positive, so check before you buy.  |
Nope. The 2.88 posi rear comes from the XJS. The XJ6 uses the 3.07 and up and have a different case. How do I know? I made the mistake of buying an XJS rear and had to have the case changed out to give me a 3.31. I had Curt Hamilton in Ca. do the rebuild...he explained what I needed & what I had originally bought. Now I'm all set, although I spent some extra cash.