Right on, that's what I figured. I know the 27/29-spline split occurred in ~96.5 which I'm bearing in mind before I go tearing open differentials.
Also, I noticed on the XJ Wikipedia page (hate to use it as a resource but sometimes it's valuable) that some 4-cylinder automatic XJ's had 4.56 gears. Somehow I doubt this.
Also, I noticed on the XJ Wikipedia page (hate to use it as a resource but sometimes it's valuable) that some 4-cylinder automatic XJ's had 4.56 gears. Somehow I doubt this.