Yeah the only difference in the rear is auto/5 speed. Just match the t-case with the yr of trans you bought.
Positive note. You can now use the 91.5-96 so they are alot easier to find
Did you get your trans yet? Car in the garage?
http://www.youtube.com/watch?v=GK6d-BFMW84 this will show you how to check
Threaded Mode