Front suspension conversion

8.25 or 8.75 rear? If the 8.25, there was a post a few weeks back hinting about upgrading to rear discs with 96 and older Grand Cherokee parts.
http://www.forabodiesonly.com/mopar/showthread.php?t=211024&highlight=jeep+cherokee

http://www.cherokeeforum.com/f51/rear-zj-disc-brakes-cherokee-xj-chrysler-8-25-a-57807/
http://www.jeepforum.com/forum/f11/zj-disk-install-c8-25-functional-e-brake-920103/