I took the third to J&P Standard off 21 today. He told me the unit used to have a trac-loc system, and showed me where I broke pieces off of it. He also said i'll need new gears and bearings. He wants to charge me 300 without the gears. Im thinking my best bet might just be to find one thats already good to go. No sense in dumping money into this rear end since I'm planning on going to a 10.25 soon. Saw a couple 10.25 out at gordons but no 9's