I have a 91 z with a posi rear drum. it has a little play in the rear...the hub moves in and out just a little and you can hear it pop when you corner. I havent pulled the diff cover off yet to see whats going on in there, but I have a 85 iroc disc brake that i pulled a few months ago, but its not posi. any idea what i should do? the 85 rear is in good shape...its just not posi

Perhaps you'll find some answers or perhaps more questions in the following link:

https://www.thirdgen.org/forums/tran...-10-bolts.html

JamesC