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Hey guys,
Hopefully this video will help shed some light on how to set preload and endplay for your new LSD you may be installing into a transmission. In this video, I installed an OBX LSD into the A520. From what I understand, the basics of how to set the preload and end play of a FWD differential is basically the same. If you are going to attempt to do this, it is NOT as hard as it seems.
https://www.youtube.com/watch?v=wgjY...ature=youtu.be
Good to see someone demo the technique.
I do differential setup very rarely, but aren't they supposed to have 'preload' on the bearings (ie. negative endplay.) My memory says 6-10 thousandths preload. So I think you need to add 3 more 5 thousandths shims to properly set the preload. (0.008 + 0.006 = 0.014 0.008 + 0.010 = 0.018)
Also if you are replacing the bearing race, you should do that BEFORE you take your initial measurements. Wear and/or machining differences can throw off the measurements...
Your target is .006-.012 PLUS the endplay,basically you over shim to take all the endplay AND more which is the preload
I have the book with the shim specs if you want a pic but like said above you need to add 3 more shims
Agreed that 3 more shims is the minumum. With the upper end 0.012 preload (vs my quoted 0.010), for a race setup, I would go with 4 additional shims...Quote:
Originally Posted by Speedeuphoria
From the 1988 FSM:
Here's the shim chart: