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  1. 70Hardtop

    Is it necessary to replace the crown wheel bolts on 8-3/4 ?

    We say crown wheel, Americans say drive gear (or ring gear) and the service manual says to discard the old bolts when it is removed/replaced for service or ratio change or rebuild etc. Also I see there are many kits online with the new set of bolts. So I am wondering how much stress do these...
  2. 70Hardtop

    741 - crush sleeve and shims?

    Hi all, I need to get the pinion preload reset on my 741 (it is too tight from a previous rebuild many years ago) and want to buy a set of shims to give to the diff shop. (BTW , I'm in Australia so not much info around on these 8.75's, and differential shops usually are not familiar with old...
  3. 70Hardtop

    8.75 SureGrip , Is this Normal?

    I just put a 3.23 SureGrip (741 case) centre into my 340 Hardtop. This centre had previously had new carrier bearings fitted and the unit bench checked for normal operation. With the car on stands and no drive shaft fitted, I noticed some things, can anybody who knows these 8.75 centres tell me...
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