Building Diffs

Old 01-21-2009, 09:37 AM
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It's important for the faces of the rings to be flat, I agree, but it's also important for the faces of the ring to be parallel to each other. I'm not of the opinion that hand-sanding can achieve that. On the other hand, if the rings are stamped from a reasonably flat piece of metal to begin with, sanding may indeed remove any high spots induced by the stamping/heat treat, but still not introcude any taper (unless someone sanded on the rings for a week straight...)

Now if someone were to put the rings on a surface grinder and make dead flat dead parallel faces, I'd be buying those rings exclusively. They'd be expensive, but if you're not slipping the diff a set of rings lasts a LONG time.
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Old 01-21-2009, 10:09 AM
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Originally Posted by Trips View Post
If you're not slipping the diff a set of rings lasts a LONG time.
Very true
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Old 01-22-2009, 01:40 AM
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with the thrust race (the very small circle of balls that goes through the differential centre bolt) after you have put a comfortable amount of grease on the thrust race, put a small piece of foam in the outdrive before you put the driveshaft in.

This will stop any dirt/grit getting into the grease/thrust race and wearing it out quicker
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