You should be close to it then.
In terms of maintenance, keep and eye on the slop / play in the diff.
At the back of the car hold the diff between your fingers. If you can move the diff left to right, then you need to add shims, to bring it closer to the input shaft gear. If you don't you'll strip the gears in the gear box. (Same applies to the front.)
MiCk B. :-)
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