9" ford rear

["Allan Weidenheimer" <allanw@domain.elided>]

Forgot who asked, but:
With those questions about shims, etc.:  I'd recommend
you just take the center section to a shop and have them
put in the desired parts (pinion&ring gear?) and do the setup.
Yes, it needs shims, but with wear on the bearings and that
parts swapping, you are better off letting a pro do it.  And, 
with a 9" Ford, you can just take the center section, not
the whole axle.  This feature, and the durability, are the
two great things about this particular axle, IMHO.

Allan Weidenheimer
72 1210 Pickup
and some Ford Mustangs