Don, when I say "side thrust adjustment" I'm speaking to the adjuster bolt (that may be) on the right hand side of the housing when viewed from the front. It's on all HO72 and some HO52 Eaton units. You can see it in the image below.
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rear end 1.jpg (37.96 KB, 117 downloads)


RonR


1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1964 CJ5