To answer your other questions
Wheel nut torque
http://chevy.oldcarmanualproject.com/gmc/5559mm/5559mm670.html

Axle shaft nut torque start here, find your axle type/model, and go to the end of this chapter for the "specifications"
http://chevy.oldcarmanualproject.com/gmc/5559mm/5559mm014.html

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-