A guy on another forum gave me even more links to follow.


http://www.xse.com/leres/ss/differential.html
http://www.fullsizechevy.com/fscu/axletech/
http://www.drivetrain.com/gm8.5.html
http://www.2quicknovas.com/happyrearends.html

Hope these help you as well. These all are, for the most part, exactly what I was looking for.