How to swap rear gears?

[BeBacIN12]

I blew my rear in my 83 regal. I have a posi unit to be installed along with the other gears. If someone had a link to a good tech article or if they did it themselves and have a good description let me know. Thanks in advance

 

[8GPLE7]

Maybe this will help you out. If you didn't already get to it.

http://www.2quicknovas.com/happyrearends.html

Hope it helps