triangulated 4 link help
Art Morrison has a triangulated setup ,even can get a sway bar for it :
[ame]http://www.artmorrison.com/instructions/tri4-bar1-Model.pdf[/ame]
http://www.artmorrison.com/rearclip-tri4bar.php
Not sure those dimensions could be used for a Dana though.
Video on a couple of their setups:
[ame="https://www.youtube.com/watch?v=aO2yva2JvAY"]Break-Down: Art Morrison Camaro - YouTube[/ame]