Here's a few post that might help you out..
Setting up a four link
Tuning 4 Link Rear Suspensions for the Drag Strip
I hope you know the difference between four bar and four link... Most people don't know the difference between the two... If you do a search on google you will see what I'm tlaking about,, Everyone call's a four bar set up a four link.. It's not.. It is a four bar,,
Art Morrison's has a nice video as far as I remember...