Thinking about going coil 4 link in back or maybe just ladder bars and coil...The thing is I heard you should keep the leaf to help support the rearend.
I will post pictures of this 69 road race camaro a buddy of mine is fabin some stuff for ..rules say have to keep factory leaf but can add any traction device
I like totalcontrolproducts.com coilover system but not for over 4g's lol...
Pictures of your rear end setups