ok so what I did to get the car level was took a level on the door sills to find out if the car is level from front to back and then to level from side to side I put the level on the front rad support and on my fuel cell in the trunk.
the ladder bar setup itself is from competition engineering and the cross memeber is between the frame rails (well between the frame connectors)
I have the jack stands located on the front frame and on the "slapper" bars in the rear the rear end is still attached to the orignal leaf springs.