Need some help with the 4 link

[Rhoff2009]

I'm getting ready to order my parts for my 66 long fleet, and I'm not sure how to measure for the bars

I'm going to lay frame with it and I'm already set on the lower bars on the outside of the frame and the wishbone at the top. (not sure of the correct term for this setup) I just don't know exactly how to measure for this setup



Sorry about the crappy drawing

If I remember correctly someone here already used 31" for the lower bars from *****************, I just can't seem to find the thread

1. Is the lower bars measurement for length and pinion setup based on the frame being on the ground or at ride height

2. Should the bar be perpendicular to the ground at full drop.

3. I have no Idea on how to setup the wishbone.

I know I'm probably asking for a lot, but I you guys could point me in the right direction that would be great