49 Chevy Styleline four-link help

Hello friends, I'm in the process of doing a frame off restoration of my 49. I am putting a ride tech four-link with a ford 9" rear end. The directions I got are not the best and I'm not exactly sure how to install it. Does anyone have any advice on how to install the four-link? Thanks, any help is appreciated!

 

Here's TCI instructions for their kit, Ridetech video?
Parallel or triangulated?

 

Triangulated, it's their universal four-link.