BlakeJ-
I have a 97 eclb and I just got done putting a 4 link rear suspension along with a new frame I spliced in from the cab back. First "build" I have ever done.
I bought the 4 link kit here:
HEAVY DUTY PARALLEL 4 LINK KIT
I used dominator 2600 airbags with fittings to accept schrader valves for now until I convert the ac compressor to an air compressor.
Metals depot had the steel
1/4 inch plate for boxing in frame and making plate on outside of frame to mount the 3x6 tube to
3"x6"x1/4" rectangle tube to have enough spacing for the airbags on axle and room for mounts
2"x5"x1/4" rectangle tube for a cross member
I had to make tabs for the stock shock mounts on the axle but was able to use the existing brackets on the frame.
The whole thing was welded with 7010 rod and 7018 for the brackets for the 4 link.
The front comes next im not sure if i want to keep the dana 50 but do leaf spring delete kit or do a full on super duty dana 60 from late 6.0 era.