78 c20 and 91 burban help

[Smogmonster]

hi im new to the forum and quite new to these body trucks. after lots of searching and not really getting anywhere to most of it
i put a post up on the 73-91 burb section with several questions on axles suspension and steering etc if anybody that has experience could possibly help with i would be gratefull as im sure you guys know.
admin feel free to re post if its in the wrong area?
thanks again