Need help on bags.

[6772chev]

I picked up a 67 c10 short box and it has new bags 3gal tank all air line s ran to bags and up by valves. Four valves for each bag is in the glub box truck is c notched in the rear and has chopped a arms to reduce camber up front. I need help finding out how to build or buy a new steering shaft because its too low so it needs ujoints??? Not to sure and where to start with a compressor and switches I would like to run each bag individual I need help basically knowing how everything works and what to do with it is a 3 gal tank big enough ? Thanks if I could possibly get a number to call and just chat about it that would be awesome
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