anyone know a site that shows and tells how to identify diffs found a 80 1 ton chev crew cab 4wd ,i know it has a turbo 400 and 205 transfer case but wonderin about diffs? dude only wants a 100 bucks as it is written off. thought parts might be useful for a later project thanx guys

any replies would be appreciated
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75 fj40 soa, saginaw power,disk fronts,350 small block,warn 8274,35" mt's, all blown over with some rustoleum
