Try helm.com for factory repair manuals . Transfer cases will be in the unit rebuild manuals , axles are also in these around 30$ , just ordered one from them , haven't gotten it yet , but anyday now!!! CC
1991 Fullsize 5 1/2"lift, 37"ssr's,10Bolt8 lug , 14Bolt ff, 4:56 Detroit rear, 12"fr. 14"r Bilstein remote res.350 P.F.I , 700r4 , 241c W/ sye