Transfer case is cheap, go to a yard, find any zu with tod, and voila. Better yet, find one without tod, get the regular transfer case, gives you 2hi, 4hi and 4lo. Then u eliminate front prop shaft cv and it becomes a regular driveshaft with universal joints, much better.
We pulled A 4l30e tranny from a rodeo sat, 50 bucks and it had a dipstick! It was for joe d's vx.
-sent from my droid2 global