Dave, most of the severe driveline angles on 4x4's have a CV (constant velocity) type driveshaft.

Godspeed32, Is their anyway to rotate the rearend housing (pinion snout) up? Thereby decreasing driveline angle? If not, you can look into a CV type drivleshaft.

I am not really sur ewho could give you all of the information that you would need, or where you can get one.