If you have ever air bagged a vehicle before then you should be able to figure it out.
He's an angel dressed in oilskins; he's a saint in the "Sou'wester,"
He's a pluck as they come, or ever can;
He's a hero born and bred, but it hasn't swelled his head,
For he's just the U.S. Government's hired man.
It Wouldn't be too hard, it'd be a lot easier with two wheel drive so you dont have to worry about the front axle and clearing everything once you lower the truck. the rear would be easy to lower you'd just have to cut into the bed.
Check Out My YJ Build and Give me Advice!! : http://www.jeepforum.com/forum/f22/blue-95-yj-built-college-kid-w-part-time-job-1428767/
built a frame for it out of 2x3 and did a toyota front clip so it has control arms up from lays body on 18's had to heavily modify the upper and lower control arms and had to triangulate the lower arms so i could get rid of the radious arms and did toyota drop spindles with isuzu hubs and rotors so i made it 6 lug and put a isuzu rear in it