need a couple simple rear end measurements.

Trying to get my rear end set up. What I need to know is a couple simple measurements.

What is the measurement from the center of the axle to some reference point on the frame in front of it? Say... the Cross member/driveshaft tunnel behind the cab?

Second, what is the angle of the rear half of the driveshaft when at ride height? (From carrier bearing in the middle, to input shaft on diff.)

So long story short. What is the centerline of the axle, and what is the pinion angle supposed to be on these trucks stock? Hero status in my books for anyone who gets me one or both of these answers! Thanks!

Do you have regular cab short bed, regular cab long bed or extra cab?