Yes Bob is saying make the angles the same on the back of the tranny as the front of the diff. Check out a driveline angles drawing to clarify
http://www.streetrodderweb.com/tech/.../photo_02.html. They should be the same but not too much or too little of an angle. Most people recommend 2-3 deg. The rods description is sounding like a Watts if it's going forward and back.