1. Get everything in the same vertical plane.
2. Adjust so that the u-joint deflection angles are always equal.
For (1), you need straightedges, squares, and a good level.
For (2), you need the protractor head and a short blade of a machinists' combination square set. Buy a cheap one so you can cut it up as necessary for clearance.
Mike Halloran
NOT speaking for
DeAngelo Marine Exhaust Inc.
Ft. Lauderdale, FL, USA