Assistance needed with final suspension rebuild steps

I was reading this article "How To Build In A Suspension Kit In A Dart Swinger 340 - Rebuild it! Mopar Suspension" and found the answer to my most recent question. Here it is:
The pivot shaft can be fully torqued on the bench when using poly bushings, since the bushings allow rotation even fully torqued. If rubber is used, reserve the final torquing of the bushings until the static ride height is set and the suspension is in the final ride position.