In Navy's original post he says that
Quote Originally Posted by Navy7797
...Its powered by a GM pwr steering pump with reduction valve installed. With the tires on the ground I get what seems to me a lot of movement of the rack when I turn the wheel. ( engine running). ( Yes everything is tight as can be)
He also says in the post with the picture,
Quote Originally Posted by Navy7797
Ok I found a picture of the rack with out the pump installed.
This says to me (could be wrong) that the system is totally plumbed, engine running, pressure to the rack unit when it twists, which adds to the dilemma. With that I'll await the next installment from Navy.