Any way to "de-power" a power steering box?

When I redid my Duster I sent the power steering box to firm feel to get rebuilt. I went with the Stage 2 Kit. This tightened up the steering considerably. So when I turn the wheel it is fairly tight. So that took care of most of the problem with the over boosting of the power steering.

In my car the suspension, steering column and the steering coupler were all rebuilt. There is no play in the box but there is some in the Steering coupler. I've considering installing a Universal Joint like the one made my Flaming River. http://www.flamingriver.com/index.php/products/c0005/s0006/FR1506P

So basically I think there are several areas in you suspension that could result in "Play". You kind of have to deduce it one system at a time. Good Luck!