I looked at these links and I don't really know why Roadmaster called their product an active suspension. I think that you can do anything that the RoadMaster setup will do by modifying the existing leaf springs. An extra leaf and perhaps an adjustment of the curve will accomplish the same thing without the addition of a dozen extra parts that could break.

The reason that I looked at this post is that I thought the active suspension my my H2 might be the similar. It is not.

The H2 uses a sort of air cylinder in addition to the regular springs, to level out or even lift the rear end of the vehicle. It is not an air shock, but is more like an air spring. This is a truly active suspension that operates on its own or with driver intervention.

There are much more sophisticated active suspensions on the Porsche 928 and some other German cars, but since the H2 uses a lot of GMC technology, it may be adaptable.

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