George found the car and has the story. My memory is a little hazy on the details so best contact him. I think he lives near you.
http://www.zr1.net/forum/showthread....1285#post81285
If you follow the threads from this time you will learn a lot from them. I am not well versed on the active suspension cars, I believe GM sold one at BJ the year Eric bought his purple car. If not maybe the next year when GM sold the 89 I found in Florida.(Eric bought that one for a song.)
Tyler