Chad S, what pump are you using? I seem to remember that the MII racks are designed to operate on 800-900 psi. If you're using some other pump, it may be producing too much pressure, resulting in the skating on ice feeling that you're experiencing. I know that some of the kits included a GM pump that is way too strong for the MII rack.

An alternative might be to contact a hydraulic shop for a pressure reducing valve. I'll bet you could dial it in right where you want it and save yourself some time, trouble and money.