Some have the "coil-over" system installed replacing the cross-over spring which some swear by and a few SWEAR AT!
I know Robert DeMarco speaks well of the coil-overs, but our local Bob Gillig
didn't like them and reverted back to the stock springs. I value both of their opinions so that leaves me
Ami's Z has coil-overs, and mine does not. Someday I'll get up to NW IL and drive some of the twisties around Galena with her car. THAT SAID, I've NO complaints doing the DRAGON etc., on several MRs now with the FX3.
