Ever since the Z was finished with the restoration, whenever we took it on the highway, i felt really unstable and weaved alot (yes, we had the suspension all aligned and wheels balanced and everything, all by a highly experienced suspension guy). Well, we go back to our suspension guy our problem and we put it on the lift to check the suspension. This was a drive on lift and we checked the shocks and springs. We were quite shocked to see that our suspension was coil bound in the front. The top 4 coils were all compressed and touching, and the shocks were too tall and had very little travel before they would bottom out. Now remember, this is the Tokico Illuminas setup, which many Z people have, and i strongly recommend people to check for this problem on their Z's, but u wont be able to tell if its coil bound if u jack up the car, u need a ramp of some sort or a drive on lift. We called ProStreetOnline and they recently discontinued selling Tokico springs for any car, but they were very nice and are sending us 2 free Tein springs to see if that will hep us at all. Has any one else had this problem?