A what do you think question..

[Daves55Sedan]

Originally Posted by Dave Covey

Even stock ones have to have some shimming as the distance between the floor and frame mounts were never the same.

Both my '55 car and '55 Courier only had shims located in the exact same place, where the frame curves upward at an angle for the rear axle (which would be under the back seat on the 4-dr sedan. Both shims were 1/16 inch thickness. If it were possible to slide the body backward a little they might not have needed any shims, but the holes at the very first mount (at the cowl-to-frame mount) hit the studs so you couldn't slide it back any farther.