need to replace the factory seats in my 1971 Camaro Z28 RS, since they DO NOT recline and the seat back is fixed it is killing my back. Need to be able to recline the back more than the factory ones. I had Scat Rally seas in my 1968, but they seemed to sit a little too high. Does anyone have first hand experience with the Pro Rally or Pro-90 seats for a 2nd gen? Do any of the later years fit and have reclining back and fit without mods or not? Any help, advise would be greatly appreciated. I already shimmed the front mounts to create a little rack backwards, it has helped some, but not enough. Seems the factory seats sit pretty flat to the floor.