I can understand that. I guess that is why most of them don't have it. CA really didn't need it, especially around San Diego. I would think most of the car that got it were destend for the South. But you would think twice today about buying a car without Air over one that had Air. In fact you would probably have to special order the car to have them leave it off.
Restoring a 1968 400 4spd, numbers matching Firebird Coupe, Verdoro Green. Larry My old 68. Wish I had her back.