If you notice on the nose of the 68 version sitting on their showroom, the AMT sticker is covered up. It's the rectangular spot on the front fender, just below the Firebird script. AMT made a model of the Knafel Bird. Not an exact replica obviously, but they sponsored the car. And darn it, that looks red too.
Also noticed that on Steve's webpage, he states, "Apparently this Green and White 1968 Firebird was raced; and the Red and Silver 1967 Firebird may have been a show piece."
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My Bio: I am currently writing articles for POCI's Smoke Signals magazine and enjoy promoting and discussing the history of the Pontiac Motor Division.