Ask and you shall recieve! (Flip Top Gas cap Adapter)

Indeed. The screws are just a typical sheet metal pointed screw and there is no actual nut.

Ill have to try to figure up what the average difference is, and maybe make a separate one for these cars. We shall see.

Its interesting that not many have come back to me with this issue since it sounds as if this may be a common "revision" around 1974 or so. It could be that some people didn't mind the additional gap? Or....possibly I just haven't had a huge customer base in the later model cars?