Ok, I have been told their might actually be a few left. I thought I had the last, unmodified, California 1975 Chevrolet Towne Coup with the 5.7 Liter and two barrel carburetor. When I say unmodified I do mean bone stock. Let me know if you know of any, I have dedicated a FB page to it.
https://www.facebook.com/1975ChevroletM ... 4458303399