daltondavid,
As stated above I am not the Mustang expert at all as I don't know a lot about them. Bill is correct in what the registry states and he certainly knows far more than I do about Mustangs. I have the registry also and have wondered about that statement but I have also learned that not everything in the registry is absolute. The reason that I know for a fact my two friends cars have the 428s in them is they have both pulled the motors and did bore & stroke measurements. Now I know why. I did hear one of them say he had changed the cam in his as his cam had a bad spot. That is kind of like the 428s in the Cobras badged as 427s. The registry states that without physically inspecting every car listed, they can't be 100% sure of what is published. I think that Shelby himself quit building them in 1967 and the 1968 models were built by Ford, but Bill can clarify that. I talked to a man from Reno at the big car show they have here every Spring and he had a 1967 GT-500 which his poster said, "Last year these cars were built by Shelby." He told me that Shelby sold Ford the right to use his name and continue building the Mustangs, but he wouldn't let them build Cobras and call them Shelby's. I believe that Ford did build a few Cobras and called them Autocraft or something like that and I think they had 302 engines. I don't remember this man's name, but he said the numbers on his car stated it was one of the last few that Shelby built. He also won best of class. Bill, can you clarify if everything I have said is wrong or partly right or what please?
Ron