Thank you Bob. I've never had my original radiator , so have been looking for an original Ford radiator with the correct PN, but document "not" original to the car. The C7ZE 8005 R1 radiator is for sale, so I've asked your questions. The one photo that they do show looks like the Mustagtek photo for a C7ZE 8005 M1 which has wide mounting flanges as if the side wind panels would not be necessary.
Fairly confident that it'a a '67 mustang manual radiator, but will continue to work on finding out it it's a match for '67 A code San Jose GT.
Best regards
Mike