those were not the only details of the 14 inch tire , they also had a different Jack hook. same number , but the jack hook had no hole in the side to slide over the the spare tire stud. the jack hook was mounted under the full size spare tier pinched betweened the tire and the trunk floor. see pic.

1970 full size jack hook #2.JPG1970 full s jack hook #3.JPG1970 nos collapsible spare jack hook #2.JPG1970 nos cuda collasapible spare jack hook #2.JPG