I went cruising for tire names listed in this thread and found an ad in google news from the mid 70s. Tires were $50-70, then, and a buck was worth more! They also wore out faster.
Originally Posted By: javacontour
(I went looking for the name and came across this interesting 1976 issue of Popular Science, https://books.google.com/books?id=CgEAAA...mid&f=false)