Hi all,
Just curious as to when the transition of tire sizes took place from the older, for example, 7.75 x 15 to the letter/number style such as F78-15? Specifically, I'm wondering if Goodyear Polyglas GT F60-15 raised white letter tires were available in 1966 or did they come in in the late 60's?
Thanks,
Bob
Just curious as to when the transition of tire sizes took place from the older, for example, 7.75 x 15 to the letter/number style such as F78-15? Specifically, I'm wondering if Goodyear Polyglas GT F60-15 raised white letter tires were available in 1966 or did they come in in the late 60's?
Thanks,
Bob

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