Originally Posted by fullmetaljacket
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I would suspect that by 70'-71' the tires were everywhere. I believe they came on the scene in 68'-69'


I'd bet mid-'70s - anyone that has any? they will have date codes on the sidewall

there will be old ads & "new product" promotions in magazines like HOT ROD - to date their introduction

formula 1 SS ad.jpgformula 1 ad.jpg