Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#11
08-10-2021, 12:32 PM
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Those tires were made in or after 1971 which is when the United States Department of Transportation mandated all tire manufactures use a standardized 10 digit DOT Tire Identification Number.
Goodyear Wide Tread GT RWL tires which came on 1968 and 1969 Z/28s will not have that DOT + 10 digit number sequence 
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