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Question
Can you tell what decade this tire was made in?  It's a Goodyear S4S,and the numbers are:  DOT M6UL H1HR 499

         Thanks

Answer
Mike,

Is there an arrowhead near the date code 499?  An arrowhead will look like this <|  If so, then the tire was produced in 1999.  

If not, then the date code is no help.  And the tire name is only of some help.  I remember Goodyear S4S's as being fairly recent, and not from the 1980's or earlier.  

So best guess is 1999.  

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Barry Smith

Expertise

I have over 30 years experience in the design, manufacturing, and testing of tires. I have served as the technical advisor to the "800" number. I have authored or co-authored many publications - usually without credit. I can answer almost any technical question, but please don`t ask me to compare brands. I probably have prejudices because of my work experience.

Experience

Member SAE (Society of Automotive Engineers) Member Tire Society (Tire Technical Organization) SCCA Regional Competiton License holder Authored many training manuals on tires, their care and use.

Organizations
SAE (Society of Automotive Engineers) SCCA (Sports Car Club of America) Tire Society

Publications
You may want to visit my web site: http://www.barrystiretech.com/index.html

Education/Credentials
I am a graduate of the University of Dayton, Dayton, OH - BME, 1971 I attended graduate school at the University of Akron - but did not complete my PhD - something I regret.

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