08-31-2020, 02:56 PM
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Administrator
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Join Date: Aug 2000
Location: Long Island, NY
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Quote:
Originally Posted by bergy
Interesting Mike - That opens the door for these tires being 1969 vintage. Since the universal code of 4 characters followed by 6 characters went in effect in 1973, my tires don't conform to that system - they are 4 characters followed by 7 characters. So, maybe Goodyear only coding prior to 1973?
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After May, 1971, DOT coding format was the same for all tires. 10 digit which included (3-digit date code WWY) I believe sometime after 1978 it may have changed to 11 digit). I need to do some research to confirm...
In 2000, and (12) digits (4-digit date code -WWYY)
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Steve Shauger
The Supercar Registry
www.yenko.net
Vintage Certification™ , Providing Recognition to Unrestored Muscle Cars. Website:
www.vintagecertification.com
Last edited by Steve Shauger; 09-01-2020 at 02:56 AM.
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