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Polyglas tire date code

Posted By: glenngomango

Polyglas tire date code - 10/24/21 12:52 PM

Can you please help determine the manufacture month and year?

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Posted By: That AMC Guy

Re: Polyglas tire date code - 10/25/21 01:39 AM

5th week of '76 on one tire, 9th week of '77 on the other.
Posted By: glenngomango

Re: Polyglas tire date code - 10/28/21 01:19 PM

Thank you!
Posted By: Mr.Yuck

Re: Polyglas tire date code - 10/28/21 08:52 PM

you aren't thinking about using those are you?
Posted By: kbnos

Re: Polyglas tire date code - 11/01/21 02:17 AM

It kinda depends on what general time period the tires are made. If I could see a picture of the lettering it would help. Tires produced after 71 used the last three numbers for date codes, earlier tires used the first two letters.

The first two letters of the dot number are BH if these are GOODYEAR POLYGLAS raised white letter tires which were used on the 70-71 cars, then the book I have, shows them to be dated 37th week of 70.



Ken Burbach
Posted By: 6bblgt

Re: Polyglas tire date code - 11/01/21 04:12 AM

the tire is NOT a POLYGLAS, "POLYGLAS" was Goodyear's brand/registered trademark for a POLYester-cord / fiberGLASs belted tire

"BH" is the plant code for this particular tire, but it appears that, as tire manufacturing plants/equipment were sold/moved overseas from the US/Canada the existing plant code moved (or was recycled) with them & "BH" is currently in CHINA

during the 1971 calendar year, the DOT code was standardized to what is shown above, where:
BH = manufacturer plant code
UF = size - G60-15
LEF = type (construction & sidewall style)
056 & 097 = date (2-digit week *01 thru 52 * followed by 1-digit representing year)

this format was used for 3 decades until the year 2000 when the year code was increased to 2-digits, so the last digit represents 197?, 198?, or 199?

if the original poster would share more info as far as brand & name/style/tread it is possible that "tire" was only available in one of the possible decades

also to complicate matters, the plant codes have recently been updated to 3-digits & most of the on-line resources no longer show the codes & plants from past decades, only current ones


Posted By: 6bblgt

Re: Polyglas tire date code - 11/01/21 05:11 AM

BH is now 1BH

XUZHOU TONGFEI TYRE CO., LTD. (AKA BROADWAY TYRE)
XUZHOU CITY
JIANGSU PROVINCE CHINA
221011

previously BH was:

Uniroyal Goodrich Tire Manufacturing Kitchener Ontario Canada

Dominion Tire Plant history


Posted By: kbnos

Re: Polyglas tire date code - 11/01/21 11:45 AM

Sorry, I was going with the poster's original use of the word Polyglas, and since Polyglas was a Goodyear branded name, which was the most popular tire used on Mopars of the 60's an 70's, that the original post was referring to Goodyear Date codes of the 60's and 70's not Uniroyal Goodrich Tire Manufacturing Date codes.
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