Do tires have date codes? - Team Camaro Tech
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post #1 of 10 (permalink) Old Nov 12th, 06, 02:04 PM Thread Starter
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Bill Garrett
 
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Do tires have date codes?

Hope this isnt a dumb question, but do the old tires have date codes?
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post #2 of 10 (permalink) Old Nov 12th, 06, 06:38 PM
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Re: Do tires have date codes?

Yes, they do - if the tire was made after 1969, it has a ten-digit DOT code molded into the inner sidewall; the last three numbers are the date code. The first and second digit is the week, and the third is the year.

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post #3 of 10 (permalink) Old Nov 13th, 06, 11:16 AM Thread Starter
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Bill Garrett
 
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Re: Do tires have date codes?

Thank you, John!
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post #4 of 10 (permalink) Old Dec 3rd, 06, 06:28 PM Thread Starter
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Bill Garrett
 
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Re: Do tires have date codes?

Thought I'd include this here rather than start a new thread. This is from a Uniroyal Tiger Paw, YA0143 Anyone know if this is a date code and what it says?
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post #5 of 10 (permalink) Old Dec 5th, 06, 04:58 PM
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Re: Do tires have date codes?

http://www.tirerack.com/tires/tirete...currentpage=77

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post #6 of 10 (permalink) Old Dec 6th, 06, 03:47 PM
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Re: Do tires have date codes?

I think you may be missing part of the number, look on the other side and see if there is one that is longer...it should look something like hyhl 380 1606. Of coarse depending on how old the tire is on the amount of digits. HYHL is the plant code. 380 is the tire model and 1606 is the 16th week of 2006. If the last digest would have beed 166 and have a triangle beside the last six, that is a decade market, which is used every other decade. The triangles were last used in the 1990's. Anthing over five years, in my opinion should not be used. The Rubber manufacture association (RMA) says that rubber is good for 10 years, but I have seen way to many cracked up and failed tires do to age....better safe then sorry.

69 x-11..LS1, 420.88 horse to the tires,750 Holley Ultra DP, Torquer V2, darksides headers, PRC heads, 10.8:1 compression, forged bottom end, 5 speed. 2008 King Ranch F150 4x4.
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post #7 of 10 (permalink) Old Dec 6th, 06, 05:13 PM Thread Starter
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Re: Do tires have date codes?

Thanks Trex, No I,m not gonna use it, but its the spare in the trucnk of my 69 and I wondered if it was an original tire. It's for show not go.
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post #8 of 10 (permalink) Old Dec 6th, 06, 05:16 PM
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Re: Do tires have date codes?

I used to have a date code, but at my age I'll take any date I can get....
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post #9 of 10 (permalink) Old Dec 7th, 06, 06:51 AM Thread Starter
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Bill Garrett
 
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Re: Do tires have date codes?

So if I'm understanding this, my tire was made the 14th week of 1973.
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post #10 of 10 (permalink) Old Dec 10th, 06, 07:26 AM
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Re: Do tires have date codes?

Quote:
Originally Posted by BillyZ11 View Post
So if I'm understanding this, my tire was made the 14th week of 1973.
If they have the triangle beside the 143, then yes. I still think your missing part of your D.O.T. code. Is the tire measure like a P215/75/15 or more like f78-14? If it is the F78, then, yes 1973...I was two!

69 x-11..LS1, 420.88 horse to the tires,750 Holley Ultra DP, Torquer V2, darksides headers, PRC heads, 10.8:1 compression, forged bottom end, 5 speed. 2008 King Ranch F150 4x4.
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