> The actual date is defined as "month" (two digits) and "year"
> (two digits)
> of manufacture. The month is coded 01 = January, 02 = February ...12 =
> December. The year is abbreviated to eliminate millennia and
> centuries (i.e., 2006 =
> 06).
Not quite. The first two digits are the _week_ the tire was made, not the
month, so the numbers run 01 to 52. And for tires made before 2000, there
was only a single digit given for year, not two digits.
http://www.tirerack.com/tires/tiretech/techpage.jsp?techid=11
And of course, some tires are not DOT-approved and so do not bear the DOT
tire identification code.
Randall
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