date codes on BFG tires?
Thread Starter
Melting Slicks
Joined: Feb 2000
Posts: 3,052
Likes: 0
From: Vancouver BC, Canada
date codes on BFG tires?
i have a set of old school Radial T/A's on my Vette and although they have tread, i am concerned about their age. i have no idea when the prev owner installed these tires so i'm wondering if they have a date code somewhere that can be deciphered? i couldn’t see anything on the outer wall.
Drifting
Joined: Aug 2000
Posts: 1,756
Likes: 35
From: Bedford Mass
Oh boy, here we go....
Too many years NCRS I guess
.
On the sidewall of all tires made in the U.S.
,
you'll see some numbers that begin with DOT.
At the end of the string of numbers, the last 3 numbers denote
the week of manufacture for that specific tire. Unfortunately,
it does not denote the decade. In other words, I pulled the
original spare out of my '77 last month. The last 3 numbers were
"416". That translates to the 41'st week of 1976, which makes
sense since my car is a March '77 built Corvette.
Remember that "416" could also be the 41'st week of 1986 also.
Also, the last year tires said GR-70x15 versus P225 70xR15
was on 1977 built cars.... I hope I haven't confused you
Thanks,
Mark B.
Too many years NCRS I guess
.On the sidewall of all tires made in the U.S.
,you'll see some numbers that begin with DOT.
At the end of the string of numbers, the last 3 numbers denote
the week of manufacture for that specific tire. Unfortunately,
it does not denote the decade. In other words, I pulled the
original spare out of my '77 last month. The last 3 numbers were
"416". That translates to the 41'st week of 1976, which makes
sense since my car is a March '77 built Corvette.
Remember that "416" could also be the 41'st week of 1986 also.
Also, the last year tires said GR-70x15 versus P225 70xR15
was on 1977 built cars.... I hope I haven't confused you
Thanks,
Mark B.
Team Owner
Joined: Aug 1999
Posts: 28,704
Likes: 4
From: Fort Mill, SC via NJ
The photo on the left-hand side belongs to a Toyo Proxes T1-S. The production code on all tires are not equal but you will see a special code in an ellipse shape on at least 80% of all tires on the market.
The “last 4 digits� on the ellipse tells us the production date of the tire. The first 2 digits is “PRODUCTION WEEK� and the last 2 digits is the “YEAR�. Assuming there are 4 weeks in a month, we can say that this tire was produced by the end of March 2003 (12=12th week of the year, 03=Year 2003).
5000 means 50th week of year 2000, which means December 2000.
Can't get the pic up so here's the site.
http://www.tuninglinx.com/html/a_tire_pd.html
