Here are two of many web pages that explain tire codes. The date is the last
four digits of the DOT code which should be inside an oval.
http://www.ouraaa.com/automotive/maintain/repair/tires_read.html
http://www.tuninglinx.com/html/a_tire_pd.html
As far as how long they last? I don't know. I did a quick google search
but didn't find anything useful. It seems that the majority of people drive
their cars enough to wear them out in a few years. On the other hand, the
Michelins on my TR4 have lasted 25 years and still look brand new although
they must have 5,000 miles on them by now. (yes, I know I should replace
them)
----- Original Message -----
From: DON SCOTT
To: mgb-v8@autox.team.net ; mgs@autox.team.net ; match@ece.utah.edu
Sent: Tuesday, August 31, 2004 11:22 AM
Subject: Re: Are my tyres too old?
So, does anyone on the list know what to expect for tire
life expectancy? Do tires vary by manufacturer and quality
of tire? Do tires break down at varying rates depending on
exposure to sun or the elements? Is there a date stamp on
tires so that you can find out just how old they are?
There must be a lot of collector cars that are being driven
on dangerous tires that look just fine based on tread
remaining. My TR8 with 16,000 miles, had the original tires
on it when I bought it four years ago. The tires looked
fine, except that one of them had developed a bubble in the
sidewall. I replaced the tires and I guess that was the
right thing to do.
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