| Hi Mike,
My opinion only --
They "might" still be ok. A good way to check is to borrow a durometer
from one of the racers & check the tire hardness. If it is 80 or more
on the "Shore A Scale" it's likely to separate a tread at an
inconvenient time. I think  the DOT is still in a state of confusion
about the whole subject which is highly political.
If in doubt, I certainly wouldn't knowingly risk my life or an
expensive car on anything as cheap as a set of tires.
Dave Russell
rrengineer@dslextreme.com wrote:
 > Isn't it funny though I have 4 new Japanese made BF Goodrich
 > Touring T/A radials in 175/80R15 with a date code of 378.  It means
 > they were made in the 37th week of 1998.  Never been mounted, but
 > stored indoors.  When I called Hendrix about mounting them, they
 > told me what the date code meant and said they would mount them for
 > me as they were still good for 2 years according to the Dept of
 > Transportation.  Why don't they have a problem with it? Mike
 > MacLean 56 BN2 60 AN5 P.S. Don't worry, my car will probably not be
 > done until after the ten years expires anyway.
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