05-15-2010, 11:30 AM
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#8 (permalink)
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Base Member
Join Date: Mar 2010
Location: Valencia, CA
Posts: 236
Drives: 09 370Z
Rep Power: 15
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Quote:
Originally Posted by Zerafian
Where does this 72 come from?
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Tire Tech Information - Uniform Tire Quality Grade (UTQG) Standards
The "treadwear grades" section might help... 
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