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Old 03-21-2007, 07:40 PM
Join Date: Feb 2007
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kjack is on a distinguished road
diamaris tire?

what is the diff between diamaris 275/40/20 102 w and 275/40/20 106 y?
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Old 03-21-2007, 08:01 PM
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The letter indicates the speed rating of the tire. Y is rated for faster than W. Not sure exactly what the speeds are. I could be wrong but the numbers shown next to the letter (102 W and 106 Y) look too low to be the speed rating

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Old 03-21-2007, 08:03 PM
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kjack is on a distinguished road
thanx for that info.
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Old 03-22-2007, 12:41 PM
Join Date: Feb 2007
Location: Indiana
Posts: 114
doc@tirerack is on a distinguished road
106Y has more load carrying capacity and a higher speed rating.... Both will lead to a harder sidewall.
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