Thread: L. R
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Old 10-19-2019, 02:51 PM   #4
Carl n Susan
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Join Date: Oct 2005
Location: Carmichael - CA
Posts: 4,153
M.O.C. #4831
I sure don't see a R speed rating for the two S637 ST tires (80 v. 85 aspect ratio). Both are "L's according to Sailun
Carl (n Susan) Youngren
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB

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