10-19-2019, 01:51 PM
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#4
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,367
M.O.C. #4831
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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
https://www.sailuntire.ca/PLT/S637st.html
__________________
Carl (n Susan)
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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