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jefffoxsr's avatar
jefffoxsr
Explorer
Apr 13, 2017

Proper tire pressure for load range E 10 ply tires

I bought some new tires today. Load Range E (10 ply). Cooper Discoverer AT3. I will not tow with this 2015 Ford F150 but the 35 x 12.50 x 20 tire size only comes in a load range E. I request...
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RinconVTR's avatar
RinconVTR
Explorer
Apr 20, 2017
Going from P to LT, that door sticker for OEM PSI minimums is no longer valid.




*************For LT tires, you go by load inflation charts.*************



For my SUV I found 40 front and 45 rear psi will suffice for everyday driving.

For towing, I have to run at least 50 and 55 to match the OEM tire weight specs.

For added stiffness while towing 50/55 was ok. Now I find 60/65 much...much better.

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