Air pressure/towing - Ford Powerstroke Diesel Forum
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Old 08-09-2014, 02:52 PM
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Air pressure/towing

What air pressure is everyone running while towing. I have 35 12.5 X 20 mud tires and towing 11000lbs. I got 18000 miles out of my last tire before breaking 2 belts. Not sure if it was pressure or just cheap tires. I was running 60psi. Thanks for any help.
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Old 08-09-2014, 03:00 PM
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They're E load rating correct? I run 75 rear 65 front all the time.
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Old 08-09-2014, 04:05 PM
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i run the max cold psi thats on the tire. since its hot here in south texas, i check/inflate them in the morning when its coolest
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Old 08-09-2014, 05:47 PM
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Quote:
Originally Posted by strokin-7.3 View Post
They're E load rating correct? I run 75 rear 65 front all the time.
Yes E rated. It seem everything I can find is what your running. Thanks everyone.
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Old 08-17-2014, 04:50 PM
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I run 70 psi all the way around.
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Old 03-28-2015, 07:08 AM
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When towing I run max cold pressure all around as well.
And on the trailer as well...max'em out
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Old 03-28-2015, 07:34 AM
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Max cold psi for Me also
if not loaded/towing I revert back to the PSI i found using the
chalk test http://www.nitrogentiremachine.com/p..._inflation.htm
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Old 05-17-2015, 06:23 PM
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max llisted on tires for me when loaded...will drop'em down maybe 5 psi when unloaded on the truck...but trailer is always full cold PSI listed on tires...always maxem out.
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Old 05-21-2015, 06:16 AM
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Quote:
Originally Posted by SOLOLUCKY View Post
max llisted on tires for me when loaded...will drop'em down maybe 5 psi when unloaded on the truck...but trailer is always full cold PSI listed on tires...always maxem out.

This. Max pressure, esp on trailer tires. Heat and flex kill tires, both are worse with less pressure.
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