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Old 09-13-2016, 12:00 PM   #1
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What air pressure

What air pressure are you guys running in your LT tires when you're not towing your trailer
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Old 09-13-2016, 12:12 PM   #2
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Quote:
Originally Posted by redcloud1 View Post
What air pressure are you guys running in your LT tires when you're not towing your trailer
That's going to depend on your truck.
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Old 09-13-2016, 12:55 PM   #3
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It's a Chevy Silverado half ton
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Old 09-13-2016, 01:23 PM   #4
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I would look at the sticker on the door and go with that for the unloaded truck. Of course that may be for P radials or whatever came on the truck but I would not go less than what the sticker recommends.
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Old 09-13-2016, 02:11 PM   #5
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Right now I'm running 70 pound in them while I'm towing the trailer
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Old 09-13-2016, 05:04 PM   #6
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I would lower it to 50-55. That will give you over 5K tire load rating per axle, way higher than your axle ratings. You probably don't have very good ground contact right now running on only the center of the tires.


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Old 09-14-2016, 07:25 AM   #7
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The 20 inchers on my RAM recommend 39psi for normal use. I run them at 44psi rated max when towing.
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Old 09-14-2016, 10:37 AM   #8
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First of all what size are your tires and rims. Also what letter designation is on the tires such as E,D or C. I know most LT tires are E but I do not want to assume. On your tires should be a recommend weight/air pressure setting such as 3195LBS at 80PSI. IF so this is the recommend maximum air pressure setting of your tire.


Now the best thing to do is to weigh your truck and trailer on a certified scale. With this information you can determine the proper air pressure to support the load that the truck is carrying when towing. Your tire dealer and or tire manufacture can provides an air inflation table showing what the tires will support at what air pressure. Ask your tire dealer what is the minimum air pressure to use in your tires when you are empty. Anything lower than that pressure and you can ruin the tires.
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Old 09-14-2016, 02:08 PM   #9
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The tires are 265/75R-17 load range e
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Old 09-16-2016, 08:03 PM   #10
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2011 f150 running 18 in nitto Tera grapplers e rating 70. Psi when towing 60 psi when not


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