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Old 07-26-2015, 07:28 PM   #1
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Tire pressure

Hi I just put 10 ply tires on my 2013 Silverado 1500 ext cab, I pull a 2015 Jay flight 27RLS. What tire pressure should I run?
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Old 07-26-2015, 07:46 PM   #2
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I'm no pro but I'd suggest the pressure on the sidewall, maybe a little less depending on the load capacity of the tire vs the trailer weight.
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Old 07-26-2015, 07:48 PM   #3
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What kind of pressure are they rated for?
I always run at least 50 pounds in the rear tires and at least 45 in the front.
The Michelins I'm running now are rated at 80, although I'm comfortable at 60 all way around.
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Old 07-26-2015, 07:55 PM   #4
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My tires are Goodyear silent armour load range e 10 ply with kevlar
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Old 07-26-2015, 08:13 PM   #5
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If your going over 50psi make sure you have high pressure valve stems (metal not rubber)
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Old 07-26-2015, 09:26 PM   #6
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10 ply tires call for 80 lb. max I believe. I normally run 80 lb. on the drive axle and 70 on the front axle when towing our FW.
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Old 07-27-2015, 04:03 PM   #7
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If your running empty, run them at what ever the sticker on the door panel states (probably 35psi). The truck has been tested at those pressures and that is where it will handle and stop the best. That being said, I air my tires up to max side wall pressure in the rear when towing. I have load range D BFGoodrich All Terrains on my Tahoe. 65psi in the rear and 50psi in the front. In the winter, its completely oppsite for me as it is used for plowing. So the extra pressure in the front helps support the weight of the plow.

The hardest part about running heavier duty tires in todays vehicles is the tire pressure monitering system wont like the higher pressures. Most likely will throw a light on the dash saying theres a problem. They are programmed to run the pressure on listed on the FMVSS sticker on the door frame panel.

And Edd505 is also correct. You need to make sure you have the correct valve stems for those tires.
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Old 07-27-2015, 08:45 PM   #8
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Does the 1500 come with Load E tires?

If you know your axle loads, I've seen inflation tables of load vs. pressure - though I can't seem to find it now.

Otherwise, I try to make sure even contact across the tread. Chalk sometimes helps.

For my TV, I generally run the fronts at 70 loaded/unloaded and backs at 60 unloaded/70 loaded. Otherwise I would bounce down the road. Now when I had the TC or a load of stone, the backs would be at 80, but I would be at max payload then.
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Old 07-28-2015, 01:53 PM   #9
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Quote:
Originally Posted by ADK View Post
If you know your axle loads, I've seen inflation tables of load vs. pressure - though I can't seem to find it now.
Found one: http://www.trucktires.com/bridgeston...loadtables.pdf

Page 12 has for my tire 275/70R18:
psi 35 40 45 50 55 60 65 70 75 80
lbs 2070 2270 2470 2680 2840 3020 3195 3360 3530 3640
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Old 07-29-2015, 06:51 AM   #10
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I have 10 ply (load range E) tires on my truck (Duratracs) and have found through experimentation that they run best at 44psi. They are rated to 80 but I don't find any need to go that high. I may try airing them up to 60 for towing but it already tows so well that I don't see the need.
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