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Old 07-28-2015, 01:23 AM   #1
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Tire pressure question

Just picked up a new Ram express 1500 q-cab 4x4 . It's got the 20" rims with the Bridgestones . There showing 41 pounds in the Front and 44 in the rears from when I picked it up at the dealer . Checked the door jam and it's saying 35psi I believe for the tires that are on the truck and the tires say 45 psi on the sidewalk . Anyway what's the best pressure to run for a good balance of comfort and tire Wear? Thanks in advance
Btw love this Ram and the Hemi , what a sweet truck . I've had many over the years but this is my first Ram and by far my favorite !!!!

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Old 07-28-2015, 04:59 AM   #2
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Do whatever the door sticker says. That's factory recommended.
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Old 07-28-2015, 06:36 AM   #3
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Hi Factor,

Another way to check is the chalk test. Draw a heavy chalk line across the tread surface and drive a few miles then recheck the chalk line and see if it is worn off evenly. Tires should wear across the whole tread pattern. Adjust your air pressure as necessary to get an even wear.

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Old 07-28-2015, 08:26 AM   #4
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Quote:
Originally Posted by hemiram13 View Post
Do whatever the door sticker says. That's factory recommended.
Thanks ,think I'll use that as my starting point .
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Old 07-28-2015, 08:28 AM   #5
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Quote:
Originally Posted by preachp View Post
Hi Factor,

Another way to check is the chalk test. Draw a heavy chalk line across the tread surface and drive a few miles then recheck the chalk line and see if it is worn off evenly. Tires should wear across the whole tread pattern. Adjust your air pressure as necessary to get an even wear.

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That's s great idea I'll have to pick up some chalk .
Thanks !
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Old 07-28-2015, 11:08 AM   #6
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Quote:
Originally Posted by preachp View Post
Hi Factor,

Another way to check is the chalk test. Draw a heavy chalk line across the tread surface and drive a few miles then recheck the chalk line and see if it is worn off evenly. Tires should wear across the whole tread pattern. Adjust your air pressure as necessary to get an even wear.

preachp
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Old 07-28-2015, 12:00 PM   #7
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I run lower pressure in the rear for better traction. The front I've settled on 32psi. It's a personal choice...
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Old 07-28-2015, 12:13 PM   #8
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I use the factory recommended tire pressure that is on the door jamb label with my 275/55R20 tires.
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Old 07-28-2015, 02:58 PM   #9
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Originally Posted by SUPER BEE View Post
I use the factory recommended tire pressure that is on the door jamb label with my 275/55R20 tires.
I think mine are 275/60R20 I've dropped them down from 41&44 to 38 all around . But as soon as I pick up some chalk I'll run them at the sticker reccomendation.
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Old 07-28-2015, 03:02 PM   #10
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Originally Posted by Redtruck-VA View Post
I run lower pressure in the rear for better traction. The front I've settled on 32psi. It's a personal choice...
That's around what I used to run In my Silverado just wasn't sure with the Ram because I've never had 20's and these size tires which are a lower profile then I'm use to "Love the looks btw ". 45 psi on the tire seemed a little high but that's max I'm sure and 35 seemed to much the other way lol . But it seems most are running in the 32 to 35 area.
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