tire pressure

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Nov 24, 2008 | 11:11 PM

proudtruck

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Joined: Nov 2007

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From: PEARSALL,TX

tire pressure

my powerstroke has some 325/60/20 nitto terra grapplers and the max air pressure is 50 psi what do you all run the tire pressure front and rear

Nov 24, 2008 | 11:17 PM

Bergerson

Elder User

Joined: Apr 2008

Posts: 524

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From: Redmond, Or

60 in the front and 50 in the rear, just watch your tires and make sure you are not wearing too much in the center...

Nov 24, 2008 | 11:22 PM

DR JOE

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Joined: Feb 2002

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From: Valley Center, Kansas

70psi all the way around...

Doc.

Nov 24, 2008 | 11:23 PM

Powerstrokedlariat

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From: Bellingham, WA

I'm running those on 315-75-16 and run them all at 55. I do watch my wear though, so far so good. Rotate these tires religiously, or they wont last imho.

Nov 24, 2008 | 11:48 PM

proudtruck

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From: PEARSALL,TX

so the max psi of 50 don't mean anything

Nov 24, 2008 | 11:53 PM

Powerstrokedlariat

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From: Bellingham, WA

I just find 50 to be not quite enough, I like 55 better. Probably a bad idea, I dont really know. So far so good though.

Nov 24, 2008 | 11:55 PM

triskit16

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Joined: Sep 2008

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From: VA

I have the 285 Nittos and I honestly didnt even see the max PSI Rating on mine(wasnt really lookin too hard)...I really didnt care...I ride with mine at 60 all the way around...

Im sure the PSI Max might come in to play with your max payload or something like that...

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Nov 25, 2008 | 01:23 AM

Meatco1

Senior User

Joined: Apr 2007

Posts: 314

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From: Southern Colorado

Simple way to test for correct air pressure.

Run a piece of masking tape across the width of the tire, drive a straight path for a block or so with minimal steering wheel movement. Stop and look at each tire, checking the tape for even wear pattern. Too much gone from the center of the tape, air down. Too much wear on the edges of the tape, air up.

Respects,

Richard