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Modified JK Tech Tech related bulletin board forum regarding subjects such as suspension, tires & wheels, steering, bumpers, skid plates, drive train, cages, on-board air and other useful modifications that will help improve the performance and protection of your Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) on the trail.

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What psi do you guys run

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Old 09-21-2014, 06:28 PM
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Default What psi do you guys run

I have 295/70/17 trying to find the sweet spot for my terra grapplers
Old 09-21-2014, 06:29 PM
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38psi
Old 09-21-2014, 06:30 PM
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I run mine at 25.
Old 09-21-2014, 06:59 PM
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I run 32 to keep the dash light off until I get a programmer then it's going to be 28ish.
Old 09-21-2014, 07:13 PM
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Daily driving? I run mine at 32psi had my wheels balanced at damn near 50psi (poor shop) and now my steering wheel shakes a little
Old 09-21-2014, 07:15 PM
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32 in the front. 30-31 in the rear on 35 tires.
Old 09-21-2014, 07:23 PM
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Wouldn't you be better off with a chalk test to see what a good psi for 'your' tires is, rather than comparing to other people with different tire brands, different tire sizes, different load rates, different models, different overall vehicle weights, different preferences, etc, etc ?
Old 09-21-2014, 07:36 PM
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Trail grapplers 35x12.50x17 load range e, 27 psi

Suspension set up, Wheel & tire size are relevant when considering
Old 09-21-2014, 08:03 PM
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Chalk test is the best way for sure. I run my 40's at 28-29 psi.
Old 09-22-2014, 07:00 AM
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+1 for the chalk test. I run mine at 28 PSI


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