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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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PSI Question

Old Mar 26, 2011 | 12:58 PM
  #1  
pemberton's Avatar
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Joined: May 2010
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From: n az
Default PSI Question

Just mounted 315/70/17 duratracks - on a JK Unlimited. What tire pressure should I run on the highway?

jp
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Old Mar 26, 2011 | 01:07 PM
  #2  
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From: The Gorge, Oregon
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I run my 35's usually @28.5 lbs.. but with fuel prices lately I'm now @30 lbs.
Might even go to 32 lbs, but personally I like my ride better at the lower pressures.

I say start @ 28 lbs and chalk test it first.
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Old Mar 26, 2011 | 06:17 PM
  #3  
915RUBICON's Avatar
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From: El Paso, Texas
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I know a JK owner/forum member that keeps his tires 35's BFG's @ 45 psi, he says for the gas milage, so I asked him how he likes the ride?
he said he would never buy that brand of lift kit again......and that his shocks are the worst ever made.

Your going to have to play with it and find where you like it. Between gas milage, wear, and comfort.
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Old Mar 26, 2011 | 06:19 PM
  #4  
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From: Boston, Ma
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I run my 315/70 duratracs at 29.
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