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Old 05-13-2017, 02:25 PM
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Duratrac pressures

Just got a set of Rubicon Hard Rock wheels with nearly new 255/75r17 duratracs. What pressure should I run in these. I have them set at 37 right now but it seems like maybe that's a little high


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Old 05-13-2017, 03:03 PM   #2
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I never run 315/75/16 E load DTs over 30 psi.
Generally I run them at 28psi for a comfortable ride. Roads here in Utah are horrible anything over 30 will knock the fillings out of your teeth. If u have C load rated sidewalls you're ok running them a bit higher.


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Old 05-13-2017, 03:21 PM   #3
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What's the sidewall read for pressure?

I have 33x12.5x15 sidewall says 35 max. I run 33-34 good wear, good on road.

DT did a rotation for me, put em at 45#. Dumbasses, they sold me the tires, think they would be competent enough to read a sidewall. Thing drove like crap.
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Old 05-13-2017, 05:36 PM   #4
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Just got a set of Rubicon Hard Rock wheels with nearly new 255/75r17 duratracs. What pressure should I run in these. I have them set at 37 right now but it seems like maybe that's a little high


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I have the same tires and size.
Since they are the stock size on my JKU I stick with the door sticker 35 PSI, sometimes a little higher.
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Old 05-13-2017, 06:43 PM   #5
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My 245/75-16 Load Range E Duratracs show a maximum pressure of 80 PSI. I've been keeping them at the door sticker pressure of 35 PSI. They seem OK there. The ride is comfortable.

The best method is to use the chalk test. (I plan to some day ) It's explained in this link: Jeep Tire Pressure for Oversized Tires. at txtire.com
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Old 05-13-2017, 08:39 PM   #6
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Thought I read somewhere that the Duratrac is a commercial truck tire. That would explain the minimum 35 and maximum 80 Goodyear recommended pressures on the sidewall. I started at the minimum 35 on my 285/75/16s but they were a little stiff. Dropped down to 30 and they seem good there for me.
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Old 05-14-2017, 09:10 AM   #7
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It's my understanding the TPMS goes off when the tires fall 10% below whats listed on the door jam. My door jam lists the original BFG muds to run at 37 PSI, so if it falls 3.7 lbs below that the TPMS goes off. What do you folks who run their pressures under 33 lbs do about the TPMS? Ignore the idiot light? That would drive me insane. I try to keep my 285 70R17 Duratracs at 35 PSI or so to avoid the TPMS alert.
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Old 05-14-2017, 10:31 AM
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Originally Posted by strmanglr View Post
What's the sidewall read for pressure?

I have 33x12.5x15 sidewall says 35 max. I run 33-34 good wear, good on road.

DT did a rotation for me, put em at 45#. Dumbasses, they sold me the tires, think they would be competent enough to read a sidewall. Thing drove like crap.
Sidewall says 51psi max. I know that's WAY too high

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Old 05-14-2017, 10:32 AM
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Thought I read somewhere that the Duratrac is a commercial truck tire. That would explain the minimum 35 and maximum 80 Goodyear recommended pressures on the sidewall. I started at the minimum 35 on my 285/75/16s but they were a little stiff. Dropped down to 30 and they seem good there for me.
There are LT duratracs and P duratracs. We have the passenger tires

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Old 05-14-2017, 05:53 PM   #10
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Old 05-17-2017, 10:59 PM   #11
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I have 285/70/18's the LTs on my JKU and typically run ~36. Experimented a bunch and they ride is certainly a little nice a little lower but it feels to sluggish at anything lower. Sometimes will ever go up a bit before long highway road trips.

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