Mud grapplers

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Dec 21, 2013 | 07:58 AM

Nightice08

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JK Newbie

Joined: Aug 2012

Posts: 26

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From: Nashvill Tn

Mud grapplers

Anyone running nitto mud grapplers 35/12.5/17 on rubicon factory wheels. What is the street tire pressure. Oh it's a 2d. I know about the caulk test. Would just like to have a general starting point. Thanks in advance.

Dec 21, 2013 | 08:42 AM

afpilot82

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Joined: May 2009

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From: Cheyenne, WY

You will probably wind up around 30 psi +/- 2. Start at 35 and slowly take air out. My 35s wear great at 29.

Dec 21, 2013 | 09:23 AM

Maertz

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Joined: Apr 2011

Posts: 4,482

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From: Neenah, Wisconsin

Quote:

Originally Posted by afpilot82

You will probably wind up around 30 psi +/- 2. Start at 35 and slowly take air out. My 35s wear great at 29.

damn i run mine at 22psi winter and 20 psi summer.

Dec 21, 2013 | 01:02 PM

ATFPat

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Joined: Jun 2010

Posts: 134

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From: PA

I run around 35psi for everyday road driving. 30,000 miles and still run great with even wear.

Edit: running trail grapplers

Last edited by ATFPat; Dec 21, 2013 at 01:05 PM.

Dec 21, 2013 | 04:33 PM

Ryan0260

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Joined: Jun 2011

Posts: 11,054

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From: Hendersonville, Tennessee

Since you are running them on narrow 7.5" wheels, make sure to do a chalk test to make sure you have a good contact patch with the road. I would start around 28 psi, and you will probably end up lower.

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