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Old 08-20-2012, 11:12 AM   #1
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Tire pressure question

Quick ? With the the 30x9.5x15 what is a good tire inflation on it

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Old 08-20-2012, 11:16 AM   #2
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Look in the drivers side door jam and it will have the factory recommended inflation which is 33lbs in my 01 TJ. With that said I have 31x10.50 which I find ride better at 28 or 30.

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Old 08-20-2012, 11:17 AM   #3
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31 psi lightly loaded, 33 psi fully loaded with gear and passengers.
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Old 08-20-2012, 02:50 PM   #4
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When you get into oversized tires, wall thickness comes into play with differant manufactures. Adding aftermarket bumpers and body protection changes the vehicle weight. The following is a good practice when wanting to know the correct tire pressure to run.

-Wet driveway down
-Drive through getting tires wet
-Add or remove air until your tires are wet all the way across the tread pattern, this will let you know you are getting even tread wear.
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Old 08-20-2012, 03:24 PM   #5
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Use caution with that method as it very commonly causes some to underinflate their tires by trying to get 100% of the tread onto the ground. Not many tires are designed to run with 100% of their tread on the ground.
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