how much air in a 33 tire ?? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 10 Old 04-29-2010, 05:06 PM Thread Starter
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how much air in a 33 tire ??

how much air should i run in a nitto terra grappler 33 inch tire? like 35 psi ,doesnt say on the side??
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post #2 of 10 Old 04-29-2010, 05:30 PM
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33" Tera grappler.....
I would run about 30-35 yeah.

Do a chalk test. Get some sidewalk chalk and draw a big thick line across your tire....then drive a little bit and look at the chalk on the tire. You want it to all wear off evenly...

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post #3 of 10 Old 04-29-2010, 05:38 PM
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i run 36psi in my procomp extreme at's


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post #4 of 10 Old 04-29-2010, 05:40 PM
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Quote:
Originally Posted by TheBeatenPath View Post
i run 36psi in my procomp extreme at's
You may want to do a chalk test as well...36 seems a bit high.
Look at your tires and see if they are wearing a little more in the middle than the edges...

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post #5 of 10 Old 04-29-2010, 05:42 PM
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I run 28 psi in my Hankooks (33.6")around town, then bump to 35 for any appreciable freeway travel

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post #6 of 10 Old 04-29-2010, 05:45 PM
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I did a chalk test on my GY MTR's w/Kevlar and I run 28 lbs on the street and air down to 18 on the trail.
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post #7 of 10 Old 04-29-2010, 05:53 PM
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26psi street for me.

9psi on the trail.

See sig.


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post #8 of 10 Old 04-29-2010, 06:41 PM
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I run 30 on the street and air down to 8 on the trail.
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post #9 of 10 Old 04-29-2010, 07:02 PM
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On my BFGs MTKs I run 28 psi on the street and 10-14 off road. I have about 30,000 miles on them and about 75% tread left!

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post #10 of 10 Old 04-29-2010, 07:29 PM
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Quote:
Originally Posted by SONIC View Post
You may want to do a chalk test as well...36 seems a bit high.
Look at your tires and see if they are wearing a little more in the middle than the edges...
i was actually just looking at the chalk line on them earlier and id say i have about a 1/2" to an inch before the chalk line comes should i let out some air to what?


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