How much street pressure do you run in 35's? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 23 Old 05-21-2011, 10:19 AM Thread Starter
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How much street pressure do you run in 35's?

I have 35" KM2's on 15" rims. I'm looking for a starting point to work on my pressure. I have 35 in them now, which I expect is way too high. Maybe 30 to start? I'm talking interstate driving here.

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post #2 of 23 Old 05-21-2011, 10:29 AM
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35's toyo mt , 27 cold
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post #3 of 23 Old 05-21-2011, 10:37 AM
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28 psi on 315/75R16 Toyo OPMT (35") with a JKU
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post #4 of 23 Old 05-21-2011, 10:49 AM
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I run 34. Get those babies rollin!


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post #5 of 23 Old 05-21-2011, 10:56 AM
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30 psi for me. (cold)


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post #6 of 23 Old 05-21-2011, 11:12 AM
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I run 35 psi get 16mpg
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post #7 of 23 Old 05-21-2011, 11:43 AM
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Check this thread for "tire wear shit"....."it's retardedly simple".

https://jkowners.com/forum/showthread.php?t=26903

Not the same for every tire, for every rig. I run around 27 psi in mine...35" Toyo on 18X9.5 rim.

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post #8 of 23 Old 05-21-2011, 04:26 PM
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Quote:
Originally Posted by Mastiff View Post
I have 35" KM2's on 15" rims. I'm looking for a starting point to work on my pressure. I have 35 in them now, which I expect is way too high. Maybe 30 to start? I'm talking interstate driving here.
i have the same tires and 18" rims, mine say to inflate to 50PSI, i have about 40 in them right now. so mine is probably super high

Rescue Green 2008 Sahara Unlimited; RK 3.5 max travel; 37" Toyo Mt; PSC Brawler lite front bumper; PSC rock brawler rear w/ tire carrier; OR-Fab rock guards; Aev hood

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post #9 of 23 Old 05-21-2011, 04:40 PM
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Quote:
Originally Posted by Monster Jk View Post
i have the same tires and 18" rims, mine say to inflate to 50PSI, i have about 40 in them right now. so mine is probably super high
your say "MAX inflation 50PSI" little bit of diffrence
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post #10 of 23 Old 05-21-2011, 04:47 PM
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28 to 32 Toyos are stiff tho


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post #11 of 23 Old 05-21-2011, 04:51 PM
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I have 35x12.5x15 BFG KM2's just like you are asking about 30psi should be very close without doing a chalk test. Without a programmer your dash will tell you everytime you start you have a low tire. I'm getting good wear on mine and nice ride.


The width of the wheel also makes a difference. I have 15x8 wheels. This helps me keep the bead on when I air down on the trail.
On the trail I go down to 10-11psi.



Last edited by 4x4x4; 05-21-2011 at 05:03 PM.
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post #12 of 23 Old 05-21-2011, 04:54 PM
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Chalk test?
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post #13 of 23 Old 05-21-2011, 05:09 PM
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Quote:
Originally Posted by deker9 View Post
Chalk test?
https://jkowners.com/forum/showthread.php?t=26903
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post #14 of 23 Old 05-21-2011, 05:20 PM
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I run 34. Get those babies rollin!


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me too. not the smoothest ride but a definite difference at the pump.

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2008 Jeep JK Wrangler Rubicon Unlimited
jk-forum, jk forum, jkforum, jeep jk wrangler
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post #15 of 23 Old 05-22-2011, 12:49 AM
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i run 27.5-28

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post #16 of 23 Old 05-23-2011, 04:45 PM
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How do you guys run it below 30PSI and not getting stupid TPS warning? Are you all reprogrammed?
I have BFG 35 and have to run it at 35PSI in order to avoid stupid TPS chime.
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post #17 of 23 Old 05-23-2011, 04:49 PM
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Quote:
Originally Posted by SFBayArea View Post
How do you guys run it below 30PSI and not getting stupid TPS warning? Are you all reprogrammed?
I have BFG 35 and have to run it at 35PSI in order to avoid stupid TPS chime.
I just run them all the same preassure never re-programmed never see the light..


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post #18 of 23 Old 05-23-2011, 04:49 PM
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Quote:
Originally Posted by SFBayArea View Post
How do you guys run it below 30PSI and not getting stupid TPS warning? Are you all reprogrammed?
I have BFG 35 and have to run it at 35PSI in order to avoid stupid TPS chime.
Procal for me , set it at 15psi

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post #19 of 23 Old 05-23-2011, 04:57 PM
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Quote:
Originally Posted by nootherride View Post
I just run them all the same preassure never re-programmed never see the light..
You run them at 28PSI without reprogramming and you never had TPMS to go off? That is strange. I got mine down to 28PSI once and it triggered TPMS right away.
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post #20 of 23 Old 05-23-2011, 04:58 PM Thread Starter
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What TPS? I ordered new tires/wheels from Discount Tire and didn't pay for them to install new ones. You kind of need a procal or something anyway though if you want your speedo to read right.

2011 JK Rubi Unlimited, 6 spd, 2.5" TF Springs, 15" MB72's, 35" KM2's.
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post #21 of 23 Old 05-23-2011, 05:12 PM
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Quote:
Originally Posted by SFBayArea View Post
You run them at 28PSI without reprogramming and you never had TPMS to go off? That is strange. I got mine down to 28PSI once and it triggered TPMS right away.
When I had 33"s I couldnt get the light to go off but when they put all 5 35"s on and set the air pressures I havnt seen It since


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post #22 of 23 Old 05-24-2011, 05:49 AM
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http://www.tirerack.com/tires/tirete....jsp?techid=21

So depending on the weight of your Jeep and the tire type you'll run different pressure...
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post #23 of 23 Old 05-24-2011, 06:18 AM
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Don't know for sure but the guys at Les Schwab told me it will sound if there is a "difference of 5 PSI between tires".
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