Tire Pressure on 37 inch mtr's - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 13 Old 05-08-2011, 07:44 PM Thread Starter
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Tire Pressure on 37 inch mtr's

I know that this might have been said someone but i searched.... Please post if you know.... I am running 35psi per Tire Kingdom.... i was at almost 50 psi.... what should i be running? please help!

-Marc
2010 JKU -- 3.5" RE Lift -- EVO LCAs -- ARTEC Truss and TB mount -- 17" Procomp 7069 -- 37" Maxxis Treps -- Heated Trucklite Headlights -- Synergy Drag flip -- Synergy TR -- Synergy bj's-- EVO 1/4 Pounder -- EVO Tire Carrier -- 4 gal rotopax -- TF Third Row -- China AEV Snorkel

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post #2 of 13 Old 05-08-2011, 08:31 PM
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Chalk test is the best way to get your tire pressure for your Jeep tire/wheel combo. 35psi is a good start point.

Last edited by 4x4x4; 05-08-2011 at 08:38 PM.
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post #3 of 13 Old 05-08-2011, 09:39 PM
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I am running 30 psi in mine

08 Detonator Yellow Rubicon-RE Arms-37" Mt/R's with Kevlar-Riddler Diff Cover-LoD stubby with Stinger-LoD stubby tire carrier-Warn M8000 Winch-Rigid D2's-20" Rigid Light Bar-SPOD-PS Rocker Knockers-PS Body Armor-5.13s-hydro assist-RCV shafts-IPF-Corbeau LG1 seats-12" King coilovers-AEV Hood-AEV Snorkel-5.7L VVT Hemi-AEV hemi Install Kit-4.5" AEV Springs-ProRock 44-AlloyUSA Rear shafts-Spyntech Hubs-Raceline Monters-
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post #4 of 13 Old 05-08-2011, 09:45 PM
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35 psi in mine. Non kevlar if that matters.


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post #5 of 13 Old 05-08-2011, 10:01 PM
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37" MTR's. Running about 32 lbs front/ rear.

Poly Performance - Dynatrac - Currie - Goodyear - Poison Spyder - Warn - PSC - AEV - Reid Racing - Off-Road Evolution - Flowmaster - Delta - Riddler - Micky Thompson - Daystar - Skid Row - Uniden - Rebel Offroad - Firestik - Warrior Products - Viair - HiLift - ARB - Kicker - Infinity
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post #6 of 13 Old 05-08-2011, 10:48 PM
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Quote:
Originally Posted by 4x4x4 View Post
Chalk test is the best way to get your tire pressure for your Jeep tire/wheel combo. 35psi is a good start point.
x2

37" MTRs - 31 psi on all 4

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post #7 of 13 Old 05-08-2011, 11:51 PM
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I run my 37" MTR Kevlars at 35psi. If I go any lower it throws the stock TPMS light. If it wasn't for the light I would probably run them at 28-30psi for city driving.

I ran them at Moab at 15psi for the entire week and other then the light being on they performed well on and off the trail. Sidewall is very stiff on the MTR Kevlar.
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post #8 of 13 Old 05-08-2011, 11:51 PM
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I'm running 37" KM2's at 35psi for over a year and they seem to be holding up fine.

08 2Door Red Rubicon. Rock Krawler 5.5 Longarm Coilover, Polly rear Coilovers. AEV hood & wheels, 37"KM2s, JE Reel 1350 shafts, 5.38 Yukon gears, Superior axles, Shrockworks stubby, Fab Fours rear, sPod, Rebel Offroad brakes, Warn winch and lots more.

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post #9 of 13 Old 05-09-2011, 10:38 AM
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Quote:
Originally Posted by 4x4x4 View Post
Chalk test is the best way to get your tire pressure for your Jeep tire/wheel combo.
X2 I just mounted some 37" MTR/K this weekend and running 28 psi.
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post #10 of 13 Old 05-09-2011, 04:06 PM Thread Starter
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I went to the Jeepers den today to fin out why my tire was so low.... There is a gash in my tire.... I don't think I could've hit anything and it is a clean cut! Just what I need!


Sent from my iPhone using Tapatalk!

-Marc
2010 JKU -- 3.5" RE Lift -- EVO LCAs -- ARTEC Truss and TB mount -- 17" Procomp 7069 -- 37" Maxxis Treps -- Heated Trucklite Headlights -- Synergy Drag flip -- Synergy TR -- Synergy bj's-- EVO 1/4 Pounder -- EVO Tire Carrier -- 4 gal rotopax -- TF Third Row -- China AEV Snorkel

Coming up:
D60 Front 99-04 Ford ARB w/ 5.38
14 Bolt rear ARB w/ 5.38
EVO Long Arm
40/42 MTR's
17" Spyderlock Beadlocks
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post #11 of 13 Old 05-09-2011, 04:16 PM
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Quote:
Originally Posted by JKUnlimitedSport_2010 View Post
I went to the Jeepers den today to fin out why my tire was so low.... There is a gash in my tire.... I don't think I could've hit anything and it is a clean cut! Just what I need!


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Sounds like you might have a hater lurking around
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post #12 of 13 Old 05-09-2011, 04:23 PM Thread Starter
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Yeah I don't like it! And it is a clean cut too! I am going tonight to get the tire patched so I can hold out for a few months until the tire carrier comes!


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-Marc
2010 JKU -- 3.5" RE Lift -- EVO LCAs -- ARTEC Truss and TB mount -- 17" Procomp 7069 -- 37" Maxxis Treps -- Heated Trucklite Headlights -- Synergy Drag flip -- Synergy TR -- Synergy bj's-- EVO 1/4 Pounder -- EVO Tire Carrier -- 4 gal rotopax -- TF Third Row -- China AEV Snorkel

Coming up:
D60 Front 99-04 Ford ARB w/ 5.38
14 Bolt rear ARB w/ 5.38
EVO Long Arm
40/42 MTR's
17" Spyderlock Beadlocks
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post #13 of 13 Old 05-09-2011, 04:31 PM
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Did the chalk test on mine and 30psi was just right. It seems like the best psi for ride as well.
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