stock wheels, 37s and 8psi - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 16 Old 10-19-2014, 09:32 AM Thread Starter
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stock wheels, 37s and 8psi

For my last several outings, I have run 8psi without bead lockers and so far no issues.

so far no air has burped out and I have not broken a bead. I don't think the tire is spinning on the wheel either but have not marked the tire.

not sure I feel brave enough to go much lower than 8.





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post #2 of 16 Old 10-19-2014, 09:45 AM
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No need to go lower than 8 with that sidewall flex.

I run ten without beadlocks on the MTr's and never even burped air.

trim those lower shock mounts off in the rear too !

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post #3 of 16 Old 10-19-2014, 10:10 AM Thread Starter
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I had been running 10 psi consistently and without issue there either. Just thought I'd push it a little more.

Yup. Need to trim those. Have a ne set of evo Rockstars sitting around but with my 3" AEV bumps and AEV 5100s, I need to raise shock tops by a little bit.
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post #4 of 16 Old 10-19-2014, 12:25 PM
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Looks like you're getting some seriously good sidewall flex with 8. I'd leave it there.

And yeah, those shock mounts.. i have to address mine this winter, too.

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post #5 of 16 Old 10-19-2014, 01:14 PM
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Wow that's impressive for stock wheels. Nice sidewall flex. What lift are you running?

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post #6 of 16 Old 10-19-2014, 01:24 PM Thread Starter
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That's the AEV 3.5 sans the brackets and MetalCloak arms. Very pleased with the way the jeep is working.
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post #7 of 16 Old 10-19-2014, 02:03 PM
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Dam .. That's crazy.

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post #8 of 16 Old 10-19-2014, 02:19 PM
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Before I had TR beadlocks I ran MT Classic IIs and would air down my MTR/K 37s to 10 or less. Never had an unseated bead, burbng, etc. Kinda depends upon the tire.

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post #9 of 16 Old 10-19-2014, 10:39 PM
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Quote:
Originally Posted by White13JKUR View Post
That's the AEV 3.5 sans the brackets and MetalCloak arms. Very pleased with the way the jeep is working.
Did you ever run the brackets, or has it always been this setup? If you did, can you tell any difference in the ride and on-road handling without them?

That's pretty crazy flex in those tires. I usually run 12 in my 37s and was a little afraid I was pushing my luck. Nice to know I could probably go a little lower. BTW, what size are yours?

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post #10 of 16 Old 10-19-2014, 11:25 PM Thread Starter
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Quote:
Originally Posted by UnlimiDozer View Post
Did you ever run the brackets, or has it always been this setup? If you did, can you tell any difference in the ride and on-road handling without them?

That's pretty crazy flex in those tires. I usually run 12 in my 37s and was a little afraid I was pushing my luck. Nice to know I could probably go a little lower. BTW, what size are yours?
I ran the brackets for a year before installing the arms. MetalCloak said that the arms might be too long even if completey screwed in so I did not even bother. I ran the brackets with both their 3.5" lift on 35" MTRs as well as on the 4.5" lift and 35s then 37s. I settled on the 3.5" lift with 37s and chopped fenders.

Smacked the brackets up. But they never bent. I can tell no difference between the mc arms and the stock arms with brackets in terms of drivability. No difference in dive or highway feel. No plans to put the brackets back on. They are ebay bound. I set the arms per the mc installation guide, which pushes the rear axle back. I notched the passenger rear block.

The jeep is working very well for me now. I do plan to make more tweaks to it in order to try and maximize the flex with what I have. Probably going to install evo rock stars on the rear along with the poly upper shock relocation kit to gain clearance and compression.

I started at 12 and then right to 10 and ran that for a while. Thought I would push things with 8. I still have an old tire crayon kicking around my tool box. I'll be the goofball with marks on the tires below the valve stems (assuming nothing twisted around).
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post #11 of 16 Old 10-19-2014, 11:27 PM
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Quote:
Originally Posted by White13JKUR View Post
I had been running 10 psi consistently and without issue there either. Just thought I'd push it a little more.

Yup. Need to trim those. Have a ne set of evo Rockstars sitting around but with my 3" AEV bumps and AEV 5100s, I need to raise shock tops by a little bit.
Synergy Jeep JK Rear Long Travel Upper Shock Mount move your upper rear shock mounts up 2" and back 2.5".
They take a little cutting but no welding to install, and they're solid. I ran 'em until I did my rear stretch, and they worked great.


EDIT: you mentioned them in your post 10 seconds before my post - I like your idea!

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Last edited by ExWrench; 10-19-2014 at 11:29 PM.
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post #12 of 16 Old 10-19-2014, 11:42 PM Thread Starter
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Yes, those. Selling your old ones?

I already have the mc sway bar relocation blocks.

Edit: I saw your edit and edited too. Old mechanics think alike.

Last edited by White13JKUR; 10-19-2014 at 11:44 PM.
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post #13 of 16 Old 10-19-2014, 11:48 PM
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Sorry, mine already sold. You're the second JKO member this week to ask if I still had 'em.

They're nice pieces - I'd say they're a good deal at full price. You'll dig 'em.

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post #14 of 16 Old 10-20-2014, 07:59 AM
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Was running 10 but I lost a bead on the Dusy. Went back up to 12 now. Want to get beadlocks so I can run less.
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post #15 of 16 Old 10-20-2014, 10:39 AM
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Wow, looks like you're real close to having a problem though. If I had that going on I probably would bump it back up to 10 just to prevent an issue.


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post #16 of 16 Old 10-20-2014, 11:43 AM
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i always run 8psi in my cooper stt 37x13.5 works amazing. I do find myself airing down again around lunch time as the heat of the day will raise them back up over 10 pretty quick down here
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