It's happening....picking up my 37's today!!!

[SuperUltraMan]

Here are some better pictures that better display how much tire and wheel may stick out.
A nice thing about the tires out so far is their ability to help keep the longer wheelbase away from obstacles.
However, it’s also a bummer that the tires cause more splash up to hit the body.
Overall, I’m glad I went with more outside.

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[WILL1E]

Good morning fellas (and ladies if there are any)! Sorry for not getting back to ya'll sooner! The 8hr round trip drive went well, good clear roads all the way and got to see a part of the state I haven't been through in many many years!

The seller was super nice and it helped he was a fellow Jeep lover with some pretty sweet rigs himself! He has a heavily modified '21 Rubicon 392...i'm not an engine guy, but let me tell ya, when he fired that bad boy up and rev'ed her up....i fell in love!!

The tires were everything i expected and I'm quite happy with the purchase! The wheels are 20x10's and he said the backspacing was -18 but i didn't confirm that. I supposed i could pull the numbers off the wheel and cross check it. The tires are definitely heavier than my stockers, i didn't grab a scale to compare but you can definitely tell when it comes to stopping power. They do stick out a bit, but i'm happy with that look.

Bad news. The spare doesn't fit. I got it about half the tire thickness in place and she became fully wedged between the rear trackbar and the receiver of the hitch. So unless ya'll suggest something else, i think i'll be ordering up the bent Clayton track bar.

What tire pressure would ya'll suggest running these monsters at?

Regarding the tire stick out issue. The seller suggested (since he did it on his unlimited 392) I get a set of Recon flare extenders from Mopar. They looked nice and sleek on his Jeep and gave just enough of the right coverage. Can anyone confirm that they would fit on a gladiator? The fenders look identical so it seems like they would.

 

[WILL1E]

Forgot the pictures.

 

[cafecito]

Can anyone confirm that they would fit on a gladiator? The fenders look identical so it seems like they would.

They can, but you need to drill extra holes in the plastic of the fender flares in the rear to get them to fit. The front ones are the same as the Wrangler though.

 

[Sempe-Fi Rubicon]

Love the Before and After!

 

[AlpineChip]

Looks much better with 37s! Lift and leveling next...

Before

After

 

[WILL1E]

Thanks fellas!

Other somewhat unexpected discovery was the tire's only measure out a solid 36". I thought Nitto's were known for actually being spot on to their rated size.

 

[AHenry014]

*shrugs*, my 315/70r17's are spec'd to be a 34.4". I measure just under 33.75" with 35psi in them. ITS ALL LIES!!!

 

[WILL1E]

What tire pressure should I be running in these 37's??

 

[Lunentucker]

What tire pressure should I be running in these 37's??

You can Google tire chalk test, but I'd start around 27 for those fatties.

 

[AHenry014]

You can Google tire chalk test, but I'd start around 27 for those fatties.

this.

 

[Discount Tire]

I like the before and after photos as well.

 

[slowstang305]

Looks really good, nice upgrade!

 

[WILL1E]

You can Google tire chalk test, but I'd start around 27 for those fatties.

I'm running 30-33, varies with this unpredictable WI weather, and i thought that was a bit low for tires that size. I'll have to look into the chalk test. When a quick google search on those tires and that size, it sounded like people are running them alot higher than that...hence my question.

 

[AHenry014]

Chalk test is basically ensuring that you are getting even load across the tread. Put chalk on, drive, see where chalk remains. If the pressure it too high, youll have chalk remaining at the shoulders of the tire. Too low, and chalk will remain in the center of the tire. Even cross, you have the pressure just right. Its a baseline and not super precise. You also have to factor in comfort. If those are load range E tires, then lower pressure will make it more comfortable to drive.

edit: quick google: https://www.jlwranglerforums.com/fo...ould-i-run-do-a-chalk-test-to-determine.4622/

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