37in tires

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Nov 20, 2013 | 06:42 PM

iceberg915

Thread Starter

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Joined: Oct 2013

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37in tires

I have a 2008 jeep wrangler rubicon and I wanted to know if I put 37inch tires would I have to change my gears?

Nov 20, 2013 | 06:55 PM

hooper

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Joined: May 2012

Posts: 433

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From: Rosharon, Texas

Quote:

Originally Posted by iceberg915

I have a 2008 jeep wrangler rubicon and I wanted to know if I put 37inch tires would I have to change my gears?

With the 3.8L engine you would really need to. It would drive but it would have no performance.

Nov 20, 2013 | 06:57 PM

stagedtrip

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Joined: Sep 2012

Posts: 3,641

Likes: 10

From: idaho

Quote:

Originally Posted by iceberg915

I have a 2008 jeep wrangler rubicon and I wanted to know if I put 37inch tires would I have to change my gears?

35s on my 09, before I went 4.88s my 4hi was useless

Nov 20, 2013 | 07:05 PM

TheDirtman

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Joined: Oct 2010

Posts: 6,222

Likes: 376

From: Southwest Reno, NV

No, you would not HAVE to re gear. Lots of idiots are running around on 37's and stock gears. I even saw a dumbass say once that 4.10's with 40's was fine on an 08 automatic.

Nov 20, 2013 | 07:16 PM

JKBANDIT55

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Joined: Apr 2009

Posts: 1,254

Likes: 1

From: CRAWLORADO

Quote:

Originally Posted by TheDirtman

No, you would not HAVE to re gear. Lots of idiots are running around on 37's and stock gears. I even saw a dumbass say once that 4.10's with 40's was fine on an 08 automatic.

**^^^^*** haha

Last edited by JKBANDIT55; Nov 20, 2013 at 07:58 PM.

Nov 20, 2013 | 09:35 PM

D_engel

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Joined: Sep 2010

Posts: 2,539

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From: Tempe AZ

Quote:

Originally Posted by TheDirtman

I even saw a dumbass say once that 4.10's with 40's was fine on an 08 automatic.

hmmm...wonder who that could be.

I'm slumming it with 4.10's and 37's, but the 6 speed makes it slightly more bearable. I'm still going with 4.88's when I'm done with all my other projects.

Nov 21, 2013 | 12:19 PM

thegoat

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Joined: Feb 2008

Posts: 517

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From: Colorado Springs, CO

Quote:

Originally Posted by TheDirtman

No, you would not HAVE to re gear. Lots of idiots are running around on 37's and stock gears. I even saw a dumbass say once that 4.10's with 40's was fine on an 08 automatic.

I guess this person never drives anywhere that has a hill. My 08 with an automatic hates going up I-70 west of Denver, CO.

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Nov 21, 2013 | 05:21 PM

bluebear

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Joined: Apr 2012

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From: Orange County

I'm running 5:13's with my 37's...08 auto

Feb 6, 2014 | 10:56 AM

rockcrawler73

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Joined: Apr 2010

Posts: 98

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From: Port Orchard, WA

Running 4:10's in my '08 auto right now on 37's. It does alright until i hit a hill on the highway. Will be upgrading to 4:88's or 5:13's. Any opions on which would be better for alot of trail riding and moderate summer driving? Thanks

Feb 6, 2014 | 11:09 AM

#10

zstairlessone

JK Super Freak

Joined: Dec 2009

Posts: 1,695

Likes: 3

From: Texas

Quote:

Originally Posted by thegoat

I guess this person never drives anywhere that has a hill. My 08 with an automatic hates going up I-70 west of Denver, CO.

Hah! My 08 Rubi hated going up that when it was new and stock :o
If you have mountains or hills on or off road I can't imagine the 3.8 being fun unless you are driving an automatic with a RubiCrawler in the tail housing

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