Upgrade stock tires/rims with larger stock tires/rims (08 Wrangler Unlimited)QUESTION - JeepForum.com
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Unread 09-18-2008, 08:05 AM   #1
makstuss
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Join Date: Sep 2008
Location: New Jersey
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Upgrade stock tires/rims with larger stock tires/rims (08 Wrangler Unlimited)QUESTION

Hello,
I just purchased a 2008 Wrangler Unlimited X, I am looking to upgrade the
tire and rims, P225/75R/16 with 255/70R/18. Is there any other modifications needed to make the change or anything I should look out for when doing so?
thanks, MAK

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Unread 09-19-2008, 12:39 PM   #2
kjcdc090385
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2004 WJ 
 
Join Date: Sep 2008
Location: buffalo
Posts: 98
I think that is still a factory size...so it should not matter if that is the case..it is like on a wj going from 225/75r16 to a 245/65r17 (not exactly the same but the same concept)...chances are if it is a factory size then there is nothing different between your wrangler and a wrangler that has them on it..just a guess though

and then when you switch..you can ship your old ones to me!!
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Unread 02-20-2011, 03:23 PM   #3
mdnky
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2010 JK Wrangler 
 
Join Date: Feb 2010
Location: Baton Rouge, LA
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2010 Wrangler Sport, 6MT, 3.73, Shrockworks Stubby Front, BFG 255/85-16 KM2s (33.3" x 10), 16x8 ProComp 7069s, MileMarker HI9000, Bushwacker Flat Flares, Clarion NZ500, Boston Acoustics SL60 Components, Cobra 18 WX w/3' Firestick II.
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Unread 02-20-2011, 04:23 PM   #4
BlueLesPaul2006
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2012 JK Wrangler 
 
Join Date: Mar 2010
Location: Townsend, Delaware
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Quote:
Originally Posted by makstuss View Post
Hello,
I just purchased a 2008 Wrangler Unlimited X, I am looking to upgrade the
tire and rims, P225/75R/16 with 255/70R/18. Is there any other modifications needed to make the change or anything I should look out for when doing so?
thanks, MAK
Yes there is only one thing that you need to do. You will have to get Jeep to set your speedo to read the new tire size. that way you will be able to have a correct MPH reading. Or you can get a Superchips flashpaq. If your not planning on going bigger with tires or a lift than have your local dealer update the speedo. The tires will work just fine and will not rub since they are a stock size. I have the same JKU as you do and I run the 255/75/17 that the dealer put on before I bought it. I have had no issues.
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OK, then...the hood is not supposed to flop up and down??

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