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Unread 10-06-2013, 07:10 PM   #1
NYC_ZJ
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1996 ZJ 
 
Join Date: Jul 2006
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Tire Advise

Hi my brother has a 2009 kk stock with 235 65 R17 that need to be replaced. Trying to find out if a 245 70 R17 would fit with a stock setup without rubbing Thanks!

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1996 ZJ - 4.0 w/ 164,000 miles
3" Rusty's springs, Bilstein 5150's, JKS Quicker Disco's, IRO Adj. Lower Control Arms, OME SS, KOR's adj. TB conv. kit, JKS Rear Track Bar,
31x10.5x15 Goodyear Dura-trac's on Ultra Rogue Wheels
ZJs Only club member #58
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Unread 10-06-2013, 11:32 PM   #2
Skipper6413
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2011 KK Liberty 
 
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Location: Texarkana, Texas
Posts: 337
There's an android app for free out there called tire calculator that will allow you to put your original and new tire sizes in. Then it compares the differences and tells you where you are changing sizes and will even tell you how much it will throw off the speed by. It gives a recommend or not recommend as well.
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Unread 10-06-2013, 11:38 PM   #3
Skipper6413
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Your radius is .7 inch bigger and your speed will be off 3.7 mph. Your tread width is .4 inch bigger as well. Some quick looks at your Jeep with the wheels turned should tell you if its close. It shows not recommended but I think that's pretty conservative. You may choose to get some wheel spacers to help out...not sure if you would need them.
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Unread 10-07-2013, 06:59 AM   #4
NYC_ZJ
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Thanks Skipper6413...I've used the tire calculator and I love it. I'm looking for some real world experiences. Like...would the tire rub the upper fender lip if it gets stuffed while off-roading? Or would the tire hit the front/rear fender while making turns? If this isn't the right size tire...What is the largest size tire I can run without having issues (or keep the issues to a minimum). I'm currently running the factory 17" rim. Thanks for any help you guys can give!
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1996 ZJ - 4.0 w/ 164,000 miles
3" Rusty's springs, Bilstein 5150's, JKS Quicker Disco's, IRO Adj. Lower Control Arms, OME SS, KOR's adj. TB conv. kit, JKS Rear Track Bar,
31x10.5x15 Goodyear Dura-trac's on Ultra Rogue Wheels
ZJs Only club member #58
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Unread 10-07-2013, 07:04 AM   #5
huntb
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They should be fine for on-road driving but I wouldn't do much off-roading with them without a lift
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Unread 10-07-2013, 07:58 AM   #6
NYC_ZJ
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1996 ZJ 
 
Join Date: Jul 2006
Location: Staten Island
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He'll be 98% on road and the occasional 2% off-road and even that won't get too crazy.
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1996 ZJ - 4.0 w/ 164,000 miles
3" Rusty's springs, Bilstein 5150's, JKS Quicker Disco's, IRO Adj. Lower Control Arms, OME SS, KOR's adj. TB conv. kit, JKS Rear Track Bar,
31x10.5x15 Goodyear Dura-trac's on Ultra Rogue Wheels
ZJs Only club member #58
NYC_ZJ is offline   Reply With Quote




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