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Jeep Wrangler Tires and Wheels

193 messages,  Last post on Sep 26, 2009 at 5:22 AM

You are in the Jeep Wrangler Forum. Your Hosts are steve_ & tidester

What is this discussion about? Jeep Wrangler, Jeep Wrangler Unlimited, Jeep Scrambler, Jeep CJ-5, Jeep CJ-7, Tires, Wheels, SUV


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#109 of 193
Re: Jeep Wrangler Gear Ratio Changes with bigger Tires [erickpl] by relgnarwpeej
Sep 20, 2008 (12:59 pm)
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Replying to: erickpl (Sep 19, 2008 5:12 am)

Thanks Paul,
When you say "regeared", do you mean just changing out the speedometer gear? Or is there some way to re-calibrate the speedometer to meet the demand of the bigger tires?
 
By the way, where can I purchase a speedometer gear?
#110 of 193
Re: Jeep Wrangler Gear Ratio Changes with bigger Tires [relgnarwpeej] by erickpl
Sep 22, 2008 (5:05 am)
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Replying to: relgnarwpeej (Sep 20, 2008 12:59 pm)

Regearing can take place in the differentials. THAT regearing will affect the perceived power. 3.73 gearing and bigger tires will make your Jeep feel slow and underpowered.
 
Another regear can take place in the speedometer gearing attached to the transfer case. THAT regearing will not affect power. All that does is make your speedometer reflect correct speed. It works in conjunction with your differential gearing and tire size to ensure proper speed and odometer readings.
 
Usually you can get speedometer gears from the dealer from $15 to 30, depending on the number of teeth you need for your tire/gear setup. Given that you only have 31's on there right now, the effects of the larger tire size on power and speedometer accuracy would be minimal. If you have a handheld GPS, drive with it and see how your speed is on the GPS vs the speedo. Save the $$ if you can.
 
Just a note, Rubicons use a different speedometer sensor and it is NOT a gear. It is electronically set and a bit more complicated to do.
 
Here is a writeup for changing the speedometer gear yourself. It is VERY easy.
 
http://www.4x4xplor.com/speedo.html
 
-Paul
#112 of 193
tire pressure monitoring by jlehman
Oct 03, 2008 (7:29 am)
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we just bought our first jeep a 2008 wrangler and the stamped steel wheels have to go so my question is if i change wheels will i have a low pressure light staying on? thats not really acceptable how have other owners dealt with the problem. the people at the dealership dont really seem too helpful. they really dont seem to want us changing anything.
#113 of 193
by tracy137
Oct 05, 2008 (10:14 am)
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Will 33" tires fit on a stock '06 Wrangler?
#115 of 193
by jlehman
Oct 06, 2008 (9:51 am)
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So i take it no one has chenged the wheels on a Wrangler with the tire pressure monitoring yet!
#116 of 193
Re: tire pressure monitoring [jlehman] by erickpl
Oct 06, 2008 (11:56 am)
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Replying to: jlehman (Oct 03, 2008 7:29 am)

Probably need to drill holes in the wheels to fit a TPMS or they just get moved from one wheel to another.
 
-Paul
#117 of 193
Re: death wobble [erickpl] by riclee
Oct 07, 2008 (11:30 am)
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Replying to: erickpl (Jun 23, 2008 4:20 am)

I recently bought an '06 Wrangler Sport which is all stock. On the 2nd day I had it I experienced the DW. After the thrid day of owning it I took it to the dealer. Well this guy obviously thought since I'm a gal, I don't know anything mechanical. He was amazed that being a gal and 58 yrs old I'm actually driving a standard shift. I happily informed him that I drove semi for 10 yrs and have been behind the big wheel for a total of 23. That shut him up.
 
Anyhow, they changed the damper at no charge do to the warranty but charged me $87 for rotate and balance.
 
My boss called a local used Jeep dealer who explained the problem. Chrysler changed out the steering system and I need to install the Rugged Ridge Steering on it. He sounded very convincing. The only problem is that parts and labor will be $330.
 
I've been writing to various consumer organizations in hopes that I can start the ball rolling for a class action suit. Chrystler is denying the fact that they are producing many faulty Jeeps that can one day result in a death. I want to do something before that day comes.
#118 of 193
Re: death wobble [riclee] by erickpl
Oct 08, 2008 (4:22 am)
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Replying to: riclee (Oct 07, 2008 11:30 am)

Stock Jeeps having DW is indeed rare, but has happened. Was this 06 brand new? Just curious.
 
I have a 97 TJ and I've never had DW, though I've had some tire/wheel setups that were out of balance or round. That combo got relegated to the spare carrier. Other than that, even lifted 3" with 33's, I'm doing okay with NO death wobble.
 
I have aftermarket swaybar disconnects, aftermarket trackbar (both JKS), and I have a Grand Cherokee (ZJ) tie rod with new ends. Even with all that change, everything is still running great. And I have the stock steering stabilizer on (which is more of a bandaid/mask than anything).
 
The steering setup for a Jeep has always been a questionable design and a LOT will depend on the draglink and trackbar being parallel. If they are parallel, more than likely it is an issue with one of the joints in the setup (tie rods, track bar ends, drag link connection, or even possibly bad ball joints on the steering knuckles (which I would NOT suspect on a 2006).
 
-Paul

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