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Modified JK Tech Tech related bulletin board forum regarding subjects such as suspension, tires & wheels, steering, bumpers, skid plates, drive train, cages, on-board air and other useful modifications that will help improve the performance and protection of your Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) on the trail.

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Suspension help?

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Old Sep 25, 2011 | 02:05 PM
  #1  
MaxB's Avatar
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JK Newbie
 
Joined: Sep 2011
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From: Miramar, FL
Default Suspension help?

I have a 2010 JK Sahara and I don't use it often as an off-roader. It is a daily driver and I would like to improve the skidpad rating. I will be running 325/60-18 MT ATZs but I need some help with the best type of shocks to install to improve the cornering. It will not be lifted. Thanks ahead of time for your help.
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Old Sep 25, 2011 | 03:07 PM
  #2  
Freewill's Avatar
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Joined: Jun 2011
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From: Olympia, WA
Default

Wranglers have a pretty high center of gravity (COG) for good skidpad results. The tall COG makes the Jeep lean a lot which lifts the inside tires and reduces friction with the road. (Not to mention you can roll it!) Not much can be done about the COG that wouldn't hurt the ability of your JK to be a Jeep.

The 325/60-18 tires are a little more than 33" tall. If you use a 31" tire instead, the COG would be improved some. 31" is the tire size of a stock Sport without any wheel or tire options. It would still give you some off-road ability.

Mostly all the shocks can do is control spring rebound. A stiffer shock will resist body lean somewhat, but the stiffness of the shocks needs to match the springs.

By controlling spring rebound, the shock helps keep the tire on the pavement. A bouncing tire grips the road poorly if at all. So, a new shock could improve lateral G's if your existing shocks are letting the tires bounce.

I'd shop Koni and Bilstien for good road shocks, but there are others. A pretty good economy compromise for on-road performance is KYB, either the adjustable AGX or the Monomax light truck shock.

I just got a big handling improvement on my '11 Sport by installing a set of Rubicon take-offs, but I think that may the same shock the Sahara comes with. Anyone know?
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