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Jeep Wrangler JK
JK General Discussion
How do I determine how much lift my Jeep Wrangler JK has?
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<blockquote data-quote="Duster" data-source="post: 449956" data-attributes="member: 20812"><p>When I got my 2016 Rubicon, it took a while to recognize there was some lift. The tires were stock size, but everything else, but after closer looks it seemed that the entire suspension seemed to be replaced. I have crawled around underneath and made a list of everything that was apparently non-stock. Depending on the height of the lift, many of these parts need to be set to the right length or you encounter issues such as the so called "death wobble." The weight of your vehicle will have an effect on the actual amount of lift a kit will really produce. Heavier bumpers, the weight of all the gear carried by the springs, basically everything attached to the body and frame, will compress the springs and shocks, leading to a lower lift than the kit might indicate. </p><p></p><p>Besides the spring height and the shock height, you might look at the length of the vertical link between the front stabilzer bar and the axles. Mine are quick disconnect replacements of the stock links, and are right about 9 inches center to center. Stock are apparently 5 1/4 inches on center. The Rubicon has an electronic disconnect, but some distrusting souls also replace the links between the end of the bar and the axles with quick disconnect links in case the electronic disconnect runs into trouble. The length of these link arms also need to adapt to lift. They can rotate some because they have to, but you want the stabilizer bar to have as much play vertically as you can give it for regular highway driving, so the best tactic is to try and keep the stabilizer bar in the proper rest position, which is with arms just slightly above level. </p><p></p><p>This page seems like a decent overview of the suspension system: <a href="https://www.autoblog.com/2020/03/04/2020-jeep-wrangle-rubicon-suspension-deep-dive/" target="_blank">https://www.autoblog.com/2020/03/04/2020-jeep-wrangle-rubicon-suspension-deep-dive/</a>.</p></blockquote><p></p>
[QUOTE="Duster, post: 449956, member: 20812"] When I got my 2016 Rubicon, it took a while to recognize there was some lift. The tires were stock size, but everything else, but after closer looks it seemed that the entire suspension seemed to be replaced. I have crawled around underneath and made a list of everything that was apparently non-stock. Depending on the height of the lift, many of these parts need to be set to the right length or you encounter issues such as the so called "death wobble." The weight of your vehicle will have an effect on the actual amount of lift a kit will really produce. Heavier bumpers, the weight of all the gear carried by the springs, basically everything attached to the body and frame, will compress the springs and shocks, leading to a lower lift than the kit might indicate. Besides the spring height and the shock height, you might look at the length of the vertical link between the front stabilzer bar and the axles. Mine are quick disconnect replacements of the stock links, and are right about 9 inches center to center. Stock are apparently 5 1/4 inches on center. The Rubicon has an electronic disconnect, but some distrusting souls also replace the links between the end of the bar and the axles with quick disconnect links in case the electronic disconnect runs into trouble. The length of these link arms also need to adapt to lift. They can rotate some because they have to, but you want the stabilizer bar to have as much play vertically as you can give it for regular highway driving, so the best tactic is to try and keep the stabilizer bar in the proper rest position, which is with arms just slightly above level. This page seems like a decent overview of the suspension system: [URL]https://www.autoblog.com/2020/03/04/2020-jeep-wrangle-rubicon-suspension-deep-dive/[/URL]. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
How do I determine how much lift my Jeep Wrangler JK has?
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