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Old 09-24-2013, 08:03 PM   #1
livenlearn's Avatar
Join Date: May 2013
Location: Under a Jeep
Posts: 313
Question on shock travel

I seem to have 4 inches of lift on my jeep and I got so tired of the back breaking Explorer shocks that came with the lift that I just took them off and have been running without. ( I know it can be dangerous but lets keep it off that topic) Meanwhile I have been searching around for shocks, and have settled on Bilstien 5100 shocks. I measured eye to eye on my front suspension as the jeep sits and I have ~24 inches and six inches to my bumpstop. So a I would think that shocks for that lift would have a closed length of 18 inches to allow for the most droop. The shocks for 3-4 inch lift on my jeep that Bilstein sells have a collapsed length of 16 inches and a extended length of 28 inches. That doesn't seem right to me. 2 wasted inches of compression and only 4 inches of droop. What do you guys think? Any of you notice the shocks limiting your axle droop?

The Jeep build and money pit. My weekends Build
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Old 09-24-2013, 08:26 PM   #2
1st87yj's Avatar
Join Date: Mar 2013
Location: NE Iowa
Posts: 244
Not sure what shock length I have but my axle stops going down when shock is fully extended. However I have no sway bar, tracbar, or bumpstops. I haven't broke a shock mount or blown a shock yet and I have been on three wheels a few times when on the trail. I know that dosent help any but I am curious about the "right" way to measure a shock also!

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Old 09-25-2013, 12:36 AM   #3
jagular7's Avatar
Join Date: Sep 2013
Posts: 43
Without or disconnected shocks, look to articulate the Jeep to measure your shock lengths. If you live near an industrial area, some have a ramp on the back of the building. Crawl up at an angle on the side of the ramp (driver's side is easier to see)(permission first is a good thing), once you lift a rear tire, park it. Measure the lengths you need eye to eye. Also look at the front setup as well.
Check your soft brake lines. You'll need longer soft lines for you to turn the caliper away from the frame. Next, look at your ds yokes to make sure they are not binding. Full flat droop is best to look at yoke clearance. But articulation is a good way of seeing the issue since you are already underneath it.
For the rear, I've noticed my shock's body is hitting the rear axle during cycling (basically at droop). My frame mounts are still good and haven't rusted enough to break off. MORE has a shock bracket that locates the top of the rear shock more forward.

You can measure at full droop in the garage by raising the frame high enough, supported by frame stands, and remove the rear tires, let the rear axle droop all the way. But articulation forces the opposite side of the axle to droop when it other side compresses.
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Old 09-26-2013, 09:00 PM   #4
livenlearn's Avatar
Join Date: May 2013
Location: Under a Jeep
Posts: 313
Thanks for the replies. I'll see what I got with articulation and full droop when I get some time.
The Jeep build and money pit. My weekends Build
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