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rear track bar relocation?

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Old May 9, 2011 | 09:12 AM
  #1  
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Default rear track bar relocation?

I recently relocated my front track bar and drag link on my current 3" lift. I have not yet relocated my rear and plan to put in 4.5" coils this week. In WOL's suggestions for a 4" lift, he recommends relocating the rear as well. I'm not sure I understand why the rear needs to be raised too. Can someone help explain how this will affect the ride?

I am hesitant because I have a JKS track bar brace welded on already that would probably be in the way of installing a relo bracket onto it.

not sure what I need to do.
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Old May 9, 2011 | 11:14 AM
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anyone have thoughts on this?
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Old May 9, 2011 | 11:22 AM
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Originally Posted by MOKOS
anyone have thoughts on this?
Does your jks bracket already raise it more than normal? Raising it will improve your roll center and get your trackbat more parallel withe axle. If have an adj trackbar on the rear, IMO that's all you really need , ride isn't really that much different. That said I have a TF relocate/reinforcement bracket on mine with an adj tb , but I have it on the lowest hole.I got the bracket mainly for the reinforcing it provided. If you have a weld on jks you should be good to go with an adj trackbar.
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Old May 9, 2011 | 12:06 PM
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I have about 4" of lift. I did the weld on rear jks trackbar reinforcement. I also welded on the relocation mount at the same time. I think mine was maybe a fabtech one or pro comp. I like the relocation mount because it keeps the bar more horizontal, better handling bla-bla, but it will tear off the stock axle mount over time.

Last edited by Castalone; May 9, 2011 at 02:04 PM.
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Old May 9, 2011 | 12:09 PM
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Originally Posted by mkjeep
Does your jks bracket already raise it more than normal? Raising it will improve your roll center and get your trackbat more parallel withe axle. If have an adj trackbar on the rear, IMO that's all you really need , ride isn't really that much different. That said I have a TF relocate/reinforcement bracket on mine with an adj tb , but I have it on the lowest hole.I got the bracket mainly for the reinforcing it provided. If you have a weld on jks you should be good to go with an adj trackbar.
yeah I have the welded on JKS bracket. it just reinforces the stock mount and doesn't raise it up. I didn't know if it was going to throw things off by relocating the front but not the back. I do have an adjustable JKS rear track bar as well. Thanks for the info.

sounds like I might be able to raise it up as well using one of the other brackets decribed in the post above... I'll check those out.

thanks guys.
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Old May 10, 2011 | 04:41 PM
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I have the same issue. I have the JKS reinforcment bracket that doesnt raise anything just makes the stock axle bracket in rear stronger. Want to get ADJ track bar and get rid of RC frame side bracket but dont know if I need a bracket and adj trackbar at same time. I have 3.75 inces of lift in front and 3 in rear approx.
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Old Sep 16, 2011 | 12:31 PM
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Originally Posted by MOKOS
I recently relocated my front track bar and drag link on my current 3" lift. I have not yet relocated my rear and plan to put in 4.5" coils this week. In WOL's suggestions for a 4" lift, he recommends relocating the rear as well. I'm not sure I understand why the rear needs to be raised too. Can someone help explain how this will affect the ride?

I am hesitant because I have a JKS track bar brace welded on already that would probably be in the way of installing a relo bracket onto it.

not sure what I need to do.

I was using the seach and found this and was woundering what you did or used as I just did my front and now want to raise the rear. I also have the JKS on the rear.
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Old Sep 16, 2011 | 02:46 PM
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Ive got the adj JKS on the rear with the brace as well. Its at the same highth as stock and ive got a 4 in lift. Works good for me.
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Old Sep 16, 2011 | 03:00 PM
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As many have shown, you can get away without a bracket, but Trackbar brackets are very benefical on many levels.

First: Assuming stock mounting locations. The more you lift the JK the steeper the angle of the trackbar gets from horizontal. The steeper this is the more your axle will shift from left to right as your suspension moves up and down over bumps. This shift is minimized greatly the closer the Tbar gets to horizontal. When the axle shifts during the suspension cycle is what primarly leads to the feeling the Jeep can have of wiggling around like a boat.

Second: By raising the Tbar at the axle, (not lowering at the frame, this has opposite effect) you are altering what is called roll center closer to what it was when the JK was stock. Roll center is the major factor on how much the JK leans into a turn. The better the roll center (raising the trackbar mount at the axle) the better the JK will turn at speed (less roll).

Third: The JKs Tbar mounts on the axles are know to be weak and break off, so bracing them with an aftermarket bracket (and one that helps the other two areas) is a good idea.

EVO...

http://www.offroadevolution.com/stor...d=EVO-REAR-RCC


Last edited by Andrew@EVOMFG; Sep 16, 2011 at 03:04 PM.
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Old Sep 16, 2011 | 06:34 PM
  #10  
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Originally Posted by Andrew@EVOMFG
As many have shown, you can get away without a bracket, but Trackbar brackets are very benefical on many levels.

First: Assuming stock mounting locations. The more you lift the JK the steeper the angle of the trackbar gets from horizontal. The steeper this is the more your axle will shift from left to right as your suspension moves up and down over bumps. This shift is minimized greatly the closer the Tbar gets to horizontal. When the axle shifts during the suspension cycle is what primarly leads to the feeling the Jeep can have of wiggling around like a boat.

Second: By raising the Tbar at the axle, (not lowering at the frame, this has opposite effect) you are altering what is called roll center closer to what it was when the JK was stock. Roll center is the major factor on how much the JK leans into a turn. The better the roll center (raising the trackbar mount at the axle) the better the JK will turn at speed (less roll).

Third: The JKs Tbar mounts on the axles are know to be weak and break off, so bracing them with an aftermarket bracket (and one that helps the other two areas) is a good idea.

EVO...

http://www.offroadevolution.com/stor...d=EVO-REAR-RCC

this is what i'm trying to do but will this work with the JKS braces I aready have welded on my axle
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