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Old 01-29-2013, 05:41 PM   #1
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2013 2 door does not track well/wanders

I think I have covered all the basis for a lifted wrangler to have it drive well. Alignment all within spec, brand new RC 3.5" lift, new wheels and new tires properly balanced. Still wants to wander, just doesnt track like my LJ.
I'm a bit dissappointed right now with it. Surely it doesn't have to be like this.
Any clue guys?
Pic of the Jeep for fun.
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Old 01-29-2013, 06:13 PM   #2
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Do you replace the front and or rear track bar. ???
Measure from the inside tire sidewall to the frame both sides on the front, then do the back. This will tell you whether or not your diffs are centered between the frame rails.

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Old 01-29-2013, 06:15 PM   #3
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Alignment done after lift?
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Old 01-29-2013, 06:17 PM   #4
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torque torque and retorque. Do you have adjustable control arms anywhere with that lift? especially lower fronts?
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Old 01-29-2013, 06:19 PM   #5
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Based on your description I'd say your caster was off...only remedy is adjustable control arms. Not sure if your lift included those or not, but for a 3.5" lift, it should have.

The adjustable trackbars will help re-center your axles (if they're indeed off), but won't affect your Jeep's handling the way a lack of adjustable ca's will.

Something to think about, anyway.
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Old 01-29-2013, 06:20 PM   #6
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Based on your description I'd say your caster was off...only remedy is adjustable control arms. Not sure if your lift included those or not, but for a 3.5" lift, it should have.

The adjustable trackbars will help re-center your axles (if they're indeed off), but won't affect your Jeep's handling the way a lack of adjustable ca's will.

Something to think about, anyway.
^This.

I have a 2.5" lift that wanted to wander, added some front adj lca's, fixed my caster, and tada, all better.

Though, now that I look at the pic of your jeep, OP, looks like there are non-stock ca's up front. Do you know what your current caster angle is?
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Old 01-29-2013, 06:42 PM   #7
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Thanks for all the responses.
This lift included new LCA's that are fixed but was supposed to put caster back to stock. Alignment after lift showed 4 degrees. Toe-in was off slightly but easily corrected at alignment shop. This kit uses front/rear track bar brackets instead of adjustable track bars. I have measured and they are dead center.
JKRalph what was your caster?
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Old 01-29-2013, 06:55 PM   #8
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IIRC I set my front pinion as close to 0* as I could (that is, pinion parallel to the ground), so that would be, what, 6* of caster, which is about 2* more than stock. I'd have to stick an angle finder on there to be certain.
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Old 01-29-2013, 07:13 PM   #9
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I guess some upper adjustables might set the caster up a bit more, worth a shot. I'm afraid of driveline vibes as my pinion angle is already off.
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Old 01-29-2013, 07:24 PM   #10
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What psi are those new tires at?
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Old 01-29-2013, 07:32 PM   #11
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What psi are those new tires at?
I have experimented with pressures between 28-35. It all seems the same.
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Old 01-29-2013, 07:43 PM   #12
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the lift is also brand new, right? with fixed arms, you might find handling gradually improves as the springs settle, though I don't know how much they are expected to settle.

like you said, you can put some front adj uca's and adjust your caster to 4.5* or so, see if that helps with tracking without giving you vibes.
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Old 01-29-2013, 07:59 PM   #13
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the lift is also brand new, right? with fixed arms, you might find handling gradually improves as the springs settle, though I don't know how much they are expected to settle.

like you said, you can put some front adj uca's and adjust your caster to 4.5* or so, see if that helps with tracking without giving you vibes.
Yes brand new. I think this is what I will do, adjust them a little at a time.
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Old 01-29-2013, 09:30 PM   #14
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Wait a second did you say rc lift do you mean rock krawler,i just put a 2.5 max travel on mine 2 months ago,love the lift,but what baffles me is you said it came with front and rear track bar brackets,what lift did you get,even the stock mod comes with a front track bar.My point is somthing from your lift loose ,brackets just dont do justice for keeping the front axle in perfect alignment with the frame.
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Old 01-30-2013, 08:33 PM   #15
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Wait a second did you say rc lift do you mean rock krawler,i just put a 2.5 max travel on mine 2 months ago,love the lift,but what baffles me is you said it came with front and rear track bar brackets,what lift did you get,even the stock mod comes with a front track bar.My point is somthing from your lift loose ,brackets just dont do justice for keeping the front axle in perfect alignment with the frame.
Yes I said RC, it's the Rough Country 3.5" series 2. It has front and rear track bar brackets. The axles are perfectly centered. There is nothing loose.

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