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Old 01-22-2014, 09:20 PM
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2.5 RC lift with extra 1" shackles question!

I'm putting the 2.5" on later next month and I'm ordering 1" shackles to go ahead and bump it up to 3.5". My question is, do I need to change anything besides the TC drop? I.e. do I need a longer pitman arm that what comes with the 2.5? Please tell me all that I have to do.

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Old 01-24-2014, 01:14 PM   #2
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That is the same lift I am planning on. From what I have heard and read, you probably won't need anything else. If you get a vibration, then you can do the transfer case drop. Pitman arm should be ok. Steering will need to be adjusted tho. Also, watch your brake lines... I think loosening the line from where it mounts to frame will be enough, but once you install the lift, flex it and inspect for pull.
This should get you enough room for 31's ... maybe 32" tires.

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Old 01-24-2014, 02:11 PM   #3
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Some where I read you can use, a stock Pittman arm from a Cherokee, to get the drop you need for a 4" lift on a YJ. Any body ever hear of this?
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Old 01-24-2014, 09:09 PM   #4
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The 2.5" lift won't come with a new pitman arm or a t-case drop. It shouldn't require either to work.

I wouldn't go any taller than 31's with that lift though. Most shackle lift companies say they are 1" lift shackles because they are 5" long instead of 4". But an inch longer shackle only lifts the Jeep 1/2".

The thing that they do though is change the caster angle on the axles. which is a good thing on the rear axle when you are installing a lift kit, cause it directs the pinion toward the t-case better. Not much, only about an 1/8th of an inch but a little helps.

The front axle however is worse cause it changes the geometry of the steering, not enough to hurt it, but it does change it. It will amplify death wobble if you have any other worn parts on your steering system. But, any lift will do this as well.

I have a 1 1/2" shackle lift on mine...that's 7" from bolt to bolt...Some on here say too long, but mine are custom built out of 3/8 plate steel, with a welded square tube in the center. And it's mine. I built it, I know its solid. To each his own I say.

And Nubby, yes to your question, but they made 2 different steering boxes for the XJ one has a smaller shaft than the other, so needless to say 1 of the boxes doesn't work and the other does. The reason the XJ pitman arm will work is cause of the coil spring front end sitting taller than a leaf spring YJ.
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Old 01-24-2014, 09:21 PM   #5
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The Old Man Emu 2.5" lift comes with the skidplate lowering pucks..and a pitman is not needed.

I run a 2.5 currently, stock pitman and no skidplate drop because I did the SYE kit and am running a high pinion rear.
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Old 01-25-2014, 08:11 AM
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Well I'm already running 31x10.50x15 on stock height. I want to lift to keep from scrubbing and to improve my flex when we ride (not to mention it looks great). With 3" I was hoping to fit 33s under her. Would it be better to do the 2.5 RC lift with a 1" BL then?
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Old 01-25-2014, 10:22 AM   #7
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Quote:
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Well I'm already running 31x10.50x15 on stock height. I want to lift to keep from scrubbing and to improve my flex when we ride (not to mention it looks great). With 3" I was hoping to fit 33s under her. Would it be better to do the 2.5 RC lift with a 1" BL then?
That's what I would do. BLs are pretty cheap, and they don't mess with caster angles, and won't cause the steering to wander like big shackles.

And that setup should allow for 33s, but it might rub a little with stock fenders and flares. I used to run about 2.5-3" of lift with flat fenders and 33s and it was perfect.
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Old 01-25-2014, 02:25 PM
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That's what I would do. BLs are pretty cheap, and they don't mess with caster angles, and won't cause the steering to wander like big shackles.

And that setup should allow for 33s, but it might rub a little with stock fenders and flares. I used to run about 2.5-3" of lift with flat fenders and 33s and it was perfect.
Awesome! I plan on getting flat front fenders, and TJ flares on the rear.
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Old 01-25-2014, 04:59 PM   #9
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Awesome! I plan on getting flat front fenders, and TJ flares on the rear.
If you want rear flares to match the front tubes, check out the smittybilt rear tube flares. They're $130 for the pair, and they look pretty good.
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Old 02-04-2014, 07:11 PM
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I think I'm just gonna put the TJ flares on all the way around.

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