02 wrangler suspension lift LA compatibility questions. - JeepForum.com
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post #1 of 16 Old 09-02-2013, 05:40 PM Thread Starter
motoxracer801
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02 wrangler suspension lift LA compatibility questions.

Hey everyone. I have a 2002 wrangler with an unknown 3" lift. The lift is springs only. It still has factory control arms upper and lower. I found a thread on how to figure your lift amount. Mine is right at 3". Believe it or not the suspension performs nicely and has enough flex for non jeep owners and jeep drivers that dont own a wrangler to stop, gawk and ask questions.

So this is my question. I am wanting to put a long arm kit on my jeep. Im not rolling in moneyso my options are as follows. Rough country long arm add on. My question for this is, the add on kit from RC comes in 2.5", 4", 6". Will the 2.5" LA add on work with my 3" of suspension lift? That kit costs around 800 bucks. Should I upgrade to the 4" RC LA complete kit for 1500? Is the 6" RC LA kit overkill? My imagined set up was going to be a 4" RC LA kit with genright or AEV high rise fenders with 35s or 37s.

It is a daily driver. Im not worried about fuel milage. It will recieve gears, axles and all the necessary upgrades to run my set up I desribed. It will be something I put together over time. So as of now ive got the money to purchase the long arm upgrade. But im curious if I should just save a little more for the complete kit. Is a 4" long arm pointless? Dont you want to to stay fairly low to the ground for crawling? I live in Texas so we have a number of trails here. Rocks, loose dirt, packed dirt, sand, hills. A litrle of everything. Thank you in advanced.

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post #2 of 16 Old 09-02-2013, 06:15 PM
tyvanwie
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Why rough country?
Why long arms?
Why don't you have longer shocks?

There are things you need to consider before you decide that a rough country long arm is what you want...

I don't even own a jeep anymore
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post #3 of 16 Old 09-03-2013, 07:16 AM Thread Starter
motoxracer801
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Would longer shocks benifit me? I know that ill have to add longer shocks with the LA kit. But will it give me more travel as i am now? The reason for wanting the long arm Is because occasionally ill get into areas where one tire is in the air while the other 3 are on the ground. It makes for poor traction. The reason ive thought about rough country is because ive heard its a good lift for the price.
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post #4 of 16 Old 09-03-2013, 08:32 AM
2k2wranglerx
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Quote:
Originally Posted by motoxracer801 View Post
Would longer shocks benifit me? I know that ill have to add longer shocks with the LA kit. But will it give me more travel as i am now? The reason for wanting the long arm Is because occasionally ill get into areas where one tire is in the air while the other 3 are on the ground. It makes for poor traction. The reason ive thought about rough country is because ive heard its a good lift for the price.
Just going long arm doesn't necessarily equate to more travel. even on a short arm kit you can get a lot of travel.

whether your have long arms or short arms your springs will unseat at the same point. what a Long arm will help with is keeping the axle where it should be upon droop. a standard short arm will move the axle towards the frame mount more than a long arm will when you droop.

that said... at 3"... you don't really NEED to long arm.

at 4"... it can go either way... I've run 4" springs with long and short arms. the on road ride of the long arms was better. But offroad crawling with the same 10" travel shocks it was about the same.

93 yj. 355 chevy, heads, cam, intake, etc. 35's, bumpers, winch, lights, and a killer stereo.
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post #5 of 16 Old 09-03-2013, 05:21 PM Thread Starter
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I get really crazy travel as it is. For it being stock control arms i was impressed. It gets 10x the travel of my old cherokee that had an RC 4.5" lift. I have also contemplated upgraded to the normal RC short arm kit. The thing that makes me unsure is how good my lift rides. The kit thats on it rides AWESOME. So the only reason id consider it is to get the better control arms and possibly more flex. Would it give me more travel? Or am i just better off getting JKS control arms and longer shocks?

I added a picture of my wrangler on the trail yesterday. I hope its big enough to see.
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post #6 of 16 Old 09-03-2013, 05:26 PM
tyvanwie
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So you want long arms for more "flex"?

I don't even own a jeep anymore
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post #7 of 16 Old 09-03-2013, 05:34 PM Thread Starter
motoxracer801
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well, i say "flex" But more suspension travel. In that picture that i posted. My jeep tire barely hovered. If i would have had 2 to 3 more inches of tire drop my tire would have been planted firmly enough that my wheel wouldnt have free spun. Yeah, i still got out fairly easy. Why not make it a little more capable though.
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post #8 of 16 Old 09-03-2013, 05:37 PM
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Moto,

What determines total suspension travel?

Now with that in mind, are you sure you have 10x the travel of your old XJ?

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post #9 of 16 Old 09-03-2013, 05:48 PM Thread Starter
motoxracer801
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No, not literally 10x more. Just a figure of speech. I was saying that i had satisfactorily more travel than my old XJ.
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post #10 of 16 Old 09-03-2013, 05:51 PM
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OK....

So what ultimately determines your total suspension travel?

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post #11 of 16 Old 09-03-2013, 06:02 PM Thread Starter
motoxracer801
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I dont know what determines total suspension travel. Thats why im asking.
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post #12 of 16 Old 09-04-2013, 06:09 AM
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Your coil springs.

The difference in length between full compression and free-standing height is how much travel you can use. Choose shocks that agree with that travel and your shock mount positions. Set up the bump stops correctly. Once you're at that point, educate yourself on link suspension geometry.

Longer arms won't "give you more flex." I'd recommend learning first and opening your wallet second.

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post #13 of 16 Old 09-04-2013, 07:14 AM Thread Starter
motoxracer801
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Is there any good books I can buy or articles you know of that I can read?
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post #14 of 16 Old 09-04-2013, 08:11 AM
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Quote:
Originally Posted by motoxracer801 View Post
Is there any good books I can buy or articles you know of that I can read?
Pirate has some very useful threads on link suspension. You can also read some build threads here like imped's.
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post #15 of 16 Old 09-04-2013, 08:57 AM
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Binding a driveshaft and dropping springs is easy.......

I want your factory 07-up take-off/thrown out JK front/rear Lower Control Arms! Bent ones are perfect also as long as the bushings and cold cut rings are in good shape/useable


HighLine Hood Jeepers
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DIY highline fenders.... 34-37's under 0"-2.5" lifts
shock length, bumpstop extension, tire size chart click here
DIY shock shifters, more uptravel/better ride




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lift advice , long arm kit , long arm upgrade , wrangler

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