4" IRO LA Complete kit? - JeepForum.com

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post #1 of 22 Old 07-08-2009, 08:01 PM Thread Starter
jdharri7
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4" IRO LA Complete kit?

Hey, I am looking at getting the IRO 4" critical path front long arm kit for my WJ. And I'm just wondering if there is anything else that I should include to give my Jeep the perfect ride on and off road as it is my DD.

Kit Includes:
Set of 4 new coil springs (4" Lift)
Set of 4 new premium hydro shocks with boots
Set of 4 new extended sway bar links (2 front, 2 rear)
Heavy duty track bar
A-arm spacer
Complete front long arm package (passenger long arm and driver Iron-Y)
Heavy duty front long arm brackets
Transfer case drop kit
Coil spring retainers
Front brake line spacers
Caster adjuster bracket
All necessary hardware

I will definatly upgrade to Doetsch Tech 8000 Shocks, the JKS quick discos, and the adjustable track bar. Would I need anything else? Such as bump stops? What if anything am I missing? Thanks guys!


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post #2 of 22 Old 07-08-2009, 08:08 PM
Jones
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You won't have the perfect ride unless you get front and rear long arms. The front of that kit will ride great, the rear will be rough.

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post #3 of 22 Old 07-08-2009, 08:21 PM
GraKee99
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Quote:
Originally Posted by -ZJones- View Post
You won't have the perfect ride unless you get front and rear long arms. The front of that kit will ride great, the rear will be rough.
Actually the WJ rear suspension is better than the ZJ. It won't be bad because you will get an a-arm spacer but if you want it to better go with adj. control arms or rear long arms. But the WJ rear suspension flexes really well though.

Bumpstops depend on what size tire you run. The best way to do measure for them is get the lift installed, get the tires you want and flex out your suspension to the max. Measure what length you will need.

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post #4 of 22 Old 07-08-2009, 08:22 PM
the88thpianoman
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Depends on how much coin you want to drop, but if you're really looking for "the perfect ride on and off the road" then subtract the shocks from that kit altogether and source some Bilsteins or another quality monotube.

2003 WJ in Jeep Green Metallic, 4.0/242/4.10's. 4" Teraflex springs w/ RE monotube shocks and IRO short arms, cheap intake w/ amsoil filter, 2.5" hi flow cat and back exhaust, lots of lights and other misc crap.

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post #5 of 22 Old 07-08-2009, 08:24 PM
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Quote:
Originally Posted by the88thpianoman View Post
Depends on how much coin you want to drop, but if you're really looking for "the perfect ride on and off the road" then subtract the shocks from that kit altogether and source some Bilsteins or another quality monotube.
x2

And get a Trail Boss SS MOOG

Do you really need brake line Spacers at 4inchs?

Sold4" Hybrid lift TeraFlex coils IRO Adjustable LA's Jks tracbar 1.25spidertrax spacers 265/75/16 Dura-tracs
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The SRt-8's are a liberty design.
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post #6 of 22 Old 07-08-2009, 08:25 PM
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Quote:
Originally Posted by xJoshxx View Post
x2

And get a Trail Boss SS MOOG

Do you really need brake line Spacers at 4inchs?
With long arms, better safe then sorry.

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post #7 of 22 Old 07-08-2009, 08:27 PM
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With long arms, better safe then sorry.
good cause im t-rexing it lol yea long arms more up down movement.

glad im just a street queen that likes bad weather lol.

Sold4" Hybrid lift TeraFlex coils IRO Adjustable LA's Jks tracbar 1.25spidertrax spacers 265/75/16 Dura-tracs
Quote:
Originally Posted by moPowered View Post
The SRt-8's are a liberty design.
2011 WK2 ORA2 sold
2012 WK2 SRT8 - Current
99 WJ Limited Lifted.
2001 WJ stock 4.0 304k miles
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post #8 of 22 Old 07-08-2009, 08:40 PM Thread Starter
jdharri7
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Thanks for all the fast responses!

Quote:
Originally Posted by -ZJones- View Post
You won't have the perfect ride unless you get front and rear long arms. The front of that kit will ride great, the rear will be rough.
I would love long arms but can't afford them now. Hopefully I will get the Clayton long arm upgrade sometime soon after though!!

So with the bump stops, how do I know what length to get? Im goin to be running 265/70R17s for now with is about a 31.6in tire.

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post #9 of 22 Old 07-08-2009, 08:43 PM
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I'd say 4" bumpstops would be enough, then trim whatever rubs. I'd let someone chime in that's run that exact setup though before making your decision.

And no, rear long arms aren't needed until ~6". The ride will be fine at 4" because when going over bumps the control arms will want to rotate backwards, whereas with front arms, they want to rotate forward and upward causing a harsh bump. Even at 4" and crappy shocks, the ride is tolerable with front short arms.
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post #10 of 22 Old 07-08-2009, 09:11 PM
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Originally Posted by gatorayde View Post
I'd say 4" bumpstops would be enough, then trim whatever rubs. I'd let someone chime in that's run that exact setup though before making your decision.

And no, rear long arms aren't needed until ~6". The ride will be fine at 4" because when going over bumps the control arms will want to rotate backwards, whereas with front arms, they want to rotate forward and upward causing a harsh bump. Even at 4" and crappy shocks, the ride is tolerable with front short arms.
measure the hub to fender now and then after the lift and add the difference to the bumpstop length.

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post #11 of 22 Old 07-08-2009, 10:24 PM Thread Starter
jdharri7
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With a 4" lift, do I even need bumpstops? And honestly I'm not even exactly sure on what they do, just make sure there is not metal on metal rubbing?

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post #12 of 22 Old 07-08-2009, 10:29 PM
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The prevent the tire from getting into the fender or other unwanted areas. What size tires do you plan on running?

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post #13 of 22 Old 07-08-2009, 10:38 PM Thread Starter
jdharri7
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31.6s. Which I'm almost positive will not rub even at full flex. Am I wrong?

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post #14 of 22 Old 07-08-2009, 11:02 PM
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No you should be good. So I am guess 265/75/16 then? But like I said before the best thing is get everything installed and test it. Max out the flex and if you need bumpstops then, measure and order them. You don't want to be on the trail and a tire eat into your fender, it isn't fun.

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post #15 of 22 Old 07-08-2009, 11:08 PM Thread Starter
jdharri7
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Well its 265/70R17 but yeah. So I dont understand how bump stops will stop the wheel from going into the fender. Does it just lengthen the lift so that the wheel can't reach the fender?

02 Grand Cherokee, 4.7L V8, 2" BB, K&N Intake, Shaved Door Handles. Selling stock Tail Lights, Headlights, and Door Handles!
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