IRO ZJ Front Long Arm Install ( Step by Step Pics ) - JeepForum.com

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post #1 of 65 Old 02-07-2009, 04:02 PM Thread Starter
CLNinja
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IRO ZJ Front Long Arm Install ( Step by Step Pics )

Ok so i got some time today to put my HP30 back in the front and put the IRO long arms on at the same time.

First i pulled off my stock control arms.... heres a picture for everyone to see what driving on stock control arms at 4.5" lift for a year will do. you can see how bent up they are from where they contact the axle...im lucky they didnt cave in on me completely.



Next i took off my KevinsOffroad.com Crossmember + TC Skid ( which is for sale.. pm me if interested ) so i could install the new IRO crossmember.



Below are pictures of where the holes for the crossmember need to be drilled... its extremely easy to drill since there is a lip that the bolts/nuts go through....you dont have to fish a nutplate into the unibody ( the rear has a nutplate )







the outer 2 holes are the stock crossmember mounting holes and the 4 other ones are the ones that need drilled



Next we bolted the crossmember on and connected the transmission mount to it.

Connected the LA's to the axle.....then connected them to the IRO crossmember










Matt
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post #2 of 65 Old 02-07-2009, 04:02 PM Thread Starter
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The install went extremely smooth untill the end...where we ran into a few things that i wanted to make everyone aware of.
- I was at 4.5" of lift and my front driveshaft worked just fine...now that the axle is pushed further forward... my front driveshaft is about 2 7/8" too short. YOU WILL NEED A NEW FRONT DRIVESHAFT for the front long arms... i havnt ordered the rears yet so i dont know about the rear... i would guess that you would need one for the rear as well

- second... stock steering = the suck when it comes to this kit. I called IRO and they said they have ran into this problem before. Where the drag link and tie rod connect to one another was hitting the sway bar mount and the Steering Stabalizer (mount and shock ) when the wheel was turned fully left (SS) or fully right (sway)



The solution.... ( as recommended by IRO ) was the put a ~5 degree bend in the drag link. So we did so and now all is well



Overall im very satisfied with the kit... i havnt gotten a chance to flex it out yet cause ive been too busy with work and school but that will come soon along with pictures of it

I plan on ordering the rear long arms with my tax return and at the same time move up to 6.5" of lift instead of 4.5"

Matt
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post #3 of 65 Old 02-07-2009, 04:14 PM
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you gonna go 6" lift now? When we gonna go wheeling?
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post #4 of 65 Old 02-07-2009, 04:18 PM
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He said he's going with 6.5"

Good work Matt, I can't wait to see it flex.

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post #5 of 65 Old 02-07-2009, 04:20 PM
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niceee.. 10cha

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post #6 of 65 Old 02-07-2009, 04:21 PM Thread Starter
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Quote:
Originally Posted by froggo27 View Post
you gonna go 6" lift now? When we gonna go wheeling?
as soon as i get my rear arms on as well haha... im not getting a new front shaft untill i get the rear arms on and go to 6.5" cause i want the driveshafts to be the correct length for the 6.5" of lift

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post #7 of 65 Old 02-07-2009, 04:33 PM
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Is there any other option for the draglink besides bending it? I wouldn't be satisfied with that option, nor would I have a press to make the bend.

Nice work, though. Let's see the finished product.

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post #8 of 65 Old 02-07-2009, 04:51 PM Thread Starter
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Quote:
Originally Posted by skain8 View Post
Is there any other option for the draglink besides bending it? I wouldn't be satisfied with that option, nor would I have a press to make the bend.

Nice work, though. Let's see the finished product.
I dont know if the steering is a problem with all lift heights/axles/ZJs etc but IRO said that there OVK steering system works without problems with this kit
http://www.ironrockoffroad.com/Merch...egory_Code=ZST

Heres some up to date pictures of the ZJ ( Hanson Offroad front bumper is still off to get fixxed...might just be replaced with a tube bumper to match the rear that is gonna be built for it )














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post #9 of 65 Old 02-07-2009, 04:52 PM
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Lets see some flexation sensation.. Looks great by the way

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post #10 of 65 Old 02-07-2009, 04:54 PM
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Mall crawl it so we can see the flex. It does push the axle forward quite a bit.

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post #11 of 65 Old 02-07-2009, 05:06 PM
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Is it just me or does it look like the wheels are pushed forward a lot more now?
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post #12 of 65 Old 02-07-2009, 05:10 PM
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Originally Posted by fraser1986brown View Post
Is it just me or does it look like the wheels are pushed forward a lot more now?
They're long arms, that's how it works. Did you read the thread he said the front driveshaft is 2 7/8" to short now.

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post #13 of 65 Old 02-07-2009, 06:09 PM
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Those are good looking arms. Very nice writeup

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post #14 of 65 Old 02-07-2009, 06:13 PM
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flex pics??
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post #15 of 65 Old 02-07-2009, 06:45 PM
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Lookin' great Matt! Sorry couldn't help out at all -- had to work. Be interesting to see how the rear axle lines up (will it be pushed back?) once the rear LA's go in.

Good work, now let's get it out on some trails and test it out!

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