IRO 4.5 Guys - JeepForum.com

 
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post #1 of 10 Old 11-23-2008, 09:10 PM Thread Starter
MichiganZJ
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IRO 4.5 Guys

I put a set of front and rear IRO springs under my ZJ. I measured before and after the lift to discover I gained 6.25" of lift. All measurements were taken with the same wheels and tires on. I did a search and found there were a few others that stated the IRO springs yield a little more lift than advertised, but nearly 2"? Could you other IRO 4.5 guys measure from the ground and the hubs to the wheel openings and post your results please. I have my measurements wrote down at work, so I don't know the exact numbers at the moment. I'm just curious as to what everyone else comes up with. I'm not worried at all about the height I got, just wondering what to expect after they settle in.

Thanks.

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post #2 of 10 Old 11-23-2008, 09:28 PM
10achik
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They normally yield an extra 1" or so, but your's sounds like a lot. Could be that since you have the 4.0 you are getting more, because it's lighter. Whatever the height, I can't see them sagging more than 1" over time. Usually when they give a spring height to a spring, it's what they will eventually settle at after weight and wheeling.

Ken

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post #3 of 10 Old 11-23-2008, 09:39 PM
ben_wagner
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I have a 4.0 as well, and my final lift settled to 5 1/8" in the front and 5" in the back.

1994 Grand Cherokee Laredo 4.0 I6 4x4
4.5" IRO, 32" BFG A/T KOs
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post #4 of 10 Old 11-24-2008, 02:31 AM
sandman
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they will settle. my RC springs which is what IRO uses were over 6" when i installed them they settled down to about 4-4.5" a few months later.

1993 Jeep ZJ. 4.0
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post #5 of 10 Old 11-24-2008, 04:08 AM
Texas ZJ1
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Yes, you can expect to have your springs settle 1 to 1.5 inches.

Hunter

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post #6 of 10 Old 11-24-2008, 07:52 AM Thread Starter
MichiganZJ
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Alright, sounds good.

Thanks guys!!!
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post #7 of 10 Old 11-24-2008, 10:37 AM
gabrod72
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Michigan, are you using adjustable long LCA and UCA or just the stock ones? I'm really interested in adding a bit more lift than my 3" but I'm not ready for the added cost of adjustable LAs. Thoughts?
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post #8 of 10 Old 11-24-2008, 10:41 AM
redhatman
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They will settle. But then again, I am at 3.5" spring plus 2" BB which should be 5.5" lift....yet I am at 6.5"in the front settled and 6" in the rear.

-Pat

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Those tires look freakin awesome Redhat... took the ZJ up a notch in my book. Now you're at notch 2.
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post #9 of 10 Old 11-25-2008, 01:00 PM Thread Starter
MichiganZJ
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Quote:
Originally Posted by gabrod72 View Post
Michigan, are you using adjustable long LCA and UCA or just the stock ones? I'm really interested in adding a bit more lift than my 3" but I'm not ready for the added cost of adjustable LAs. Thoughts?
I do still have the stock control arms all the way around. I'm gonna add rear lowers first, and then uppers. I can't afford to do them all at once. I'll do the the same to the fronts as money allows. So, I'm on the lookout for some used control arms.
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post #10 of 10 Old 11-25-2008, 01:51 PM
MoonyJohn
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so when you adjust your track bar at 6.25" of lift, then when it settles, will you need to re-adjust it then?

"Water covers 3/4 of the earth, Jeep covers the rest"
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