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post #1 of 15 Old 04-20-2019, 02:50 PM Thread Starter
Dysfunction
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BB Install Help

So I just got done installing the 2" BB, Bilstein 4600 Struts on front and Bilstein 5100s on the rear. For whatever reason the front of my jeep is 3.5 inches taller than the rear of my jeep now. And i'm completely at a loss as to why. The 4600's aren't supposed to add lift. I have a reverse raked jeep now, and i'm lost and irritated. Any suggestions of whats going on?

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Jeep Post bb.jpg   Jeep post bb 2.jpg  
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post #2 of 15 Old 04-20-2019, 02:56 PM
Planetcat
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Did you add 2" spacers on the rear springs? The shocks by themselves will not lift the rear. IDK about the 3.5" in front though. That seems awful tall for a 2" lift. I have the 5100's in front and just put the spacer plate on the highest setting which netted me 2". Then put poly spacers in the rear and it was all good. I take it you read the directions on the front struts, but something doesn't seem right to me about that setup (aside from the 3.5" lift).

Also, my jeep looks identical to your, same wheels, color, etc. Nice!

2010 WK Laredo 5.7L, 2004 WJ 4.7L (totaled), 1959 CJ-5, 1996 XJ (sold), 1989 YJ Wrangler 4.2L (Sold)
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post #3 of 15 Old 04-20-2019, 03:02 PM Thread Starter
Dysfunction
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Good choice on wheels and color! lol

And Yea, it's a Rough Country 2" BB all around. The Rear looks great. The front sits 38.5" to the fender, the rear sits 35.5" to the fender. Actually a 3" difference. 0_0

And yea i'm pretty sure I did everything correct, but ya never know.

Last edited by Dysfunction; 04-20-2019 at 03:25 PM.
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post #4 of 15 Old 04-20-2019, 03:38 PM
b00001
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Have you owned it since new? How many miles on it?

Reason I ask is that if a PO perhaps installed a "strut kit" (replacement strut assembly that included springs) such as the Monroe kit, the spring rate/length is most likely different from OEM. Then you put 2" on top of that.

Ask me how I know. Ha! My numbers are similar to yours although my stance doesn't look too bad.

2004 Jeep Grand Cherokee Overland
2005 Jeep Grand Cherokee Limited
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post #5 of 15 Old 04-20-2019, 04:00 PM Thread Starter
Dysfunction
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Nope, I bought it at 115k. So it's very possible the struts have been replaced before. I've owned the 2" BB for almost 2 years waiting to replace the struts/shocks. So this problem is kinda annoying. The Struts were in terrible shape, but it's possible they weren't OEM.

EDIT: Looked up a part number on the old dirty strut and it appears to be OEM. Part # is 52089801AK.
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post #6 of 15 Old 04-20-2019, 05:21 PM
b00001
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Hmmmmmmmm, that does not make sense then. You should not be jacked up that much from your lift.

2004 Jeep Grand Cherokee Overland
2005 Jeep Grand Cherokee Limited
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post #7 of 15 Old 04-20-2019, 05:34 PM
underscore
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What were the measurements before the lift? Was everything torqued down while at ride height? Have you driven it at all to settle the suspension?

07 WK CRD//QDII//OME MD//OMG WTF BBQ [daily]
91 Celica GTFour RC [for sale]
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post #8 of 15 Old 04-20-2019, 06:19 PM Thread Starter
Dysfunction
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Unfortunately I didn't measure before the lift. Everything was torqued before dropping, i'm correcting that now. These front struts seem to be lifting the jeep a fair amount, and they're not supposed to. But they are, I'm still working on everything trying to address the problem. Also I replaced all the rubbers, and I know that can raise it a little bit, but ffs, not an extra few inches.
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post #9 of 15 Old 04-20-2019, 07:12 PM
acabtp
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because of the suspension geometry, whatever length you add to the strut assembly raises the front end by about double
a 1/4" strut plate lifts about a 1/2", 3/8" plate about 3/4", and a 2" spacer lifts it about 3.5-4".
adding a 2" spacer up front and a 2" spacer out back is not right to achieve an even lift but it's what they sell... seen a few people complain about the BB lifting the front too much and ending up more than leveled. i'd drive it and see how it settles out after a couple hundred miles and then address it.

'05 WK Limited 5.7 Hemi
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post #10 of 15 Old 04-20-2019, 09:12 PM Thread Starter
Dysfunction
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Quote:
Originally Posted by acabtp View Post
because of the suspension geometry, whatever length you add to the strut assembly raises the front end by about double
a 1/4" strut plate lifts about a 1/2", 3/8" plate about 3/4", and a 2" spacer lifts it about 3.5-4".
adding a 2" spacer up front and a 2" spacer out back is not right to achieve an even lift but it's what they sell... seen a few people complain about the BB lifting the front too much and ending up more than leveled. i'd drive it and see how it settles out after a couple hundred miles and then address it.
I definitely believe it. Truthfully the geometry was completely out of whack, which shouldn't happen with only two inches. The upper control arm was very low, and the knuckle was ever so slightly rubbing the lower spring perch on the struts. I took the front spacers off, and even reverted back to the original rubber mounts, that part was probably unnecessary, but everything looks much better. It's definitely got a slight lift up front, but it's no where near where it was. I'll take pictures tomorrow. After tearing apart the drivers side 3 times and the passenger side twice i'm done. lol

Truth be told I bought this BB 2+ years ago and have been sitting on it. I finally really needed struts/shocks so I decided to try it out. If I hadn't had it already I wouldn't have bothered with it.
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post #11 of 15 Old 04-20-2019, 10:08 PM
Grinmaul
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This scares me, i just ordered a kit like this, i get it wed. i can't have my jeep jacked this much and fit in my underground, is it the struts that caused it?


i only have the 2 inch lift kit coming btw, have to stop bleeding money for a bit before buying the bilsteines.

2008.5 WK CRD, 2005 WK Limited 5.7
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post #12 of 15 Old 04-21-2019, 02:10 PM Thread Starter
Dysfunction
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Has to be the struts, that's the only thing new on the front end now. Honestly I think they're just designed different front my stockers and sit higher in the clevis, that's all I can figure. Wish I had gotten 5100s up front and just used that to add lift.

The first picture it taken today. RC spacers installed on the rear with Bilstein 5100s. The front, no spacers and Bilstein 4600s. Looking at pictures I have started to notice that the RC BB does seem to lift the front more than the rear, giving it an odd rake, in my opinion.

The second picture is from a different dimension when my Jeep was actually clean, but you can see the difference. Also my driveway isn't completely level, but it gets the point across. I'm happier now with a slight rake towards the front.

Right now in my garage the front sits at 34" to bottom of fender, and the rear is 36". lol 2 inches. I'd like one more inch up front, but over all i'm satisfied. Is there any sort of way to add just an inch?


I assume I'd prefer a lift that does 3" in the rear and 2" in the front.

So this BB would be perfectly fine had my struts not given any sort of lift, however without adding much more expensive UCAs I couldn't keep the spacers on it.
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Jeep Slight Lift.jpg   Jeep pre lift.jpg  

Last edited by Dysfunction; 04-21-2019 at 02:43 PM.
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post #13 of 15 Old 04-21-2019, 03:07 PM
Grinmaul
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That looks good now, i bit the bullet and ordered the 5100's all around, ill use the 2 inch spacers on the rear, and keep the front spacers in case i do something with the wife's jeep.

2008.5 WK CRD, 2005 WK Limited 5.7
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post #14 of 15 Old 04-21-2019, 04:08 PM
b00001
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Quote:
Originally Posted by Grinmaul View Post
That looks good now, i bit the bullet and ordered the 5100's all around, ill use the 2 inch spacers on the rear, and keep the front spacers in case i do something with the wife's jeep.
I think this will serve you well. If I had to do it all over again, I would likely go this route.

I still do not understand why the OP's lift was so high up front though.

2004 Jeep Grand Cherokee Overland
2005 Jeep Grand Cherokee Limited
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post #15 of 15 Old 04-21-2019, 04:49 PM Thread Starter
Dysfunction
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Quote:
Originally Posted by b00001 View Post
I think this will serve you well. If I had to do it all over again, I would likely go this route.

I still do not understand why the OP's lift was so high up front though.
To be completely honest I might get 5100s and sell the 4600s. I'm going to give it a few weeks to settle and re-evaluate.

I'm still lost. I did see one other post that said they got approx. 3/4" list from installing 4600's. And considering stock UCAs don't like higher than 2" lifts that's definitely my issue.
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