Bilstein 5100's with OME HD? - Jeep Commander Forums: Jeep Commander Forum
Suspension / Lifts This is the place to discuss the suspension, lift systems, and other stuff underneath your Jeep Commander

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post #1 of 13 (permalink) Old 10-20-2014, 10:31 AM Thread Starter
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Bilstein 5100's with OME HD?

I know the 5100 series strut is not meant to fit the xk, but does it work well with the xk? Does it perform better than the ome strut? For the rear, should the 5100 shock be used or the 5125? Can someone share their experience with this?

Last edited by Coophadley; 10-20-2014 at 10:32 AM. Reason: rewording
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post #2 of 13 (permalink) Old 10-20-2014, 01:19 PM
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5125's are longer for lifted rears


5100 struts have an adjustable spring perch and allow you to lift the front

Information about that and comparison to spacer lifts.
http://www.bilsteinus.com/fileadmin/...WebArticle.pdf

The lowest setting for the 5100 struts is actually a .75" lift. If you want no lift then get the 4600 HD strut.

Bilstein vs OME is an interesting comparison. OME is slightly longer and designed for the OME lift, also some prefer one, some prefer the other. I can't imagine that either is better overall, though this is only from reading reviews of both, I don't have experience with either setup yet. I did purchase bilsteins, as I don't already have a lift and was planning to replace struts anyways.

OME is twin tube Bilsteins are monotube

http://www.kyb.com/knowledge-center/...e-vs-twintube/

5100's fit the Commander fine, just like the WK, not sure why bilstein is not marketing them for the XK as there are plenty of Commander owners running them.

Last edited by luckyse7ens; 10-20-2014 at 01:30 PM.
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post #3 of 13 (permalink) Old 10-20-2014, 05:55 PM Thread Starter
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Well I do have steel bumpers on order with a winch in the future, so should i just stay with the OME shocks and struts since they are HD? Unless the bilsteins will be just as fine.
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post #4 of 13 (permalink) Old 10-21-2014, 02:10 PM
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Originally Posted by Coophadley View Post
Well I do have steel bumpers on order with a winch in the future, so should i just stay with the OME shocks and struts since they are HD? Unless the bilsteins will be just as fine.
AFAIK there is no HD or MD with OME shocks struts. The spring rate is the only thing that changes.

If you have OME shocks/struts already, then I would definitely keep those, and consider a strut plate for an extra 1/2" if the front is too low for you with the extra weight.

If you have not purchased shocks and struts then I would definitely consider the bilsteins.

As a huge generalization, based on what I have read in regards to this, bilsteins will allow a bit more control on road and OME will be a bit softer for off road. Outside of that it is up to the end user to decide based on preferences. I will say that OME will still be superior to stock for on road control, especially compared to worn stockers.

Something to consider with Bilstein:
Quote:
WARRANTY DETAILS FOR TC (B4) / C / HD (B6) / Sport (B8) / BTS (B12) / PSS (B14) / PSS9 & PSS10 (B16) / 5100 (Application Specific) GAS PRESSURE SHOCKS
LIMITED LIFETIME WARRANTY
Bilstein warrants to the original retail purchaser that, for the life of each Gas Pressure Shock, this product shall be free from defects in material and workmanship. Proof of purchase is required process warranty. Please return product to the original place of purchase.
http://www.bilsteinus.com/products/s.../warranty.html

I believe OME's warranty is 2 year/25k miles

However, some have said that because Bilstein 5100's are not marketed as being a Commander specific strut that they may not cover them in this application. I feel that I am not helping too much, because again its a personal preference, and I have not tried both. You may be better served to post this @ jeepforum as they have more site traffic and many guys that run either of these shocks/struts in similar combinations with similar rigs to yours.

Last edited by luckyse7ens; 10-21-2014 at 02:24 PM.
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post #5 of 13 (permalink) Old 10-21-2014, 04:35 PM
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Quote:
Originally Posted by luckyse7ens View Post
However, some have said that because Bilstein 5100's are not marketed as being a Commander specific strut that they may not cover them in this application.
There is a thread on this forum from a Blisten 5100 owner that had one strut blow out and was very frustrated that Blisten would NOT honor the warranty for the 5100.

Blisten of course justified it by the fact they do NOT market the 5100 for the XK, that any resellers listing it as for the XJ are NOT authorized dealers and do NOT do so with their sanction.

Blisten also claimed he was off roading which voids their warranty as well. They also cited the photo of the damage showed the snapped ring was broken off, which they claimed could only happen from the vehicle bottoming out on the strut. I imagine a poor lift kit would cause this, or, if the XK was raised by the adjustable perch of the 5100, they must be saying that is the reason the 5100 is not for the XK. I don't think anyone really knows, the XK and WK suspensions are the same, but the vehicles vary slightly. Perhaps the adjustable spring perch works on the WK but they found in testing that for what ever reason, weight/dynamics of the vehicle, it breaks to often and thus won't market it for the XK.
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post #6 of 13 (permalink) Old 03-23-2015, 02:09 PM
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So... if your considering a spacer to add to the top of OME front springs and instead use a set of 5100's, your going to instantly get an additional .75" lift?... as opposed to adding a 1/4" or 1/2" spacer?

I read somewhere that just because its a 1/4 or 1/2 inch thick spacer, its not automatically going to translate to that exact amount of thickness in the lift.

I read how it was somehow multiplied, because of the front end geometry. I'm kinda confused on that point.
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post #7 of 13 (permalink) Old 03-23-2015, 02:17 PM
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Quote:
Originally Posted by BBCBIRD View Post
So... if your considering a spacer to add to the top of OME front springs and instead use a set of 5100's, your going to instantly get an additional .75" lift?... as opposed to adding a 1/4" or 1/2" spacer?

I read somewhere that just because its a 1/4 or 1/2 inch thick spacer, its not automatically going to translate to that exact amount of thickness in the lift.

I read how it was somehow multiplied, because of the front end geometry. I'm kinda confused on that point.
Your talking about two different things. The 1/4" strut spacer will supposedly add up to .5" lift (i haven't installed mine yet) These are installed between the upper strut mount and the body of the vehicle.
http://www.rustysoffroad.com/rustys-...tes-xk-wk.html

Whereas the bilstein 5100's @ their lowest setting will add ~.75". These lift by raising the lower spring perch (the place the bottom of spring rests on) which is on the strut body.

It's hard to say exactly how much lift you will end up with from either, but its safe to assume that those numbers are very close to what your actual lift height would be increased by in either case. Don't do both though, you'll mess up front end geometry with both of those and OME springs.

Last edited by luckyse7ens; 03-23-2015 at 02:19 PM.
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post #8 of 13 (permalink) Old 03-29-2015, 09:59 PM
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Thanks for the clarification, I think I knew what I meant to say but had it all backwards.

So...adding an additional 1/4 -1/2" spacer with OME front springs will get you about a half inch.

Vs. a set of 5100's will get an additional .75" lift, but you dont want to use both.
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post #9 of 13 (permalink) Old 03-30-2015, 06:48 PM
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Quote:
Originally Posted by BBCBIRD View Post
Thanks for the clarification, I think I knew what I meant to say but had it all backwards.

So...adding an additional 1/4 -1/2" spacer with OME front springs will get you about a half inch.

Vs. a set of 5100's will get an additional .75" lift, but you dont want to use both.
Yeah, that's what it seemed like, just wanted to make sure it was clear.


Last edited by luckyse7ens; 03-30-2015 at 06:52 PM.
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post #10 of 13 (permalink) Old 04-09-2015, 10:59 PM
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I keep changing my mind on how I want to tackle my moderate lift project. I have almost 98k on the odometer, so I may as well get some fresh shocks on there. I'm guessing they are the originals still.

I'm now leaning in the direction of OME HD coils upfront, along with Bilstein 5100 struts, set at their lowest setting (.75").
I'm hoping that combo should keep me around 2.5" to just under 3" of lift upfront. I don't want to create issues for myself. My XK has a 5.7 engine plus I'm adding on a Matrix 4xguard brush guard, so there will be a little more weight upfront.

Then in the rear, a set of OME HD coils with an additional 2" spacer (something like Daystar spacer) ....or another option would be 4" SL coils or JBA coil springs, along with a set of Bilstein 5125 rear shocks.

I think the 5125 rear shocks might be a better way to go then 5100's in the rear, since the 5100 series is more recommended for around a 1.5" rear lift and with my proposed combo should be about 3.5"-4" or so in the back.

So many ways to tackle this and not get too carried away with a full SL.
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