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Discussion Starter · #1 ·
I asked all the typical questions here about what lift I should go with... but I can say that it is easy to get confused on which way to go...as a noob.
I knew that I wanted to maintain pretty much the same ride that I had stock, so I was able to glean from the posts here that a spacer lift was the way to go.
I do go off road a bit when I go fishing in Big Bear (CA) and the monthly venture on some fun trails, but I knew that a spring lift was not for me (at least for now).
So I went with a 2.5 Budge Boost from Teraflex. The lift gave me that exact stance I wanted. But that is not where the story ends.
Not knowing I would go with after market bumpers when I first got my JKU or at the time of the lift, I was a little disappointed at the sag that occurred when I finally did.
Once again I came on here and found a way around the situation I had put myself in by not knowing exactly what I wanted.
So I now have a set of JK Manufacturing ACOS adjustable coil over spacers. I can now see that I should have started here to begin with. It allows for the stock ride (if not better... don't ask me why) and it also allows for adjustment if you end up getting heavier bumpers or even a winch.
My stance is better than it was and I love the fact that I can now adjust for most any change I might make in the future. I will also be able to add a bit of lift if and when my springs get older and sag.
My BB lift kit (front and rear) ran $260.
The ACOS unit it runs about $252. For just another $80 or so you can get the rear spacers and have a very nice and front adjustable lift. The ACOS will adjust up to 3" if needed.
I hope this helps someone make a more informed choice than I did.

I am selling the 2.5 spacers in the classifieds.
http://www.wranglerforum.com/f14/2-5-teraflex-front-spacers-pair-199904.html#post3004614

 

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Well done! :thumb:
 

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The ACOS is a great lift but most people are too cheap to consider it. It adjusts just like coil over shocks do and allows you to dial in just the right amount of lift you need.
You may need to address shocks depending on how much you dial in but that is a different conversation.
 

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Great write up, people looking to do the spacers should read this. If a spacer is your first mod then you need to think ahead about bumpers and winch etc. Modding is a disease that comes with Jeeps, there is no cure but when you do one mod think about how the next is going to effect it. Great advice Jeepjinx!
 

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I'm in the same boat you were in the beginning. I just bought a 2008 JK 2-door with an eye toward some mild modifications. Thanks for posting this write-up!
 

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Discussion Starter · #9 ·
Look like 9000's :)
Yep....;)
This is the third set of these that I have put on a vehicle and they are well worth the money. Since they are adjustable (like the ACOS units) it takes most of the guess work out of picking shocks. I have seem plenty of "do overs" as people try to find the shock that works for them. They go from plush to a bone jarring ride and 7 choices in between...love um!
 

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JeepJinx said:
Yep....;)
This is the third set of these that I have put on a vehicle and they are well worth the money. Since they are adjustable (like the ACOS units) it takes most of the guess work out of picking shocks. I have seem plenty of "do overs" as people try to find the shock that works for them. They go from plush to a bone jarring ride and 7 choices in between...love um!
Hells yea :)
 

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Hi All,

I don't understand how the ACOS system is any better then putting spacers there. Except for being able to "dial" it in.

Take this example: To keep things VERY simple, let's say a stock setup has 8" of coil downward travel. You put on a new bumper and winch and now the front end is sitting 2" lower. You now only have 6" of downward travel remaining. You install the ACOS system and dial in 2" of lift and you're back to where you started. However, you have still lost 2" of downward travel. Because the new extra weight on the front bumper have compressed the coils by 2", the coils only have 6" of downward travel remaining.

Am I right?

It just seems to me that ideally, you should get slightly higher weight rating coils to bring the front end back up to original height.

I'm not trying to slam the OP or anyone else. I will be putting a new bumper and winch on my JK in March. I'm going to have these same issues.

Thanks.
 

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Hi All,

I don't understand how the ACOS system is any better then putting spacers there. Except for being able to "dial" it in.

Take this example: To keep things VERY simple, let's say a stock setup has 8" of coil downward travel. You put on a new bumper and winch and now the front end is sitting 2" lower. You now only have 6" of downward travel remaining. You install the ACOS system and dial in 2" of lift and you're back to where you started. However, you have still lost 2" of downward travel. Because the new extra weight on the front bumper have compressed the coils by 2", the coils only have 6" of downward travel remaining.

Am I right?

It just seems to me that ideally, you should get slightly higher weight rating coils to bring the front end back up to original height.

I'm not trying to slam the OP or anyone else. I will be putting a new bumper and winch on my JK in March. I'm going to have these same issues.

Thanks.
Nope. The coils dont have anything to do with down travel. It is possible to set one up to where the coils can fall out with down travel.

If you were to get 2 inches of the sag out you would also gain that much down travel back.
 

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The way I see the JKM ACOS spacers for sale on QTec it looks like the fronts are $253 and rears are $338.....

Not just $80 more than the front set.

I am interested in this mod but does anyone see this pricing differently than the OP stated?

Jinx: Did you have to cut the original bump stops or any other mods for the install?
 

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Discussion Starter · #14 ·
The way I see the JKM ACOS spacers for sale on QTec it looks like the fronts are $253 and rears are $338.....

Not just $80 more than the front set.

I am interested in this mod but does anyone see this pricing differently than the OP stated?

Jinx: Did you have to cut the original bump stops or any other mods for the install?
The "$80 more" I am referring to is the cost of two rear spacers (Teraflex). I did not feel the need for the ACOS coil-overs in the rear....Just in the front to be able to level the JKU if needed....bumper change...winch...sag...etc.

I did have to cut off the front bump stops. There are bump stops built into the ACOS. Really not a big deal with a cut off wheel

Here is more info on these coil-overs...
JKS Manufacturing: Coil Spring Suspension
 

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Discussion Starter · #17 ·
Is this a self install? How easy? How do you adjust them? - newb :)
Self install...or get some buddies and some beers...:cool:
Not really hard...just takes a little time.
Just take the weight off the spring by jacking up one side and turn the collar (this would be after installing) I set them at 2.5" on install...then adjusted up till I got level after installing.
 

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I have a 2013 JKU Sahara and was all excited to buy some new bumpers (Probably the big heavy Rock Hard Full width in front and ARB in back)...then I realized I would be adding a tone of extra weight. Now I'm not sure what to do. I've seen lots of mention about getting a Terraflex Levelling Kit (which is basically new springs). Are you suggesting instead of that I should look at ACOS instead? I'm sure I'm missing something.

What do you suggest?
 
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