What causes the bumpy ride in lifted jeeps? Is it the bigger tires or the lift? - Page 2 - Jeep Wrangler Forum
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Old 06-12-2018, 01:38 PM   #31
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Disconnecting the front swaybar on the street is not good or safe advice. I would advise against this.
Who said anything about the street?


For the record, disconnecting the SB is not unsafe. Indeed Rubicons are built to do it and people do it all the time.



Whast's unsafe is disconnecting the sway bar in the wrong place at the wrong time.

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Old 06-12-2018, 01:50 PM
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Duroflex and metacloak are two brands I’ll have to look into, thanks!


As I said before, I’m extremely new with jeeping and am still super inexperienced. Hopefully you can answer this question for me.. but are coil springs what give the jeep it’s lift? Sorry if that’s worded weird. I dont know if the springs are what gave it that 3.5” height or if it was another part of the lift kit that does.

Mostly because I want to get new smoother springs to smoothen the ride and don’t know if I need to buy specific springs that’ll go with a 3.5” lift or if any springs will work


Again. Super noob question, but I’m just trying to learn


So Metalcloak is the manufacturer that patented and uses Duroflex joints on their control arms so they are one and the same. No need to research 2 brands.

So the 2 methods for lifting a coil sprung vehicle like the JK is a spacer or a larger coil spring.

Spacer lifts are budget lifts and typically top out at 2 inches. They are cheap and usually minimally affect the factory handling of the Jeep.


Coil springs are the other method of lifting. Spring lifts are as small as 2 inches and go up as high as 6 or more. There are all sorts of spring designs from constant rate, progressive rate, multi rate springs in a bunch of different spring rates. The design of the spring directly impacts the ride of the Jeep along with the shocks. The pro (or con) is that the springs are usually designed to accommodate your other mods like steel bumpers, winches, skid plates, etc... so a 2.5" lift will usually net you more lift than 2.5". A gain of 3- 3.5" is not unheard of from a 2.5" lift.

Hope that helped..
Yeah that helps, I understand a lot more now thank you. As suggested I think I’m going to go with 3.5” Eibach springs and Rancho 9000XL shocks. Thoughts on this??

I know that won’t make it “ride like a Cadillac” as everyone says, but I’m hoping it’ll be a damn well improvement from my current RE springs and monotube shocks

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Old 06-12-2018, 02:39 PM   #33
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Yeah that helps, I understand a lot more now thank you. As suggested I think I’m going to go with 3.5” Eibach springs and Rancho 9000XL shocks. Thoughts on this??

I know that won’t make it “ride like a Cadillac” as everyone says, but I’m hoping it’ll be a damn well improvement from my current RE springs and monotube shocks
I previously had Rancho 9000XL shocks with Rock Krawler 3.5" (2dr) springs on my JK. I found the combination to be comfortable. They are a triple rate spring that have a stiffer rate that resist bottoming when the spring is compressed, a soft rate for ride height and a really soft rate at the top of the coil that extends when articulating to keep the coil from unseating from the spring perches. I have also tried Teraflex coils but I found them to be stiff and I could unseat them when off road. I was impressed with the Metalcloak coils that I just installed and found the combination of the Metalcloak coils and Rocksport (Metalcloak brand) shocks to be comfortable and not excessively bouncy as well.
I do not have any experience with the Eibach springs so it would be unfair for me to advise you on them. I do believe that @kjeeper10 had a set for awhile so maybe he will chime in. I can and do recommend the RK or Metalcloak coils..
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Old 06-12-2018, 03:06 PM   #34
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Originally Posted by Bob Sanders View Post
Who said anything about the street?


For the record, disconnecting the SB is not unsafe. Indeed Rubicons are built to do it and people do it all the time.



Whast's unsafe is disconnecting the sway bar in the wrong place at the wrong time.

You did.

Quote:
Disconnect your front sway bar and drive around for an afternoon. Just undo the linkage on one side is all you need and see if that's better.
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Old 06-13-2018, 08:50 AM
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Ah that makes sense. Thank you for explaining it. So if I wanted to buy new mopar or eibach springs would I need to buy 3.5” springs so I get that lift? Or how exactly would I go about that? Because when I google those springs all I can find is the springs without any speicification of the lift they give

I’m running 35s (toyo open country A/T II) with 20” wheels. Yea I know that big of wheel was a bad idea and is a big factor in my bumpiness. I’m going to eventually buy new tires with 16 or 17” wheels
One of our vendors @AOR Allen at Allen's Offroad was able to get the Eibach springs and they were pretty inexpensive too. Allen should be able to sell you both springs and shocks and he always has great service and pricing.

https://www.allensoffroad.com/Eibach...?search=eibach

The shocks would be RS999331 fronts and RS999332 rears.

As for the rest of the kit, you can just swap out those springs and shocks without any issues that I can see. Have you had an alignment? With the adjustable control arms, it would be good to see what your specs are to make sure it's aligned well.

And yes, 20" wheels are bad for ride quality...
Hey sorry to revive this thread, but you seem extremely knowledgeable and I’d like to run this question by you..

I think I’m going to go with pairing Rancho 9000xls with Evo plush ride coil springs instead of the Eibach coil springs. However it seems like they only make 2” 3” and 4”, and I currently have a 3.5” lift. So my question is should I go with the 3” coil springs or the 4” coil springs
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Old 06-13-2018, 11:28 AM   #36
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I've had three different springs on my Jeep, Rubicon 10A springs, TF, RK, and they've all had a different ride. I've not really thought of the control arm angle, but that does make a lot of sense. It would be interesting to put in a set of springs with the same spring rate but say, two inches lower, and compare the rides.

I know when I have my Jeep really loaded, RTT, rack, camping stuff, it rides a lot smoother than without. I always thought it was more weight on the springs, but I'm sure it's squatting a little under the weight as well changing the angles, but probably not much.
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Old 06-13-2018, 11:52 AM   #37
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I think I’m going to go with pairing Rancho 9000xls with Evo plush ride coil springs instead of the Eibach coil springs. However it seems like they only make 2” 3” and 4”, and I currently have a 3.5” lift. So my question is should I go with the 3” coil springs or the 4” coil springs
EVO springs are suppose to give you a more comfortable ride but they sag under load, so I would go with 4". EVO themselves recommend spacers if you have a aftermarket bumper and a winch and want to keep your coil height.
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Old 06-13-2018, 12:03 PM
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I think I’m going to go with pairing Rancho 9000xls with Evo plush ride coil springs instead of the Eibach coil springs. However it seems like they only make 2” 3” and 4”, and I currently have a 3.5” lift. So my question is should I go with the 3” coil springs or the 4” coil springs
EVO springs are suppose to give you a more comfortable ride but they sag under load, so I would go with 4". EVO themselves recommend spacers if you have a aftermarket bumper and a winch and want to keep your coil height.
This is my daily driver and I keep it relatively light. Still has stock bumpers and whatnot, no winch. Etc... the only thing that adds weight to it is me when I get in and maybe some friends. I think I’m going to go with the 3” because of that. Also because I don’t want to have to start messing with the drivetrain if I get a 4”
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Old 06-13-2018, 12:20 PM   #39
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You did.

Ummm.... no.
Where did I say "street"?? Please point it out.
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Old 06-13-2018, 01:00 PM   #40
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Ummm.... no.
Where did I say "street"?? Please point it out.
Nice try. lol
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Old 06-13-2018, 01:23 PM   #41
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Ummm.... no.
Where did I say "street"?? Please point it out.
He was having issues with street driving. At no point did he express a concern with Offroad handling. You told him disconnect and drive around for an afternoon and see how he likes it. Where else is he going to drive to assess the street ride other than on the street Hmmm?

And I again strongly discourage anyone from taking the advice you gave.
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Old 06-13-2018, 10:07 PM   #42
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He was having issues with street driving. At no point did he express a concern with Offroad handling. You told him disconnect and drive around for an afternoon and see how he likes it. Where else is he going to drive to assess the street ride other than on the street Hmmm?

And I again strongly discourage anyone from taking the advice you gave.

No one was suggesting off road or "street" or mall, or airport, or train tracks, or lake...or...or...or



I have no idea where he would drive. One would assume a location where he felt safe


Do not stick words in my mouth which were not there.
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Old 06-14-2018, 12:24 AM   #43
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i am so pleased with my 2.5” metalcloak lift. could not be more happy!! high quality parts, great workmanship and excellent performance
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Old 06-14-2018, 08:20 AM   #44
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This is my daily driver and I keep it relatively light. Still has stock bumpers and whatnot, no winch. Etc... the only thing that adds weight to it is me when I get in and maybe some friends. I think I’m going to go with the 3” because of that. Also because I don’t want to have to start messing with the drivetrain if I get a 4”


I would go with the 3" because you don't have any extra weight. Some like the EVO springs, others not so much. They are firmer than either the Eibach's or Mopars, but softer than Teraflex, RE, etc.

Good luck.
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Old 06-14-2018, 11:00 AM
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I would go with the 3" because you don't have any extra weight. Some like the EVO springs, others not so much. They are firmer than either the Eibach's or Mopars, but softer than Teraflex, RE, etc.

Good luck.


Yea I see plenty of good reviews of the EVOs so I think that’s the direction I’ll head.

I just wanna run this by you real quick. Tell me what you think of this setup please. I’ll be replacing my RE 3.5” coils with EVO 3” plush ride coils (and maybe half inch coil spacers just so I can stay at 3.5”), and then replacing my RE monotube shocks with Rancho 9000XLs..

Again, I’m looking for a smooth street rider (the streets in my area suck) because this is my daily driver. This may not make my jeep “ride like a Cadillac” but I’m hoping this will be an improvement from my current setup.
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Old 06-14-2018, 03:36 PM   #46
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Yea I see plenty of good reviews of the EVOs so I think that’s the direction I’ll head.

I just wanna run this by you real quick. Tell me what you think of this setup please. I’ll be replacing my RE 3.5” coils with EVO 3” plush ride coils (and maybe half inch coil spacers just so I can stay at 3.5”), and then replacing my RE monotube shocks with Rancho 9000XLs..

Again, I’m looking for a smooth street rider (the streets in my area suck) because this is my daily driver. This may not make my jeep “ride like a Cadillac” but I’m hoping this will be an improvement from my current setup.
I do believe that will be an improvement in ride quality. And if maintaining height is important, adding the pucks is reasonable, I am doing the same in 2 weeks as I go to the Mopar springs on my Jeep. I haven't been on an EVO and 9000XL combo, so I can't pin down specifically what you should expect.

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