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Old 01-13-2014, 03:29 PM   #1
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Rough Country 2.5"

Does anyone have this lift? Do you need to buy the trac-bars? What's your opinion on this lift.

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Old 01-13-2014, 05:02 PM   #2
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I used the RC 2.5" springs on my TJ with Zone shocks. It rides great. I have front and rear adjustable track bars but have not put them on. @ 2.5" of lift I don't think you need them.


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Old 01-13-2014, 06:09 PM   #3
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Just put these springs on with JK shocks rides great.
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Old 01-13-2014, 07:57 PM   #4
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It's a nice long spring if you have a light weight rig. If you are adding armor, bumpers and a winch and have a hard top than not a good choice due to the very low spring rate.
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Old 01-13-2014, 09:01 PM   #5
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I used the RC 2.5" springs on my TJ with Zone shocks. It rides great. I have front and rear adjustable track bars but have not put them on. @ 2.5" of lift I don't think you need them.
Are those 33s?
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Old 01-13-2014, 09:06 PM   #6
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Are those 33s?
Yes, They are 33x12.50x15 Hankook DynaPro MT's. I'm going to be installing my MCE flat front fenders and removing the rear flares when the weather gets a little better.
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Old 01-15-2014, 11:53 PM   #7
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It's a nice long spring if you have a light weight rig. If you are adding armor, bumpers and a winch and have a hard top than not a good choice due to the very low spring rate.
Not true. I have RC's 2.5" spring and 2.2 performance shocks. The kit actually adjusted my sag due to metal bumpers and winch... To answer the OP's question, you don't really need the adjustable track bars because it doesn't affect the toe-in which causes issues with tire wear. Although, you will be 1/4 of an inch off and will steer you a bit to the right, but it's something I'm looking at getting in the future.
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Old 01-16-2014, 01:02 AM   #8
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I've been running this kit for 2 1/2 years and after a very heavy front bumper and winch, it sags a solid 1/2".
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Old 01-16-2014, 03:55 AM   #9
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Not true. I have RC's 2.5" spring and 2.2 performance shocks. The kit actually adjusted my sag due to metal bumpers and winch... To answer the OP's question, you don't really need the adjustable track bars because it doesn't affect the toe-in which causes issues with tire wear. Although, you will be 1/4 of an inch off and will steer you a bit to the right, but it's something I'm looking at getting in the future.
I would think jk's would have a different spring rate than a tj
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Old 01-16-2014, 05:08 AM   #10
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Not true. I have RC's 2.5" spring and 2.2 performance shocks. The kit actually adjusted my sag due to metal bumpers and winch... To answer the OP's question, you don't really need the adjustable track bars because it doesn't affect the toe-in which causes issues with tire wear. Although, you will be 1/4 of an inch off and will steer you a bit to the right, but it's something I'm looking at getting in the future.
It's a well known fact rc springs can't support weight due to low spring rates for the tj. This isn't jk tech and the rates could be different for the jk. The 2.2 shocks also suck on a tj and should be avoided due to the very rough ride quality they deliver. The 2.0 is a smoother riding shock for a day driver.
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Old 01-16-2014, 07:23 AM   #11
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It's a well known fact rc springs can't support weight due to low spring rates for the tj. This isn't jk tech and the rates could be different for the jk. The 2.2 shocks also suck on a tj and should be avoided due to the very rough ride quality they deliver. The 2.0 is a smoother riding shock for a day driver.
Dam it, just realized that I was posting on the TJ tech. Well how about the JK's stock springs and shocks upgrade to the TJ. Doesn't that add about 3" of a lift and therefore gain higher spring rate on the TJ with a lift?
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Old 01-16-2014, 01:56 PM   #12
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I have the 2.5 in RC lift on 31's. It gives a nice ride height and look, but it "rides like a Jeep"; i.e. it's quite stiff, and rather punishing (on speed bumps in parking lots, for example)
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Old 01-16-2014, 02:57 PM   #13
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Dam it, just realized that I was posting on the TJ tech. Well how about the JK's stock springs and shocks upgrade to the TJ.
the front springs will swap right in. the rear springs require cutting/modification

the front shocks are 14" compressed, so on a TJ that means you need at least 0.5" more bumpstop extension. you also have to figure out something for bar-pins because JK shocks don't use them. you can't use anything that requires more bumpstop extension. this is appropriate for a 2" BB or 2" lift, where you don't mind the small loss in travel compared to some other TJ specific shocks.

the rear shocks are roughly 15" compressed, so on a TJ that means you need about 2.5" rear bumpstop extension...which is appropriate for a 3.5-4" lift. then you have to deal with the limited travel the JK shock offers. you're much better off buying a 10" travel TJ specific shock, because there are plenty out there in that lift height range that will fit with 2.5" bumpstop extension. the rears are a complete waste of time IMHO...
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Old 01-16-2014, 06:04 PM   #14
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the front springs will swap right in. the rear springs require cutting/modification the front shocks are 14" compressed, so on a TJ that means you need at least 0.5" more bumpstop extension. you also have to figure out something for bar-pins because JK shocks don't use them. you can't use anything that requires more bumpstop extension. this is appropriate for a 2" BB or 2" lift, where you don't mind the small loss in travel compared to some other TJ specific shocks. the rear shocks are roughly 15" compressed, so on a TJ that means you need about 2.5" rear bumpstop extension...which is appropriate for a 3.5-4" lift. then you have to deal with the limited travel the JK shock offers. you're much better off buying a 10" travel TJ specific shock, because there are plenty out there in that lift height range that will fit with 2.5" bumpstop extension. the rears are a complete waste of time IMHO...
Well I don't know much about TJs because I don't own one so I'll just make sure I stick to the JK forum next time lol It was just something I read some where.
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Old 01-17-2014, 08:57 AM   #15
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I have this lift, metal XRC Bumper and winch. No sagging that I have noticed, been 2 + years now.
The 2.2 shocks suck, a lot. I plan to replace them at long last this summer.
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Old 01-17-2014, 01:07 PM   #16
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When you first install the lift how badly does it throw the alignment out?
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Old 01-17-2014, 01:19 PM   #17
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I don't recall exactly, While I had it all apart it seemed like a great time to follow some of Jerry's instructions. http://www.wranglerforum.com/f282/ba...ent-86996.html
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Old 01-18-2014, 04:42 AM   #18
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I have this lift, metal XRC Bumper and winch. No sagging that I have noticed, been 2 + years now.
The 2.2 shocks suck, a lot. I plan to replace them at long last this summer.
Did you already have the bumper and winch on when installing the lift? If so, this would account for why you saw no change. Sagging can be a slightly misleading term. Sagging doesn't necessary mean spring fatigue, but rather loss of height due to additional weight being added. Although the term seems to be us for both quite often.
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Old 01-18-2014, 07:40 PM   #19
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Originally Posted by rda616
It's a nice long spring if you have a light weight rig. If you are adding armor, bumpers and a winch and have a hard top than not a good choice due to the very low spring rate.
I had this problem on my LJ. Only got about 1-1.5" of lift. However I also had bumpers, gas cans, tools, and a winch to add to the already heavier LWB. Lift is ok for the low price. I would highly recommend better shocks. Bilstein 5100 are nice.
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Old 01-18-2014, 08:02 PM   #20
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smittybilt front/rear bumper, 9.5k winch rides great

(i do apologize for the blurry picture, it was cold)

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Old 01-19-2014, 01:25 PM   #21
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Here is my jeep with the RC 2.5" on 32s
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Old 01-20-2014, 04:02 AM   #22
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35s in front, 32s and 2.5" lift on back.

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Old 01-20-2014, 11:00 AM   #23
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Yes, They are 33x12.50x15 Hankook DynaPro MT's. I'm going to be installing my MCE flat front fenders and removing the rear flares when the weather gets a little better.
LOVE those rims!
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Old 01-20-2014, 12:23 PM   #24
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LOVE those rims!
Thanks

They are Wheel Vintiques 12 Series Smoothie Wheels part# 12-581204. They came in gray primer and I painted them OD green.

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