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Old 06-04-2014, 07:00 AM   #1
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Need Rancho RS9000XL Part #'s

I have the Teraflex 2" level kit and looking to replace my stock shocks with the Rancho RS9000XL's. What part number are you guys using for the shocks with the leveling kit? TF kit raises rear 1" and front 2".

From what I can gather I would need part numbers RS999327 & RS999326. Just want to be sure before I order anything. Much appreciated.

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Old 06-04-2014, 07:47 AM   #2
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Those would be the stock length parts #'s.
If content with travel, those are fine. If not and want more, step it up to 29xl and 30xl w/ a little more bumpstop,

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Old 06-04-2014, 07:50 AM   #3
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RS999328 and RS999236 are specced for 0"- 2" lifts on a 4-door according to Rancho reps.
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Old 06-04-2014, 08:40 AM   #4
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The Teraflex level is considered a 1.5" lift and I think I would also classify it as a 2" for shock determination purposes. The front gets 2" and that is where you need the flex specs to match up.

This is from the gorancho.com website:

VEHICLE HEIGHT FRONT P/N REAR P/N QTY REQUIRED
2-in. RS999326 RS999330 2

I'm not sure that I agree with that... That uses the close to stock length front shock, but you have 2" lift and the 4.5" longer rear and you only have 1" lift in the rear.

I think the RS999328 rear, which is +1.5 would be the correct choice.

I wish they had a true +2 or 2.5 for the front... If you use the 29's, you get 3 1/4" over the 26's which, like KJeeper said, would probably require extended bumpstops to keep from bottoming out the shock. But that's doable.

On paper, it looks like 29 front and 28 rear would be best. I'm watching closely, because I'm going to do an LCG build with good articulation at 1.5" to 2" and 9000's will be my shock choice.

Let's see what Rancho has for a recommendation...
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Old 06-04-2014, 08:58 AM   #5
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Thanks guys. I'm still not 100% sure which ones to go with. I don't want to replace the bump stops if I don't have to.
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Old 06-04-2014, 09:57 AM   #6
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I just got this response directly from Rancho...

Based on my TF leveling kit Rancho says I need part # RS999236 for the front and part # RS999330 for the rear. This is for the 4 door, JKU. The 2 door uses the same rear shocks but uses part # RS999326 for the front.
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Old 06-04-2014, 10:23 AM   #7
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You Sure, that doesn't make any sense ?

36xl.. What shack is that ? I don't even have it listed ?

I have
26xl 0-2 front
28xl 0-2 rear
29xl 4" short arm front
30xl 4" short arm rear
31xl 4" long arm front
32xl 4" long arm rear

That and the JK typically takes a shorter rear shock?
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Old 06-04-2014, 10:36 AM   #8
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Here's the chart

It's really up to you. Are you installing the coil lift or budget boost ?
Attached Thumbnails
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Old 06-04-2014, 10:38 AM   #9
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Yah it didn't make sense to me either. I contacted them back for clarification and was told again that for a 4 door I need part RS999236. Elizabeth Auer gave me the information both times.

I already have the TF 2" leveling kit on. Just the spacers.
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Old 06-04-2014, 10:42 AM   #10
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Who did you talk to, A desk person or engineer Contact Matt here on the forums.

I can say this .. You can run either 26/28, 29/30


Rancho's 2" kit uses 26 front and 30 rear I believe.
2/4 shouldn't matter because TF makes model specific kits. 2" front and 1" rear for either.
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Old 06-04-2014, 10:45 AM   #11
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Quote:
Originally Posted by kjeeper10 View Post
Who did you talk to, A desk jockey or engineer Contact Matt here on the forums.

Just their tech deptartment
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Old 06-04-2014, 10:52 AM   #12
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It looks like that P/N is transposed.
RS999326
I would go with 26/30. This is what we use on our 2" system BTW.
KJ is on it again.
Thanks Matt

Quote:
Originally Posted by SVT_N8 View Post
I just got this response directly from Rancho...

Based on my TF leveling kit Rancho says I need part # RS999236 for the front and part # RS999330 for the rear. This is for the 4 door, JKU. The 2 door uses the same rear shocks but uses part # RS999326 for the front.
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Old 06-04-2014, 10:59 AM   #13
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That shock is showing a 9.250 travel. Honestly never seen it linked to a JK. Does look like it would work though. Check with Matt
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Old 06-04-2014, 11:00 AM   #14
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Quote:
Originally Posted by Rancho View Post
It looks like that P/N is transposed.
RS999326
I would go with 26/30. This is what we use on our 2" system BTW.
KJ is on it again.
Thanks Matt

Thanks guys. Would I be able to run one of your geo brackets with the TF 2" level?
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Old 06-04-2014, 11:04 AM   #15
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Oooh ooooh me me

Negative.. I mean you won't need caster corrected at that height.
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Old 06-04-2014, 11:07 AM   #16
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Quote:
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That shock is showing a 9.250 travel. Honestly never seen it linked to a JK. Does look like it would work though. Check with Matt
yeah that is for a Ford F-150 rear 1997-2003. Different mounting dimensions too.
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Old 06-04-2014, 11:09 AM   #17
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Ha!! You got it before I did, yeah at this height not needed.

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Oooh ooooh me me

Negative.. I mean you won't need caster corrected at that height.
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Old 06-04-2014, 11:17 AM   #18
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Quote:
Originally Posted by Rancho View Post
yeah that is for a Ford F-150 rear 1997-2003. Different mounting dimensions too.
Yep I saw the f-150
Looks like a stud type top like the stock jk front.
Unless the mounting dimensions are different, it could work ?
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Old 06-04-2014, 11:20 AM   #19
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Ha!! You got it before I did, yeah at this height not needed.

ok thanks. I feel I need to keep both hands on the wheel or atleast one hand firmly to keep control. Its a 2014 with less than 1k miles. Only mods are in my sig. Tire pressure is 34psi. Noticed a change in the steering when the new wheels and tires were put on and no lift. Tires originally had 40psi and once I dropped them to 34 it was significantly better. I may drop the psi again to around 30. Appreciate all the help fellows.
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Old 06-04-2014, 11:23 AM   #20
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What size tires ?
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Old 06-04-2014, 11:24 AM   #21
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Quote:
Originally Posted by kjeeper10 View Post
Yep I saw the f-150
Looks like a stud type top like the stock jk front.
Unless the mounting dimensions are different, it could work ?
Could work but not really, you are right on the dimensions. Different thread size and the bushings on the bottom are different I am guessing you could press out the bushings on the bottom (or just tightened it WAY WAY down )

Quote:
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ok thanks. I feel I need to keep both hands on the wheel or atleast one hand firmly to keep control. Its a 2014 with less than 1k miles. Only mods are in my sig. Tire pressure is 34psi. Noticed a change in the steering when the new wheels and tires were put on and no lift. Tires originally had 40psi and once I dropped them to 34 it was significantly better. I may drop the psi again to around 30. Appreciate all the help fellows.
I would drop the PSI a bit more honestly.
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Old 06-04-2014, 12:19 PM   #22
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what size tires ?
285/70/17
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Old 06-04-2014, 12:24 PM   #23
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A 33 .. You might be able to go down a bit.
Did you run a chalk test ?
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Old 06-04-2014, 12:29 PM   #24
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A 33 .. You might be able to go down a bit.
Did you run a chalk test ?
not yet, need to buy chalk
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Old 06-04-2014, 01:31 PM   #25
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not yet, need to buy chalk
you can use water. just spray the cement down and drive over it and check out the tread. I have used chalk, water and actually baby talc powder works too.
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Old 06-04-2014, 01:46 PM   #26
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I have the same 2" teraflex leveling kit on my 2013 JKU Sport with 32" tires and I just installed the Rancho 9000's with part numbers RS999326 and RS999328 and they are awesome. They are so easy to adjust. I run mine on 3 pretty much all the time.

I spent the $100 rebate on slush mates.

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