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Old 10-16-2013, 06:38 PM   #1
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Help 2.5 lift with Rancho Shocks

Have a JKU 13 sport going crazy with reading the forums. Going with a Telaflex 2.5 spring lift with Rancho RS9000. Need help with what size shock to go with.

thanks

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Old 10-16-2013, 07:08 PM   #2
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Haha

I just might be able to help .... Maybe

You want the 29Xl front and 30XL rear for 2.5"

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Old 10-16-2013, 07:48 PM   #3
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Haha

I just might be able to help .... Maybe

You want the 29Xl front and 30XL rear for 2.5"
Mine should be here tomorrow!!
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Old 10-16-2013, 08:01 PM   #4
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You want the 29Xl front and 30XL rear for 2.5
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Old 10-16-2013, 08:09 PM   #5
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Mine should be here tomorrow!!


Run 3 on road. Long highway maybe 5-6
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Old 10-16-2013, 08:46 PM   #6
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Run 3 on road. Long highway maybe 5-6
Awesome info. Was wondering what number to run. Same font and back? How about off-road?
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Old 10-16-2013, 08:49 PM   #7
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Awesome info. Was wondering what number to run. Same font and back? How about off-road?
Depends on coils. A stiffer coils softer. A soft coil stiffer.
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Old 10-16-2013, 09:00 PM   #8
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Depends on coils. A stiffer coils softer. A soft coil stiffer.
Teraflex considered stiffer or softer haha
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Old 10-16-2013, 09:01 PM   #9
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i talked to Rancho they told me to run rs999326 in front and rs999328 in the back. i just look on the web site what is the models numbers for 29xl and 30xl.
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Old 10-16-2013, 09:16 PM   #10
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i talked to Rancho they told me to run rs999326 in front and rs999328 in the back. i just look on the web site what is the models numbers for 29xl and 30xl.
Those are stockish in length. Not what you want for 2.5"

The numbers are the same except the last 2
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Old 04-23-2014, 09:06 AM   #11
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Sorry for digging up old post... Looking at a 2.5 RK lift, either stock mod or flex. Want to run the Rancho 9000XL's and double checking on model. RS999326 for fronts and RS999328 for rears?
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Old 04-23-2014, 09:39 AM   #12
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Quote:
Originally Posted by bmidd31 View Post
Sorry for digging up old post... Looking at a 2.5 RK lift, either stock mod or flex. Want to run the Rancho 9000XL's and double checking on model. RS999326 for fronts and RS999328 for rears?
Look at post 2
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Old 04-23-2014, 10:23 AM   #13
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Look at post 2
Already saw that but how does that match the Rancho part numbers?
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Old 04-23-2014, 10:33 AM   #14
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Already saw that but how does that match the Rancho part numbers?
Last 2 numbers of the ranchos are the shock size. Hence the 29xl and 30xl.

26s and 28s will be waaaay too short for a 2.5 lift. If you net 3+ go with 30/31s if you net 2.5 then rancho recommends 29/30
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Old 04-23-2014, 03:43 PM   #15
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Makes sense, thanks for the clarification! I am a stock JKUR with only ACE Sliders so I should be a bit over 3" to start from what I have read. Always better to be a bit long than too short right? Next have to figure out bump stop size...
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Old 04-23-2014, 04:29 PM   #16
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Looks like my job is done here.
Thanks all!!
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Old 04-24-2014, 08:35 PM   #17
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You can run the 29 and 30 shocks on a shorter lift, but watch the front driveshaft. The front shocks can allow enough droop on a smaller lift to contact the exhaust. This is why Rancho uses the 26 front shock on its 2" Sport Kit. You'll need an exhaust spacer or aftermarket drive shaft to run the longer shocks.

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Old 04-24-2014, 10:53 PM   #18
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You can run the 29 and 30 shocks on a shorter lift, but watch the front driveshaft. The front shocks can allow enough droop on a smaller lift to contact the exhaust. This is why Rancho uses the 26 front shock on its 2" Sport Kit. You'll need an exhaust spacer or aftermarket drive shaft to run the longer shocks. Mike
I don't have any contact on full displacement on both of my front tires. In fact there's a bit of room to spare. (I have the 2.5" tf lift netting 3")
A lot depends if you have true sway bar discos a bumpstop size, no?
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Old 04-26-2014, 07:34 AM   #19
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I don't have any contact on full displacement on both of my front tires. In fact there's a bit of room to spare. (I have the 2.5" tf lift netting 3")
A lot depends if you have true sway bar discos a bumpstop size, no?
Is this with the sway bar disconnected? It might be fine if you don't disconnect. And yes, you might also need a set of 2inch bump stops, but I believe they come with the Terraflex kit.

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Old 04-26-2014, 09:38 AM   #20
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Is this with the sway bar disconnected? It might be fine if you don't disconnect. And yes, you might also need a set of 2inch bump stops, but I believe they come with the Terraflex kit. Mike
Yeah I have the stock bs and that's with the swaybar connected. Just trying to say a lot depends on the set up
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Old 04-26-2014, 11:06 AM   #21
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Run 3 on road. Long highway maybe 5-6
You run even keeper? I have been doing 4 front 3 rear
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Old 05-28-2014, 06:57 AM   #22
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So... I let 4WD choose what I needed (I know... Not a great idea) for shock size. I told them I had a stock JKU that I planned to install a Terflex 2.5" coil lift on. It looks like they sent me rs999328 and rs999236... Should I plan on sendin' them back? I currently have stock bumpers and ace sliders, so no real weight added.
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Old 05-28-2014, 09:39 AM   #23
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Talking

Personally I would run RS999329 and RS999330, these are made for a 3" systems and work well with this 2.5" coil system. The P/N's they gave you are for 0-2" systems.

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So... I let 4WD choose what I needed (I know... Not a great idea) for shock size. I told them I had a stock JKU that I planned to install a Terflex 2.5" coil lift on. It looks like they sent me rs999328 and rs999236... Should I plan on sendin' them back? I currently have stock bumpers and ace sliders, so no real weight added.
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Old 06-09-2014, 07:59 AM   #24
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Thanks for the info Rancho! I was able to perform an In-store exchange for the models you suggested. Unfortunately, the 4WheelParts store charged me a bit over $100 for the swap, basically nullifying the rebate.

While I'm sure I'll love the shocks, everyone should be advised, if you order from the same place, know specifically what you want or you might get shafted like I did.
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Old 06-09-2014, 10:19 AM   #25
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Thanks for the info Rancho! I was able to perform an In-store exchange for the models you suggested. Unfortunately, the 4WheelParts store charged me a bit over $100 for the swap, basically nullifying the rebate.

While I'm sure I'll love the shocks, everyone should be advised, if you order from the same place, know specifically what you want or you might get shafted like I did.
I'm not one to bash companies but I have not had good experience with 4 wheel parts... I will be avoiding them for future purchases
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Old 07-29-2014, 06:08 AM   #26
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Personally I would run RS999329 and RS999330, these are made for a 3" systems and work well with this 2.5" coil system. The P/N's they gave you are for 0-2" systems.
Using these shocks on a 2.5 RK Flex System what size bump stops should be used?
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Old 07-29-2014, 08:25 AM   #27
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Using these shocks on a 2.5 RK Flex System what size bump stops should be used?
Really depends on tire size, rim size, spacers, fender size, and flex preference.

The best thing you can do is experiment. Figure out how much flex you like

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