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Old 06-05-2013, 04:55 PM
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13jwrangler's Avatar
Join Date: May 2013
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Rubicon suspension

This might be a silly question but what is the difference in a Rubicon suspension and a JK sport suspension? I'm thinking about putting a rubicon setup on my sport since I'm not really looking to lift my jeep that much. I'm new to jeeps so please keep it mildly abusive.

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Old 06-05-2013, 05:06 PM   #2
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Outside of the e-disco....just shocks.

Spring rates vary even within models.

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Old 06-05-2013, 06:33 PM   #3
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Its all about the jeep the shocks and springs came off of compared to the jeep they are going on. A heavier jeep comes with taller/stiffer shocks. I see you have a 2 door JK. Replacing your springs from a 4 door JK Rubi with tow package and a hard top should give you the inch to inch and a half (sometimes 2") you are looking for. It all depends.
If you look at the last two numbers on your springs that will tell you what you are looking for. If the numbers are in the low to mid teens (front) and low fifty's (rear) you could yield a modest lift like what you mention by adding a 18/59 or 19/60 combo, or something like that, from the rubicon. As for shocks, the ones on Rubicons are gas charged mono tube shocks that will likely be better on the road and much better off road than your hydro dual-tube stock sport shocks.
Let me know if you need some rubi shocks and springs. I have a brand new set laying around in my garage.
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Old 06-05-2013, 06:50 PM   #4
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I went from 15/55 (front/back) springs to 17/58 and got about 2 inches of lift, and eliminated the rake.

Seeing that it seems random how Jeep put the springs on, make sure those last 2 numbers on the springs are an increase from what you currently running, because would hate for you to lower your rig.

And the Rubi shocks are a big improvement over sport, or sahara, shocks.
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Old 06-05-2013, 07:32 PM
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Thanks for all the info. I'll check the numbers on my stock springs and take a look at the difference.
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Old 06-06-2013, 02:09 PM   #6
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Quick Question......

This might sound like a silly question, but if one swaps out the springs and shocks from a stock JK 2 door with the springs and shocks from a JKU Rubi 4 door, would one need to add anything else (i.e. brake relocators, sway bar links, etc.) that would normally be found in a good BB kit?
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Old 06-06-2013, 02:13 PM   #7
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As long as you are swapping factory springs for factory springs, nothing additional is needed.
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Old 06-06-2013, 03:02 PM   #8
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I just picked up a set of springs for my two door how hard is it to do them yourself with just a floor jack and hand tools

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