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Old 06-25-2014, 08:11 AM   #1
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Rubicon springs question

Trying to get some info on a set of springs I just got from a Rubicon.

Here are the tag #'s: 68004459aa & 52126317ac

Looking to find out what this will do for my Sport S

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Old 06-25-2014, 06:29 PM   #2
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Originally Posted by HELLBENDER View Post
Trying to get some info on a set of springs I just got from a Rubicon.

Here are the tag #'s: 68004459aa & 52126317ac

Looking to find out what this will do for my Sport S
It will all depend on the springs you have in your sport now. Look at the last two digits in the part numbers on the springs you have now. If they are close to the 17/59 that came from the Rubi; they won't be worth the time. But if you have like 13/55 you MAY gain an inch or two from the swap.
As a side note, there are no such thing as "Rubicon" springs. It is a crap shoot as to which springs go in which vehicle. Generally speaking, the 4 doors are more likely to get the higher spring rates than the 2 doors, regardless of model. Best of luck to you

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Old 06-25-2014, 06:41 PM   #3
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Thanks for the info. Btw that's why I said they came from a rubicon instead of calling them rubicon springs
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Old 06-25-2014, 09:19 PM   #4
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Thanks for the info. Btw that's why I said they came from a rubicon instead of calling them rubicon springs
That information is worthless in regard to answering your question. Look at the tag on you springs and compare the last two digits to the new springs.
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Old 06-25-2014, 09:34 PM   #5
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Here is what I got from a 14/55 spring swap to a 17/59.

Before

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After. 2-2.5 inches at the front bumper and 1.75 - 2 inches at the rear

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Old 06-25-2014, 10:12 PM   #6
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Originally Posted by Redgoat86 View Post
Here is what I got from a 14/55 spring swap to a 17/59.

Before

Attachment 1240890

After. 2-2.5 inches at the front bumper and 1.75 - 2 inches at the rear

Attachment 1240898
What if he already has 17/59 springs in his sport??? He isn't going to gain anything....... HE has to look at his current springs to see what he has now. WE can't determine this for him. Look at my first post and see what I told him
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Old 06-25-2014, 10:20 PM   #7
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I went from 17/58 to 18/59. I gained an inch and it feels stiffer. I also upgraded to rubi shocks so that might have helped.
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Old 06-26-2014, 06:21 AM   #8
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my front springs are 52126314ac any clue what those are?
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Old 06-26-2014, 06:26 AM   #9
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Those will be the"14"s; so you will probably have like "55" on the rear. With that you will probably gain 1 to 2 inches by swapping springs. As I stated in my first post, look at the last two digits in the part number.
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Old 06-26-2014, 07:45 AM   #10
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I went from 17/58 to 18/59. I gained an inch and it feels stiffer. I also upgraded to rubi shocks so that might have helped.
Wow you gained an inch going up only one number.! Just yesterday I was reading a post on here stating that you would only gain about quarter of an inch going up one number. I thought that seemed a little low. I'm looking to gain about an inch maximum just swapping springs. Now I'm not sure if I should go up one number two.
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Old 06-26-2014, 08:07 AM   #11
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For you guys that are doing this, get your measurement before swapping springs. Then after doing the swap, drive your rig for a couple of weeks before getting the "after" measurement to get things really settled in place. You may not be getting as much lift as you think. But then, maybe some of you are doing it this way anyway.
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Old 06-26-2014, 08:34 AM   #12
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I went from 17/58 to 18/59. I gained an inch and it feels stiffer. I also upgraded to rubi shocks so that might have helped.
Those shocks helped since you're only supposed to get ~0.25" per digit. I had 14/56 and went to 18/60 and got more than an inch.
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Old 06-26-2014, 08:38 AM   #13
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I was very particular about getting my measurements and I got 3/8" by going up from 16 to 18 in the front. So less than 1/4" per number on a stock Sahara with no aftermarket bumpers, etc. Mine is a 4dr which will react less to the spring swap than a 2dr.

If you review the 10+ threads on stock spring swaps, you find that every Wrangler is a little different... The 1/4" per number might be stretched to 3/8" on some Jeeps, especially 2dr's, and you would then get 1-1/2" on a 14 to 18 swap. It's likely to be between 1-1/4" and 1-1/2" but could be a bit more on some Jeeps...

I think aftermarket lift kits fall in to this same scenario. I see 2.5 kits installed that gave 3.5" and the same lift on another Jeep is just over 2.5".

This is one of those, "it's not expensive, and its fun to do, go for it" moments...
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Old 06-26-2014, 02:10 PM   #14
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I was very particular about getting my measurements and I got 3/8" by going up from 16 to 18 in the front. So less than 1/4" per number on a stock Sahara with no aftermarket bumpers, etc. Mine is a 4dr which will react less to the spring swap than a 2dr.

If you review the 10+ threads on stock spring swaps, you find that every Wrangler is a little different... The 1/4" per number might be stretched to 3/8" on some Jeeps, especially 2dr's, and you would then get 1-1/2" on a 14 to 18 swap. It's likely to be between 1-1/4" and 1-1/2" but could be a bit more on some Jeeps...

I think aftermarket lift kits fall in to this same scenario. I see 2.5 kits installed that gave 3.5" and the same lift on another Jeep is just over 2.5".

This is one of those, "it's not expensive, and its fun to do, go for it" moments...
Well my stock springs have been compressed a lot. I also have a 2" puck lift with no bump stop extenders. The jeep rides so smooth now.
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Old 06-26-2014, 02:44 PM   #15
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Swapped out my 13/55 to a set of JKU 17/59 and got 1.5" in front and 1.25" in the rear.
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Old 06-26-2014, 04:14 PM   #16
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Well my stock springs have been compressed a lot. I also have a 2" puck lift with no bump stop extenders. The jeep rides so smooth now.
Yea, it's not a perfect science... These things are more different than they are the same sometimes.
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Old 06-26-2014, 05:20 PM   #17
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Yea, it's not a perfect science... These things are more different than they are the same sometimes.
Plus the springs/shocks were free.
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Old 06-26-2014, 08:53 PM   #18
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18/59 with leveling kit.

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Old 06-26-2014, 08:53 PM   #19
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Old 07-26-2014, 06:05 PM   #20
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Here is what I got from a 14/55 spring swap to a 17/59.

Before

Attachment 1240890

After. 2-2.5 inches at the front bumper and 1.75 - 2 inches at the rear

Attachment 1240898
This is what I want to accomplish. I have a set of springs from a JKUR and I want to just put the front ones in so my 2 dr Sport doesn't look nosed over.
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Old 07-26-2014, 07:57 PM   #21
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I just did the swap on my 2 door Sport. I had 14/56 and installed 17/59 and replaced my black base shocks with the red shocks from a Rubicon. I gained about 1 1/4" in the front and about 3/4" in the rear. That left my Sport S very level and my measurements front and back now are 37 1/2" from the ground to the bottom of the fenders. I actually prefer a little more rake myself but it looks good. I am really pleased with the improved ride quality. The body motions are much better controlled now and it isn't a harsh ride by any means; but somewhat stiffer than before but that's a good thing IMO. Here's an after pic:
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