Rubicon Springs on a Sport, My experience - JeepForum.com
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post #1 of 9 Old 09-23-2017, 04:01 PM Thread Starter
WJChris
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Rubicon Springs on a Sport, My experience

2015 JK Rubicon 4 door donor.

2013 2 door sport. I installed the springs and shocks today.

I netted an increase of 1.5" up front and 1.25" in the rear.

The springs were about 1/2 coil longer than the sports.

Just thought I would put this up for others searching for more conformation of the results...

The front didn't have any tags left or markings.

The rears have PN 68004459AA on the tag.

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post #2 of 9 Old 09-25-2017, 10:26 AM
cranbiz
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Do you know what the part numbers were? I'm assuming they are 19/60 springs but it would be nice to know to help others out there.

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post #3 of 9 Old 09-25-2017, 12:49 PM
63expert
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I installed 19/59s on my 2012 JKR and netted about 1.38F/1.0R. This I with a stubby and Warn M8000 up front. With the HT it sits dead level.
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post #4 of 9 Old 09-25-2017, 06:32 PM
ditoot
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I replaced the OE 15/56 springs on my ’17 jkr with new 18/59 take off’s. I could not see any noticeable difference in free spring length. The change in ride height was an increase of 1/2” to 5/8” measured at each wheel.
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post #5 of 9 Old 09-25-2017, 07:23 PM Thread Starter
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Im sorry, the front didn't have any tags left or markings.

The rears have PN 68004459AA
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post #6 of 9 Old 09-27-2017, 10:26 AM
JoonHoss
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Just to be clear (not nit-picky); there are no 'Rubicon springs'- all springs on a base, sport, Sahara and Rubicon are just springs.

The ONLY part that matters, and that you NEED to confirm is what part numbers you have, and what part numbers you are going to.

Yes, it is generally true that 4 door, ht equipped, towing package optioned JK's have desirable spring numbers , you MUST verify the numbers of both, as it's NO guarantee.



Hoss
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post #7 of 9 Old 09-27-2017, 11:35 AM
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Quote:
Originally Posted by JoonHoss
Just to be clear (not nit-picky); there are no 'Rubicon springs'- all springs on a base, sport, Sahara and Rubicon are just springs. The ONLY part that matters, and that you NEED to confirm is what part numbers you have, and what part numbers you are going to. Yes, it is generally true that 4 door, ht equipped, towing package optioned JK's have desirable spring numbers , you MUST verify the numbers of both, as it's NO guarantee. Hoss

This is correct. The springs are option based not model based.
In the big picture the only JK that really benefits from the factory spring swap is a 2dr swapping to HD 4dr springs 17-19 front, 58-60 rear.

^^Jeff^^
2008 Black and Khaki Sahara Unlimited Trax-Lok rear diff. 3.5" Rock Krawler fr springs, rear TeraFlex 2.5 BB, D44HD/J8 w/ OX locker and RCVs, 37x12.50x17 Pitbull Rockers on ProComp 2635 Predator Alloys, AEV Prem Bumper, Smitty X2O 12K ETC..
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post #8 of 9 Old 09-27-2017, 11:40 AM
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unless they get them for next to nothing. seems more work for what will be little gain once you add any weight. still stuck at 8" travel.

you gain even more lift on stock or aftermarket springs, just remove all doors, the hardtop, back seat. that is close to 500 pounds.


they dont show the spring numbers here but it does give you idea of the changes to ride height. though again depends on load, options bla bla. thats why it says +.98 to-.47

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post #9 of 9 Old 09-27-2017, 12:48 PM
SLADE
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Quote:
Originally Posted by JoonHoss View Post
Just to be clear (not nit-picky); there are no 'Rubicon springs'- all springs on a base, sport, Sahara and Rubicon are just springs.

The ONLY part that matters, and that you NEED to confirm is what part numbers you have, and what part numbers you are going to.

Yes, it is generally true that 4 door, ht equipped, towing package optioned JK's have desirable spring numbers , you MUST verify the numbers of both, as it's NO guarantee.



Hoss

There are the Rubicon 10A coils.... but that's just me being nit picky.

You are right though.

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