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Old 07-25-2013, 12:30 PM   #1
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Rubicon Coil Spring Rates?

What are the spring rates on stock Rubicon coil springs?

I am trying to compare them to the TF Perf. Leveling kit, which I was just informed by TF have 960 in the front and 830 in the rear. (Although that confuses me because I could have sworn it was only 2 digits)

Just want to know which is stiffer and will counteract the weight of my front/rear bumpers and eventually winch in front.

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Old 07-25-2013, 01:15 PM   #2
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There's many diff rates. Typically aftermarket coils are based off the heaviest available stock rate.
Meaning ... A Jk with softer coils will get more lift then one with stiffer coils.
All in all .. Both jeeps will be the same height. Make sense ?

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Old 07-25-2013, 01:20 PM   #3
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^ Bam.
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Old 07-25-2013, 01:21 PM   #4
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Not sure I follow.

Basically: I have heavy front and rear bumpers, and will evetually add a winch to the front. I have the TF leveling kit (pucks) and the front is already sagging to the factory rake again due to my bumper, only a matter of time before the back follows suit.

My plan was to buy a Performance Leveling kit which supposedly will hold up more against sagging (correct me if thats wrong because that's the whole point here is to reduce the sag) and then add some rubi shocks while I'm working under there anyway. Most likely rubis just because theyre a little better and cheap until I do a full lift in a year or so.

However, the person I found some rubi shocks from also as the springs - was just wondering if those, or the Performance leveling kit shocks would be better to reduce the sag.
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Old 07-25-2013, 01:25 PM   #5
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Your stock coils are sagging because they are not meant to hold a heavy front rear bumper. It's going to sag with the spacers on there and stock coils as well. Skip a pair of stiff rub coils and go with a 4door performance leveling kit from Teraflex.
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Old 07-25-2013, 01:27 PM   #6
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Quote:
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Your stock coils are sagging because they are not meant to hold a heavy front rear bumper. It's going to sag with the spacers on there and stock coils as well. Skip a pair of stiff rub coils and go with a 4door performance leveling kit from Teraflex.
All I needed to know, thanks.

While we're here, are the Rubicon shocks worth it? I have saharas so they are at least gas charged and not liquid.
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Old 07-25-2013, 01:31 PM   #7
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Quote:
Originally Posted by ESP View Post
Your stock coils are sagging because they are not meant to hold a heavy front rear bumper. It's going to sag with the spacers on there and stock coils as well. Skip a pair of stiff rub coils and go with a 4door performance leveling kit from Teraflex.
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Old 07-25-2013, 01:33 PM   #8
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Meh on rubi shocks too. While your sticking on the leveling kit, through some shocks from a 2.5" kit (rancho, teraflex, bilstein, fox etc) on there too.
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Old 07-25-2013, 01:35 PM   #9
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Quote:
Originally Posted by ESP View Post
Meh on rubi shocks too. While your sticking on the leveling kit, through some shocks from a 2.5" kit (rancho, teraflex, bilstein, fox etc) on there too.
Yeah that's what I figured, I think you chimed in on one of my threads earlier actually. Someone mentioned the OME shocks and I like those, any of the brands you just mentioned are great too, just paying $100 per shock kills me when I'm about to head back to school.
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Old 07-25-2013, 01:38 PM   #10
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Getting a really nice shock isn't as important as getting a shock with the right length. You don't "need" longer shocks for a leveling kit but you'll benefit from having them for articulation while wheeling. You can do shocks now if you want and use the stock shocks (from any model) and then do new shocks latter if/when the funds fairy visits.
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Old 07-25-2013, 01:50 PM   #11
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The Rancho 7000's like the Bilsteins are around $75

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