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Old 02-18-2016, 12:40 PM
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16/58's to 18/60's or 19/60's

Sorry to beat a dead horse, but I have a few questions about my 2011 Wrangler JKU. I am trying to make it into an overlanding vehicle (lots of two tracks and forest service roads) but won't be doing rock crawling. Right now my JK has 16/58's and I was trying to get about 1.5" of lift. If I upgrade to 18/60's this seems like it will only get me an additional 1" or so. If I add 19's to the front, will this make the jeep look like it's sagging in the back?

I'm not looking for huge tires, just want to go to 33's from 31.5's. Will I need to regear for this minimal change?

Thanks to all who look/respond.

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Old 02-18-2016, 12:44 PM   #2
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Quote:
Originally Posted by Forest View Post
Sorry to beat a dead horse, but I have a few questions about my 2011 Wrangler JKU. I am trying to make it into an overlanding vehicle (lots of two tracks and forest service roads) but won't be doing rock crawling. Right now my JK has 16/58's and I was trying to get about 1.5" of lift. If I upgrade to 18/60's this seems like it will only get me an additional 1" or so. If I add 19's to the front, will this make the jeep look like it's sagging in the back?

I'm not looking for huge tires, just want to go to 33's from 31.5's. Will I need to regear for this minimal change?

Thanks to all who look/respond.
Closer to 1/2". To get what you want there is a combination of ways (depending on budget)

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Old 02-18-2016, 12:45 PM   #3
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Usually people sell springs as a set I personally would get the stiffest you can if you are making a "overlanding vehicle" this is assuming you will be carrying equipment also you are a 4 door.
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Old 02-18-2016, 02:41 PM   #4
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You haven't said what your current gearing is. But I would assume 3.73 with a 3.8 engine.
You would be fine with 33s with 3.73, you may feel a little loss of power but nothing significant.
I changed my 13/56 coils to 17/59 on my 2 door and got 1.25 lift and I also have 2" spacers.
Imo, I would opt for spacers, at least you know what you're going to get. Changing stock coils with different spring rates would be a crap shoot as to how much lift you are going to get on a JKU.
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Old 02-19-2016, 10:47 AM   #5
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Is your JKU an automatic or 6-speed? What is your current gearing (3.21/3.73)? With a 6-speed you'll notice any performance impact of going to 33" tires much less than an automatic. Also, have you thought about going to a coil leveling kit or a small 2" lift? I first went from 14/56s to 18/58s on my JK and it did provide a small lift, but then I eventually went to a TF 2.5" coil lift when I moved up to 33" tires and it rode much better than the stiffer Mopar springs. If I had to do it all over again knowing what I know now I would have just gone straight to an aftermarket small coil lift and new shocks, but this might not be an option for you based on your situation.
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Old 02-19-2016, 11:04 AM   #6
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If you want to be level, all things being equal, you need the 19/60.
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Old 02-19-2016, 11:27 AM   #7
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Put in the 18/59's (very easy to come by) and add a 1" Teraflex front spring spacer. That gets you the perfect height for 33's and will level you out when running empty.

Mine was exactly that for a while:


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