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Old 01-11-2020, 01:36 PM
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Question Suggestions/Advice: 33in tires/1.5in TF Performance Leveling kit

Hello, a post as old as time... Looking to get to 33in on my '07 JKU with 138,000 miles. Not interested in going bigger than 33in because it would just be too expensive and not be worth it on such an old Jeep.


I know I could make 33's run stock, but my suspension is old, saggy, rusty, and needs replacement - so I'm looking at the TF Performance 1.5" leveling kit ($445) and the Fox Racing 2" IFP Performance shocks ($575). I will run on my stock tires until I can save up for new wheels and 33in tires.


Any thoughts, advice or warnings before I pull the trigger?

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Old 01-11-2020, 02:03 PM   #2
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I have the performance leveling kit on my JKUR. Works very well in my opinion. I'm running 35's with my stock fender cut.

ben

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Old 01-11-2020, 04:10 PM
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I have the performance leveling kit on my JKUR. Works very well in my opinion. I'm running 35's with my stock fender cut.

ben

Cool Ben, thanks for the details. What wheels are you running?
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Old 01-11-2020, 04:35 PM   #4
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Do you offroad? If so I think you'll be happier with a 2.5" lift
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Old 01-11-2020, 07:24 PM   #5
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My recommendation would be to spend half as much and go with the Rancho 2" progressive kit with the adjustable 9000 shocks. After forum discounts from some of our vendors, you are looking at less than $500 all in. Then you could put the savings towards geometry brackets or lower control arms, Synergy shock extensions, etc, etc.

I've since changed to a taller spring, but I had no complaints with the full Rancho setup. I ran it with 285/75/17s, which are listed as a 34" tire.

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Old 01-12-2020, 12:08 AM
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Originally Posted by riptideMBP View Post
Do you offroad? If so I think you'll be happier with a 2.5" lift

Hey Riptide, I do offroad occasionally, although unfortunately I foresee less offroading and more commuting with my new job. Most of the trails in my area that I frequent can easily be accomplished with a stock JKU if you pay attention and are smart about where you go. Most the reason I am planning this upgrade is because my stock suspension is shot and rather than replace with OEM, I thought I would get another inch and a more aggressive stance with some larger tires.


The concern I have with a 2.5" lift is the needed increase in tire size, I'm not a huge fan of a 33" on a 2.5in lifted JKU, they look to small IMO. From everywhere I've read, increasing tire size to 35"+ means more wear and tear in other parts that I really don't want to deal with and more dramatically changes the steering geometry of the rig.
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Old 01-12-2020, 12:17 AM
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My recommendation would be to spend half as much and go with the Rancho 2" progressive kit with the adjustable 9000 shocks. After forum discounts from some of our vendors, you are looking at less than $500 all in. Then you could put the savings towards geometry brackets or lower control arms, Synergy shock extensions, etc, etc.

I've since changed to a taller spring, but I had no complaints with the full Rancho setup. I ran it with 285/75/17s, which are listed as a 34" tire.

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Hi 4fit, I hadn't had the Rancho 2" progressive kit on my radar yet, that does look like a pretty sweet package. Also love how your Jeep looks, that's kinda the stance I'm looking for. Did you notice any issues with a tire that size? Any noticeable premature wear on driveline/suspension components?


I already have the Teraflex HD Steering full kit so I'm not too worried about that, but I'm trying to avoid opening Pandora's box with this project. Thanks again for your advice!
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Old 01-12-2020, 12:30 AM   #8
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Hi 4fit, I hadn't had the Rancho 2" progressive kit on my radar yet, that does look like a pretty sweet package. Also love how your Jeep looks, that's kinda the stance I'm looking for. Did you notice any issues with a tire that size? Any noticeable premature wear on driveline/suspension components?


I already have the Teraflex HD Steering full kit so I'm not too worried about that, but I'm trying to avoid opening Pandora's box with this project. Thanks again for your advice!
Nope, no issues to speak of. I have 3.73s and after recalibrating (I used a ProCal, but would use JScan if I was to do it again) I average 17.2mpg, which is only .5mpg less than I was averaging on the stock setup.

I actually still run that same tire, but I've pulled the Rancho springs in favor of the Mopar 2" (more like 3.25") springs. I have nothing but good things to say about these Nitto Ridge Grapplers. The fact that they are available in 285/75 in a load range C is a great bonus.

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Old 01-12-2020, 03:01 PM   #9
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I go so many places in with just my wheel and the leveling kit. Only on rare occasion do I wish I had more clearance and only really for break over angle.

If you are serious about only 33" you'll be happy with the leveling kit, but you will suffer some axle ground clearance compared to 35".

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Old 01-13-2020, 02:10 PM   #10
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I originally bought a teraflex leveling kit for my wife's JKU and started shopping for shocks. What I found is that the rancho 2" kit is priced such that the cost of the kit with springs, bumpstops, and brake line extensions was $50-$100 more, which was less than the cost of the leveling kit. I sold the leveling kit to a friend and his wife loves it on her JKU with stock shocks. Then I bought the 2" rancho kit with rs9000 shocks. That kit can be purchased for $475 or less on a number of sites after coupon codes or sales. Seems like a great value to me.
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Old 01-13-2020, 03:53 PM   #11
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Originally Posted by boosthead View Post
I originally bought a teraflex leveling kit for my wife's JKU and started shopping for shocks. What I found is that the rancho 2" kit is priced such that the cost of the kit with springs, bumpstops, and brake line extensions was $50-$100 more, which was less than the cost of the leveling kit. I sold the leveling kit to a friend and his wife loves it on her JKU with stock shocks. Then I bought the 2" rancho kit with rs9000 shocks. That kit can be purchased for $475 or less on a number of sites after coupon codes or sales. Seems like a great value to me.
This is true and I was looking to go this route, but when you add in the extra money for either LCAs or Geo Brackets it was less attractive. I am running 33's with 1.75 spacers in the front & .75 in the rear. Plenty of clearance for the tires, and no added issues with steering.
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Old 01-13-2020, 04:33 PM   #12
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Originally Posted by Nottalot View Post
This is true and I was looking to go this route, but when you add in the extra money for either LCAs or Geo Brackets it was less attractive. I am running 33's with 1.75 spacers in the front & .75 in the rear. Plenty of clearance for the tires, and no added issues with steering.
Chances are that there would be no issues with the Rancho 2" kit either. I had that kit for many thousand miles without any LCAs or geo brackets and was perfectly fine. I eventually did add LCAs mainly because I wanted something to do and because I knew they would be needed when I went up in lift height.

If I recall correctly, the Rancho kit gave me something like 2.1" up front and 1.4" in the rear. Nothing crazy. Swapping for the Mopar springs gave me a bit over an inch more all around.

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Old 01-14-2020, 08:30 AM   #13
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On my JKU, I netted 2.25 front and 1.25 rear, so .25" more than the Teraflex leveling kit.
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Old 01-14-2020, 10:07 AM   #14
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I love everything Terraflex does and would run anything by them. But I did used to have Rough Country on my past Jeep. While its lower end I really liked it on road and off. For less money you get shocks. Or for same money you get way more. Longer springs and shocks track bar relocation etc And I would consider a new steering stablizer. While not truly needed It'll help when you have the bigger tires and taller springs esp if its never been replaced.

https://www.roughcountry.com/jeep-su...ted-4wd-374009

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