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Old 05-20-2012, 01:26 AM   #1
Join Date: Apr 2012
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Question about lifting an LJ

Just got an 06 LJ. Right now it is stock with 30" tires. I want to lift it and put either 31" 32" or 33" tires. The gearing is 3.73. If I go with the 31" or 32" what 2" suspension lift would you recommend? And if I go 33" would I have to re gear, and what does that even mean, is it expensive to do? And how big of a lift would I need? I plan to go off roading about once a week.

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Old 05-20-2012, 01:48 AM   #2

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Regearing means that you put new gears in your differentials & you are correct that it is expensive. But if you have 3.73's you really don't NEED to regear, sure it would be better to have 4:11's or 4:56's but saying that I have 33's and 3:73's and I haven't had any issues. Sure 5th gear is used for mostly flat highway driving and I may have to drop her into 4th for some hills but in 4wd I do just fine.

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Old 05-20-2012, 02:01 AM   #3
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First off, lifts are much more involved than people usually think. There are many different combo's that you can do to get the hight that you want, but can involve Brakes, SYE Kits, Brake Lines, Drive Shafts, and the list goes on... I have an LJ. After 2 different lifts/tires, I wouldn't put anything under 35's only because to me my Jeep looks more proportional (as it's longer). If you go with 33's then you could get away with out re-gearing (about $1500 in S. FL) and it will be a lot cheaper too. Before I had my RE 4.5 w/ 35's I was running 33's with a 2" lift and Bushwacker Flat Fenders which gave me the extra 2.75" clearance on the tires. Or you could go with a 2" lift with 1-1.25" BL to give you the height and not change your fenders. Before you do anything maybe do down to your local 4x4 shop and ask them every question that you can think of and get all the prices and options...
[B]2006 Jeep Unlimited RE Express 4 1/2" Lift, JKS 1.25" BL, 37x14.50R15, Toyo Open Country Tires, Tom Woods Drive Shafts, SYE Kit, D30/D44 4.88 Gears, Warn 8000 lb Winch, Cobra CB, Viair On-Board Air, Bushwacker Flat Fenders, and Lots of light
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Old 05-20-2012, 08:40 AM   #4
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33's are fit in two common ways on LJ/TJ's:

1. 4" suspension lift, with 2" bumpstop extensions in front and 2-2.5" in the rear. Will likely requires a SYE/CV shaft.
2. 2.5" suspension lift, with a 1.25" body lift, with 1-1.25" bumpstop extensions in front and 1.25-1.5" in the rear. The 1.25" BL usually accompanies a 1" Motor Mount Lift to offset some of the driveline angles.

Either way you go, figure on some or many of the following components: longer front brake lines, extended sway bar links front and rear, gears, brake and steering upgrades to accommodate larger tires, SYE, CV shaft, bumpstop extensions, new shocks, adjustable track bars, and a rear track bar bracket.

I run 33s, with ~2.5" SL + 1.25" BL, 1" MML, tummy tuck, and some other stuff. Here's more info.
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Old 05-20-2012, 09:37 PM   #5
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I have an '05 LJ. 3" Teraflex lift, extended bumpstops, extended rear sway bay links, new front quick disconnect links, brake line brackets were moved but no new gear there, new 5100 Bilstein shocks, adjustable front track bar (although the installer can drill the bracket and use the stock bar, new bracket and reused stock bar in rear. I also added adjustable lower CAs, an rear upper CAs. Run 33x10.5 BFG AT w/o any proble. No SYE and no vibs. 3.73 gears work fine (I have 6sp manual) but I'd like 4.56. I think a TT will be next because you gain a lot of clearance under the middle which is key with the longer LJ wheel base.
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