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Old 03-16-2013, 09:18 AM   #1
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JKU lift, 35's and regearing

Hi everyone
I bought my 09 JKU Sahara about a year ago. My jeep was my first purchase after graduating college and getting a "big boy" job. After a year of enjoying the jeep I am looking into some mods. I am interested in a lift and 35's. Looking for some suggestions on setups. I know it's all preference, but I want to see what companies are reputable. (Pictures are always welcomed!) It is my DD (drive an average 15k a year mix of highway and city) and at this time I don't do a lot of hardcore offroading

Also, I have been reading up on regearing. I have an automatic and I have seen some people say its not a big deal and others that say its unbearable. Looking for 07-11 JKU auto owners to weigh in. This may put a hold on my mods while I save up. So, I am really taking my time on this decision.

Thanks in advance for all the help and suggestions!

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Old 03-16-2013, 09:25 AM   #2
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Quote:
Originally Posted by JScullz View Post
Hi everyone
I bought my 09 JKU Sahara about a year ago. My jeep was my first purchase after graduating college and getting a "big boy" job. After a year of enjoying the jeep I am looking into some mods. I am interested in a lift and 35's. Looking for some suggestions on setups. I know it's all preference, but I want to see what companies are reputable. (Pictures are always welcomed!) It is my DD (drive an average 15k a year mix of highway and city) and at this time I don't do a lot of hardcore offroading

Also, I have been reading up on regearing. I have an automatic and I have seen some people say its not a big deal and others that say its unbearable. Looking for 07-11 JKU auto owners to weigh in. This may put a hold on my mods while I save up. So, I am really taking my time on this decision.

Thanks in advance for all the help and suggestions!
Do you know your current gearing? If you are 3.73 it may be bearable, 3.21 not so much. I had 3.73 on my 08 auto and thought it was bearable, rode like this for a while. Road Trips sucked, driving on hilly highways. No final drive, transmission shifting every which way. Kills MPG. Around town not bad.

I put 5.13's in and WOW. What a difference. I would suggest re-gear for sure, not say you can't lift and get tires right now then gradually collect parts for the re-gear. That's what I did.

As for lift, I would suggest either the Rock Krawler 2.5" Max travel or one of their 3.5", like the Max Flex or seomthing.

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Old 03-16-2013, 10:12 AM   #3
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I have a 2010 JKU automatic with 3.73's and 35's. It was bearable...I just took it in last week to have 5.13's installed. Can't wait to see how it runs when I get it back.

So 35's and 3.73's are do able.
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Old 03-16-2013, 10:18 AM   #4
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I have a 2010 JKU automatic with 3.73's and 35's. It was bearable...I just took it in last week to have 5.13's installed. Can't wait to see how it runs when I get it back.

So 35's and 3.73's are do able.
I have the exact same thing and am at the bearable point. Looking to regear later in the year once my wallet heals from the Jeep mods beating I just laid down on it lol. Do you mind me asking what its gonna cost you and what kind of shop you found to do the job. I know gears are specialzed.
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Old 03-16-2013, 11:18 AM   #5
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Embarrassing I know... But I am unsure what my current ratio is. This was something I was unaware of when buying my jeep.

Can the axel tag or the tag on the tcase give me info or is the best bet to jack it up and rotate the rear wheels?
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Old 03-16-2013, 11:35 AM   #6
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Rgister your VIN here and you will find your build sheet.

https://www.moparownerconnect.com/oc...nersLogin.aspx

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Old 03-16-2013, 12:13 PM   #7
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Just registered and I do have 3.73. Thanks Dan!
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Old 03-16-2013, 05:19 PM   #8
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I have the exact same thing and am at the bearable point. Looking to regear later in the year once my wallet heals from the Jeep mods beating I just laid down on it lol. Do you mind me asking what its gonna cost you and what kind of shop you found to do the job. I know gears are specialzed.
Jhw349,

I am having the work done at Jeep Performance in Yucaipa, CA. I am having a few things done while its down there, but I believe the regearing is about $1600.

What ever shop you take it too. Ask them what gears they use. Because some shops while give you a lower quote but they are using lesser quality gears to cut their costs.

Let me know if I can answer any other questions..
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Old 03-16-2013, 06:06 PM   #9
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I have a 2010 JKU automatic with 3.73's and 35's. It was bearable...I just took it in last week to have 5.13's installed. Can't wait to see how it runs when I get it back.

So 35's and 3.73's are do able.
Thanks for the info. Let me know how much of a difference the 5.13's are
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Old 03-16-2013, 06:36 PM   #10
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Yeah . . . 35s with an auto transmission pre-2012 is going to be tough. "Bearable" is the right word.

It's going to hit your gas mileage pretty hard too, btw. If you're commuting 15k miles a year, 35s being spun by 3.73s on the old 3.8 with the old auto trans are going to put you in probably the ~12 mpg range.

So low power and bad mpgs.

Now, regear to 5.13s and your mpg and power will be much better.
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Old 03-16-2013, 06:45 PM   #11
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Thanks for the info. Let me know how much of a difference the 5.13's are
I should be picking the jeep up sometime this week. I will let ya know how it runs.
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Old 03-16-2013, 07:26 PM   #12
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I did the regear first. MPG averaging 16 - 16.5. My AEV lift with 35" duratracs are going on Monday. I will see how it affects things. Dont forget to gusset the Cs.
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Old 03-21-2013, 08:17 PM   #13
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Thanks for the info. Let me know how much of a difference the 5.13's are
Just picked up my Jeep (2010 JKU automatic with 35's) after having it regeared with 5.13's. What a difference. I was hesitant on 5.13's, but that’s what the shop suggested. So I went with the 5.13's. I would definitely recommend 5.13's. Jeep runs awesome.
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Old 03-21-2013, 08:33 PM   #14
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Im thinking of getting a 2,5 inch lift with 35's but I have a 2009 manual, how is that with 3.73?
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Old 03-21-2013, 08:52 PM   #15
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Just picked up my Jeep (2010 JKU automatic with 35's) after having it regeared with 5.13's. What a difference. I was hesitant on 5.13's, but that’s what the shop suggested. So I went with the 5.13's. I would definitely recommend 5.13's. Jeep runs awesome.
Thanks for following up. Good to hear the change is worth it. What lift are you running and How do you like it?

I'm still researching and reading up on everything. The more I read the tougher the decisions seem to be.
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Old 03-21-2013, 08:54 PM   #16
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With a manual, I believe you will want to go with 4.88's
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Old 03-21-2013, 09:05 PM   #17
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Thanks for following up. Good to hear the change is worth it. What lift are you running and How do you like it?

I'm still researching and reading up on everything. The more I read the tougher the decisions seem to be.
Its a Mopar lift, which was installed before I bought the Jeep. Rides good, but planning to upgrade the control arms and track bars when I get more money..Always something..LOL
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Old 03-21-2013, 10:09 PM   #18
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How much would going to 4.88 cost me?
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Old 03-21-2013, 10:29 PM   #19
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Regearing is about $1600.

What ever shop you take it too. Ask them what gears they use. Some shops will give you a lower quote but they are using lesser quality gears to cut their costs.
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Old 03-21-2013, 10:45 PM   #20
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This all great information... I just put a 2.5 lift and 35's on my 2011 Sahara (auto trans). It is bearable as long as you are staying around 55 or less. I will eventually get mine regeared, but summer time is around the corner and I will not be in any hurry to get anywhere.
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Old 03-22-2013, 07:07 AM   #21
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This all great information... I just put a 2.5 lift and 35's on my 2011 Sahara (auto trans). It is bearable as long as you are staying around 55 or less. I will eventually get mine regeared, but summer time is around the corner and I will not be in any hurry to get anywhere.

What lift you running? And do you have 3.73?

I am hoping it will warm up soon here in MA. I am eager to get my soft top on for the first time and the nicer weather makes me want to buy a lift and tires even more.
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Old 03-22-2013, 07:19 AM   #22
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What lift you running? And do you have 3.73?

I am hoping it will warm up soon here in MA. I am eager to get my soft top on for the first time and the nicer weather makes me want to buy a lift and tires even more.
Hey JScullz, plan on going to the Go Topless Day event in May? I am a new Jeep owner, will be my first. Cannot wait. What part of MA you from?
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Old 03-22-2013, 07:21 AM   #23
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Where and when is this event taking place?
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Old 03-22-2013, 08:28 AM   #24
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Where and when is this event taking place?
X2!

Western MA. Springfield
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Old 03-22-2013, 11:51 AM   #25
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Good thread. Not to hijack, but I have a similar situation. Have the MW3 JKU with 4:10's. I would love to get 35's and a 4" lift becuase of the looks, but mine is a Daily Driver, mostly highway, about 80 miles round trip, 4 days per week. Is that too much of a lift? Would I need to re-gear? Would I be better off with a smaller lift? What is the difference of a couple of inches of lift and on what parts? Also, mine is a 2012, new Pentastar engine.

Any insight for my specific situation would be greatly appreciated.
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Old 03-22-2013, 05:32 PM   #26
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Where and when is this event taking place?

Go Topless Day will be held on Saturday May 18th in Monson, Mass. It's about 90 minutes from Boston down the Pike.

Edit: http://www.allthingsjeep.com/go-topless-day.html
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Old 03-22-2013, 06:45 PM   #27
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Bottom line is this: Terrain. I live on flat ground and the 5.13's that everyone recommends would be the wrong choice. I went with 4.88's and get 15.7 mpg with 35's.
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Old 03-24-2013, 12:29 PM   #28
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Go Topless Day will be held on Saturday May 18th in Monson, Mass. It's about 90 minutes from Boston down the Pike.

Edit: All Things Jeep - Jeep Owners! 6th Annual Go Topless Day is May 18th, 2013
This sounds great! Thanks for the info. I am hopefully going to this...that is if I don't have to work!
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Old 03-24-2013, 12:37 PM   #29
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More questions!! Have been looking at a few lifts and wanted feedback:

2.5" TF w/out shocks Teraflex 1351000 - TeraFlex 2.5" Lift Kit without Shocks for 07-13 Jeep® Wrangler Unlimited JK 4 Door - Quadratec
2.5" TF shock adapters Teraflex 1352000 - TeraFlex 2.5" Lift Kit with Shock Adapters for 07-13 Jeep® Wrangler Unlimited JK 4 Door - Quadratec
2.5" w/ shocks Teraflex 1251000 - TeraFlex 2.5" Lift Kit with Shocks for 07-13 Jeep® Wrangler Unlimited JK 4 Door - Quadratec

Or 2.5" AEV AEV 2.5" DualSport XT Suspension System with Bilstein Shocks for 07-13 Jeep® Wrangler Unlimited JK 4 Door with LHD - Quadratec
Any thoughts, suggestions and input on these? Also, from those running these lifts and did the install how was it? This will be my first lifted vehicle.

Have narrowed the tire decision down and leaning toward duratracs given this will be a daily driver and see its fair share of on road commutting to and from work.

Last thing, if I go with 35" duratacs would I need a new rear bumper/tire carrier? Really trying to plan out my build and see what I need to save to get this started right.

Thanks!
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Old 03-24-2013, 04:53 PM   #30
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Good thread. Not to hijack, but I have a similar situation. Have the MW3 JKU with 4:10's. I would love to get 35's and a 4" lift becuase of the looks, but mine is a Daily Driver, mostly highway, about 80 miles round trip, 4 days per week. Is that too much of a lift? Would I need to re-gear? Would I be better off with a smaller lift? What is the difference of a couple of inches of lift and on what parts? Also, mine is a 2012, new Pentastar engine.

Any insight for my specific situation would be greatly appreciated.
I believe the 4.10s will work. But 4" lift would require new drive shafts. The angle would be too great on the shaft. From what I've read he wold be ruined in a few months of driving. A 2.5" inch would work fine for 35's. just go with a good lift. Rock Krawler, AEV, tear flex or Metal Cloak are good. I'm by know means an expert. This is what I've learned from this forum. Hope it helps

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