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Building a Bumper?Ruffstuff Axle Simple Swap Kit!~Artec JK 1 TON SWAP~

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Unread 12-09-2012, 08:12 PM   #1
xzy
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Anyone with a Truetrac in their 2012/2013

I'm trying to figure our two things. Can I put TT's in my 2013 JKUS. Eaton's 2013 application guide only go to 2011 for the JK. Front part # 912A585(g) ( 3.73 up ) Rear 913A589 ( all ) I've heard the carriers must be drilled from 7/16 to 1/2" which will take a machine shop I'm guessing. I can find someone to drill them ( I hope ) but I'd like to know if anyone has either of these on a late model JK.

I'm also looking for someone who does competent work for the installation. Any recommendations would be appreciated ( assuming the TT's will work in the first place )

I'm not here to debate Lockers vs LSD. I know the difference. Yes Lockers are great, but they're not for me.

This is a great forum.
...

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Unread 12-10-2012, 07:09 AM   #2
tslewisz
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I guess I can't give you an absolute answer, but I will say that I've heard of no differences between the diffs of 12/13's and earlier ones. I double-checked your part numbers, and they're correct.

If you're using OEM gears, yes, the rear carrier will have to be drilled. Some say it's no big deal, some say it's a bear. My aftermarket ring gear (Yukon) was drilled for both sizes so I just bought 7/16" bolts.

I love my TT's.
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Unread 12-10-2012, 07:27 AM   #3
RobsYJeep
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i was planning on doing f&r truetracs but I'm a lil concerned about their behaviour and performance in snow and slick conditions. My worst nightmare would be the traction device locks up and pulls to a side and into a ditch or oncoming traffic.

does anybody have real world experience with the TT front and rear in snowy and icy conditions.

thanks
guys

Rob
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Unread 12-10-2012, 02:39 PM   #4
michiganmaveric
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Can't say for sure about 12/13 taking TT's, but if you find out they can (which I think you probably will as I do not think there is any difference between 11 and yours) I can recommend a place just north of Detroit. The place is called "Ring and Pinion Shop", located at 36180 Groesbeck Hwy., Clinton Twp. Mi 48035. Phone 586-792-2560. They put TT's in my WJ, both axles, and I had no problems with them, put about 275,000 miles on them. I had them also install and regear my 2011 JKU from 3:73's to 4:10's with TT's. It would be a little bit of a drive for you, probably about 100 +/- miles, but they do good work. Give them a call and they will be able to tell you if yours will take TT's. What axles did your window sticker say you have? If it is next generation 30 and 44 then they are the same as the 2011's.
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Unread 12-10-2012, 02:44 PM   #5
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Quote:
Originally Posted by RobsYJeep View Post
i was planning on doing f&r truetracs but I'm a lil concerned about their behaviour and performance in snow and slick conditions. My worst nightmare would be the traction device locks up and pulls to a side and into a ditch or oncoming traffic.

does anybody have real world experience with the TT front and rear in snowy and icy conditions.

thanks
guys

Rob
I had TT's in both my axles on my WJ, and they were the best set up I could have asked for. You will not even know you have them, their operation is undetectable. They will not pull you to the side when they lock up, it is if they do not lock up that you will skew to the side. In the snow I was unstoppable, I would cut off the tops of snow drifts. On ice they are like anything else. On ice it is hard to control any vehicle. I liked the TT's so much that one of the first mods to my JKU was to put TT's in both axles, I highly recommend them.
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Unread 12-10-2012, 02:59 PM   #6
xzy
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I've got next gen 30/44. Sounds like I'm good. Thanks for the help. I'm running 3.73 with 285/70/17 BFG AT's. No plans ever going bigger. I've heard a lot of good things about the ring and pinion shop. I'll give them a call.
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Unread 12-10-2012, 10:22 PM   #7
djm
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Quote:
Originally Posted by xzy View Post
I've got next gen 30/44. Sounds like I'm good. Thanks for the help. I'm running 3.73 with 285/70/17 BFG AT's. No plans ever going bigger. I've heard a lot of good things about the ring and pinion shop. I'll give them a call.
my apologies for drifting off topic for a minute, do you run the 285/70/17 on a stock vehicle or do you have a lift ?

Thanks

Dan nj/pa
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Unread 12-11-2012, 05:50 AM   #8
xzy
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No lift, and don't plan on ever doing that. The wheels/tires came with it. AEV Savegre. The tires/wheels are heavy. Probably twice that of the stock set ( 255's ) No issues with clearance. I'm guessing there would be no problem with the stock wheels either.

Size: 17" x 8.5"

Bolt Pattern: 5x5

Offset: +10mm

Approximate Backspacing: 5.2"
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Unread 12-11-2012, 09:49 AM   #9
djm
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Thank you very much! I am looking to put 285/70/17 Goodyear Duratracs on my 2012 4dr Sport. Just trying to make sure I can without a lift at this point. When I add the winch I will do something to compensate for the added weight hanging off the front.

Thank you very much for your reply

Dan pa/nj



P.S. nice looking rig ya have there !
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Unread 12-11-2012, 04:06 PM   #10
gsaxe
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well I came hear for the lcoker dicussin but....my 285/70/17s hancook mts rub even more than my 285/70/17 mtrks did, and I have a 2.5" ome lift. Now I a talking aired down disconnected flexing but also at full turn on pavement at 33 psi.
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Unread 12-11-2012, 08:58 PM   #11
djm
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Quote:
Originally Posted by gsaxe View Post
well I came hear for the lcoker dicussin but....my 285/70/17s hancook mts rub even more than my 285/70/17 mtrks did, and I have a 2.5" ome lift. Now I a talking aired down disconnected flexing but also at full turn on pavement at 33 psi.
My apologies - you are correct this is about lockers.

Dan nj/pa
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Unread 12-12-2012, 09:57 AM   #12
gsaxe
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no worries here...I should apologize to the op too
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Unread 12-12-2012, 10:55 AM   #13
xzy
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No worries here either

Everyone's comments were very helpful.

My rear TT will be here today. I just called Ring & Pinion to set up an appointment. Right now I'm going to wait on the front.

Thanks to all...
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Unread 08-12-2013, 05:04 PM   #14
gsaxe
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how you liking the tt?
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Unread 08-13-2013, 10:51 AM   #15
SLADE
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I just had 4.88's and TrueTracs installed front and rear in my 2013 JK Sport. For the rear Dana 44, JK's use a 3.73 and down carrier for all gear ratio's. The carrier is not JK Dana 44 specific.

Rear
EAT-913A589

Front
EAT-912A585

Now would be a good time to regear and avoid having to drill out the rear ring gear bolt holes.

Here is a good price on Yukon Gears.
http://www.4ws.com/jeep-wrangler-jk-...ront-rear.html
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