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Thread: Limited Slip

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    JK Enthusiast jared1843's Avatar
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    Default Limited Slip

    For those of us not buying a Rubicon. Can you guys briefly discuss whether or not you are getting the optional limited Slip rear differential?

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    JK Newbie Killian's Avatar
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    Default

    I have ordered my X Unl with the optional ls/anti spin rear diff. I prefer the added drive of both rear wheels.
    For off road use, the brake lock diff may be all most would need - even with an open diff.
    Some people see things that are and ask, Why? Some people dream of things that never were and ask, Why not? Some people have to go to work and don't have time for all that ...
    George Carlin

  3. #3
    Former Member nam6869usmc's Avatar
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    Here's some info on the Rubi's rear Diff,....good article on pro's & Con's and how the Con's are defended by the Pro's. It looks like the Rubi come's standard with open Diff's. But with the new "BLD" Brake Lock Diff, you really don't need LSD, Plus you have lockers anyway.

    http://www.jpmagazine.com/roadtests/...pros_and_cons/
    Complaint: The new electric lockers suck.
    Reality: The JK axlehousings, shafts, and gears are all stronger than the TJ’s. It’s true, when disengaged the rear JK Rubicon locker is open whereas the TJ’s is a limited slip. But we’ll take the strength and durability over the limited slip any day.
    Last edited by nam6869usmc; 01-04-2007 at 09:23 AM.
    Rescue Green UNLIMITED "X" 4X4, Auto, Power & "S" Package, (D44=LSD) (D30=Aussie Locker) ,Hardtop, 32's BS A/T Revo's, RockCrusher Diff Cover's,SKIDROW OFFROAD Rock Rails, Front Skid, & Engine Tranny Skid, Skyjacker 2 1/2" Coils(Front), SJ's Nitro 8000's, Tera Swaybar QD's, KC's>Warrior Brackets,Thule M.O.A.B. Basket

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    JK Jedi doojer's Avatar
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    It also depends on what you plan to do with it. I skipped the LS option because I plan on installing a selectable locker down the line. If that is something you might do in the future, it may be best to leave the diff open. Also, if you will be driving on a lot of ice or snow, you may want to skip the LS, as it can lock up in those conditions and give you less steering control.

    So, IMHO, I'd say if you don't plan on driving on ice/snow too often and don't plan on adding a selectable locker in the future, go with the LS. Otherwise, I'd leave the diff open until you can install something selectable.

  5. #5
    Eternal Moderator HappyCurmudgeon's Avatar
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    Quote Originally Posted by nam6869usmc View Post
    "you really don't need LSD"

    Well, maybe i don't but maybe i do.





    flashbacks...



    it's medicinal.

    it keeps my boss from having to see a doctor. :toung:
    ~Ever Onward~

    CANCER SUCKS

    US Air Force veteran and damned proud of it!

  6. #6
    JK Enthusiast jared1843's Avatar
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    Default Ordered

    Well guys. I just ordered my jeep with the LS Diff at lunch today. Black X model with black hard top and 17's.

    I had not planned on getting a selectable diff so it seems like the right option for me. As for driving on ice, I live in Arkansas and don't get too much of that.

    I'm still being told it is better to have the LS Diff than what is standard for the limited amount of off roading and jeep trailing i'll be doing.

  7. #7
    JK Freak Ge99ne's Avatar
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    It's an improvement when you are offroad. I've noticed the traction assist robs some power as the calipers slow the spinning wheel. The basic system keeps one or two wheels from digging to china. Hopefully yours will make the basic system not kick in on the back axle.
    A Jeep a h2 and an fj40 drive into a sand bar....

  8. #8
    JK Newbie
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    Quote Originally Posted by doojer View Post
    It also depends on what you plan to do with it. I skipped the LS option because I plan on installing a selectable locker down the line. If that is something you might do in the future, it may be best to leave the diff open. Also, if you will be driving on a lot of ice or snow, you may want to skip the LS, as it can lock up in those conditions and give you less steering control.

    So, IMHO, I'd say if you don't plan on driving on ice/snow too often and don't plan on adding a selectable locker in the future, go with the LS. Otherwise, I'd leave the diff open until you can install something selectable.
    if you had to choose:
    B package model that has the 4.0 and NO limited slip trac-lok
    C package model 3.21 w/ limited slip trac-lok

    which would it be?

  9. #9
    JK Newbie Modshack's Avatar
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    Quote Originally Posted by jared1843 View Post
    Well guys. I just ordered my jeep with the LS Diff at lunch today. Black X model with black hard top and 17's.

    I had not planned on getting a selectable diff so it seems like the right option for me. As for driving on ice, I live in Arkansas and don't get too much of that.

    I'm still being told it is better to have the LS Diff than what is standard for the limited amount of off roading and jeep trailing i'll be doing.

    Smart move...According to the window sticker, that option gets you the upgraded dana 44 axle... Buying a JK without the LSD was a dealbreaker for me. Glad I found one...

  10. #10
    JK Jedi doojer's Avatar
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    Quote Originally Posted by Modshack View Post
    Smart move...According to the window sticker, that option gets you the upgraded dana 44 axle...
    The D44 comes with the tow package, too.

  11. Default JK-Forum


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