Lockers

Discussion in 'SFA KJ' started by StewF, May 11, 2015.

  1. StewF

    StewF Full Access Member

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    Any thoughts please folk pondering a rear one on my 2002 3.7
     
  2. tommudd

    tommudd Moderator Staff Member Moderator

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    ARB, OX or Detroit Tru Trac
     
  3. 4x4kayak2112

    4x4kayak2112 Full Access Member

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    I have OX currently. Air activated. Love them.
     
  4. tjkj2002

    tjkj2002 Full Access Member

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    ARB,will never use another locker ever and at least the company will still be around in a few years(hint,hint OX has been bought/sold like 5 times in the last 4 years or so).
     
  5. StewF

    StewF Full Access Member

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    Cheers guys for the advice I kinda thought ARB much appreciated from the UK
     
  6. u2slow

    u2slow Full Access Member

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    Only lockers I've used in my fullsize trucks are Lockright, and Detroit Locker. I like how they work. The Powertrax is a smoother-engaging version of the lockright, with all the same grip.

    I put the Powertrax in the front of the KJ because its a full-time axle and wanted to minimize any 2wd side effects as my gf drives it most. It lives up to that - its like its not there at all - until you engage 4wd - then hang on and watch out!

    I may SFA the KJ sometime in the distant future, and this powertrax will swap right into a XJ/YJ/TJ/ZJ dana 30 solid axle.

    EDIT: I re-read the original post and realized you're locking the rear. Powertrax is a still a good candidate IMO.
     
    Last edited: Jun 28, 2015
  7. 4x4kayak2112

    4x4kayak2112 Full Access Member

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    Side note: i wouldn't dare put a weak d30 under a SFA KJ
     
    Last edited: Jun 28, 2015
  8. u2slow

    u2slow Full Access Member

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    Meh. When you're sitting on a couple XJ front diffs already (like me) and something major goes out on the IFS D30.... guess what's going in next :gr_grin:
     
  9. Jbergun

    Jbergun Full Access Member

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    Can someone install a locker with little to no wrench turning experience
     
  10. twowings

    twowings Full Access Member

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    No, I wouldn't recommended it for the casual wrencher....you need specialized tools and knowledge and someone who has done it looking over your shoulder...if you get it wrong, you can destroy your diff, locker, axle, etc...shop around...
     
  11. u2slow

    u2slow Full Access Member

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    The 'lunchbox' style locker (lockright, powertrax, spartan, aussie) is a much more forgiving install because you only replace the spider gears. It takes a few hours in the driveway without special tools. No more advanced than brakes or oil changes, IMO.
     
  12. Jbergun

    Jbergun Full Access Member

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    :mexsmoke:
    Thatnks i thought maybe it was as easy as taking off the cover pulling so e parts and putting in new parts thanks for the advice
     
  13. Jbergun

    Jbergun Full Access Member

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    Good to know thanks are those lockers just as good i have a 2002 with the select a trac would it still be beneficial i thought 4wd part time is kind of similar to lockers
     
  14. TwoBobsKJ

    TwoBobsKJ Full Access Member

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    In Part Time mode the front and rear don't differentiate from each other - they are locked together in the transfer case. The diffs on each axle are still open so that the wheel with less traction will spin; Part Time doesn't change that.

    With the SelecTrac, the transfer case acts as a differential between the front and rear axles so the Jeep can be driven on high-traction surfaces without driveline binding. In a turn the four wheels travel four different distances, which is why the SelecTrac has to differentiate between the front and rear axles - and then the diffs on each axle allow the wheel on the outside of the turn to travel faster.

    FYI - 4LO functions the same as Part Time as far as locking the front and rear axles together except the gear ratio is much lower. But just like Part Time, the wheels with less traction still spin when in mud, sand, rocks, etc.

    Bob
     
  15. u2slow

    u2slow Full Access Member

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    As good? Hmmm.... depends. Ultimately not as strong, but equally effective. You wont find a selectable lunchbox style though.
     
  16. Jbergun

    Jbergun Full Access Member

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    Good to know this mod will be down the line when some funds free up i like to do things right once and thats it so if that means i need to fork over good money for good stuff thats the case thank you for your advice
     
  17. Jbergun

    Jbergun Full Access Member

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    Wow all i knew was to use part time unless its really slippery i can put it in full time never on dry pavemeny so i always use part time in snow mud gravel never on dry road i knew i could just never needed it thanks for the info i learn something every time i ask a question here cant beat a good active community of people with one thing in common
     
  18. StewF

    StewF Full Access Member

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    Yup given me food for thought Thanks