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Just Installed a Powertrax No Slip AKA Lunchbox Locker in my 2nd gen

Discussion in 'Technical Chat' started by EatSleepTacos, Jul 30, 2018.

  1. Aug 14, 2018 at 3:27 PM
    #61
    EatSleepTacos

    EatSleepTacos [OP] Well-Known Member

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    Randy
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    I give you full credit for the idea of a lunchbox locker. You've been wanting to do it longer than I have! You just convinced me to pull the trigger before you did.
    That sounds like a hell of a fun time.
     
    BravesRunner likes this.
  2. Aug 14, 2018 at 3:35 PM
    #62
    16Tacos

    16Tacos Well-Known Member

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    In for the Rausch report!

    So with one of these if you have one rear tire in the air and try to accelerate the rear will be locked, right?
     
  3. Aug 14, 2018 at 3:38 PM
    #63
    EatSleepTacos

    EatSleepTacos [OP] Well-Known Member

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    Yep, that's correct! The video I'll get at Rausch will illustrate that perfectly. Of course when I go, I'll be sure to post in here.
     
    05Taco4x4 and 16Tacos like this.
  4. Aug 14, 2018 at 3:39 PM
    #64
    ovrlndkull

    ovrlndkull STUKASFK - HC4LIFE

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    The way a mechanical locker works is it has to overcome spring pressure to "ratchet" they are permanently locked together until that happens. It unlocks and ratchets when the wheels need different speeds like going around a corner.
     
    toysrgood likes this.
  5. Aug 14, 2018 at 4:18 PM
    #65
    BravesRunner

    BravesRunner “Exploration is curiosity put into action”

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    It just took you buying it and putting it in to get me to buy one. I was dragging my feet with it.

    And I’m all about some “FULL SEND” :mudding:
     
  6. Aug 14, 2018 at 4:25 PM
    #66
    ovrlndkull

    ovrlndkull STUKASFK - HC4LIFE

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    Have you seen the YouTube videos of Rausch and AOAA?
     
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  7. Aug 14, 2018 at 4:26 PM
    #67
    toysrgood

    toysrgood MiniTaco

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    Everyone who watches you off the road walks away impressed.
     
  8. Aug 14, 2018 at 4:28 PM
    #68
    ovrlndkull

    ovrlndkull STUKASFK - HC4LIFE

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    My tow strap is permanently attached to the back of the truck for Adam. But he'll send it that's for sure!!!
     
    BravesRunner likes this.
  9. Aug 14, 2018 at 5:14 PM
    #69
    BravesRunner

    BravesRunner “Exploration is curiosity put into action”

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    I haven’t yet but I definitely will to see why I’m up against!

    I get more and more confident every time I go out. I just follow directions from people that have more experience and it’s worked in my favor so far so I give them all the credit!

    Just there for insurance!
     
  10. Aug 14, 2018 at 5:24 PM
    #70
    EatSleepTacos

    EatSleepTacos [OP] Well-Known Member

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    Here’s the hill I’ll be doing with a locker. As you can see, it’s very flexy and I struggled on it with an open diff the first time I did it.

    https://youtu.be/Q9aUTFPjgR4?t=119
     
  11. Aug 14, 2018 at 5:31 PM
    #71
    ovrlndkull

    ovrlndkull STUKASFK - HC4LIFE

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    How steep is that hill looks like it's probably a lot like Dutch john at URE the video I shared of the jeep going down it. When I go up that hill I hit it doing like 10 mph and am on the wheel hard hunting for the next traction spot to pull me up until the rear wheels get traction then repeat.
     
  12. Aug 14, 2018 at 5:32 PM
    #72
    EatSleepTacos

    EatSleepTacos [OP] Well-Known Member

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    It’s fairly steep but not that long. Maybe 150’? It’s fun.
     
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  13. Aug 14, 2018 at 5:35 PM
    #73
    ovrlndkull

    ovrlndkull STUKASFK - HC4LIFE

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    Dutch may be a little steeper it's hard to tell video wise without doing or seeing them both. Dutch is Probably the same length but there is a rip rap section at the beginning and then dirt at the end with some small humps to make it closer to 200 ft or so.
     
    EatSleepTacos [OP] likes this.
  14. Aug 14, 2018 at 5:40 PM
    #74
    hx989

    hx989 Superunknown Member

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    Yeah that's where a locker shines over a limited slip diff although you could trick it by lightly applying the ebrake
     
  15. Aug 14, 2018 at 5:43 PM
    #75
    ovrlndkull

    ovrlndkull STUKASFK - HC4LIFE

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    Using the pedal works better for a limited slip a click or 2 on the ebrake works OKish when doing a really slow crawl climb on open diffs.
     
  16. Aug 14, 2018 at 5:44 PM
    #76
    TACOVRD

    TACOVRD I Identify As A Prius

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    Workin' on it....
    @Nitori

    Was this what you were talking about before?
     
  17. Aug 14, 2018 at 6:37 PM
    #77
    Nitori

    Nitori Well-Known Member

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    No... Well, sort of. What I was talking about was a rebuild kit for the OEM clutch type LSD using more performance oriented friction materials.

    I won't bore everyone with a write up explaining all the details and theory of application, but TL;DR "lunchbox" lockers or other selectable lockers are solid ratcheting mechanical units that have an on/off sort of engagement where they split torque 50/50, whereas clutch types are more "progressive" and gentle in their engagement, depending on friction material and spring strength.

    It's really just like upgrading the clutch in a manual transmission, you're making the friction surface more bite-y and aggressive.
     
    TACOVRD likes this.
  18. Aug 14, 2018 at 6:40 PM
    #78
    EatSleepTacos

    EatSleepTacos [OP] Well-Known Member

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    Which LSD would you add? After ‘08 all the LSD’s in these trucks are really just simulated with brakes and electronics so the diff is still technically open.
     
  19. Aug 14, 2018 at 6:42 PM
    #79
    Nitori

    Nitori Well-Known Member

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    A pre-08 LSD, rebuilt with better friction rings. :)
     
    EatSleepTacos [OP] likes this.
  20. Aug 14, 2018 at 6:44 PM
    #80
    EatSleepTacos

    EatSleepTacos [OP] Well-Known Member

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    I’m curious about this project now. Would you just swap in an entire 2nd gen axle?
     

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