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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 6:45 PM
    #81
    toysrgood

    toysrgood MiniTaco

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    This is definitely on my shopping list!
     
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  2. Aug 14, 2018 at 6:45 PM
    #82
    hx989

    hx989 Superunknown Member

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    Eff that, if you're adding one get a Torsen. Or Truetrac. You don't want clutches cuz they all wear out
     
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  3. Aug 14, 2018 at 6:47 PM
    #83
    Nitori

    Nitori Well-Known Member

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    Probably not. I might buy a full axle but I'd end up pulling the 3rd member, rebuilding and working my mad science, then doing a 3rd member swap.

    Actually I've been meaning to do some research on whether or not Toyota 86'es have the same ring and pinion dimensions as Tacos, in which case... :devil:
    (obviously the axle housing is for independent rear suspension but if the internal guts are the same you've got a wide aftermarket to play around in)
     
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  4. Aug 14, 2018 at 6:50 PM
    #84
    EatSleepTacos

    EatSleepTacos [OP] Well-Known Member

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    Randy
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    I’m confused since 2nd and 3rd gens have different sized diffs. Would you modify your existing axle housing to fit the 3rd?

    Also are you the guy who’s working on the AWD front diff thing? I’ve skimmed that thread. Impressive stuff.
     
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  5. Aug 14, 2018 at 6:53 PM
    #85
    Nitori

    Nitori Well-Known Member

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    Truetrac and Torsen are the same thing, helical torque biasing diffs.

    The problem with torque biasing units is they need load on both wheels to do their biasing. You lift a wheel, SOL. A clutch LSD might at least get you somewhere if you can get it to partially lock up by spinning it.

    Also diff clutch packs are a wear item, just like brake pads... :notsure: I still want those!:rofl:
     
  6. Aug 14, 2018 at 7:01 PM
    #86
    hx989

    hx989 Superunknown Member

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    Edit:
    Oops, wrong thread.

    So, no they're not the same but similar.
    And yeah that's a real crap comparison but I'm glad you keep brake pads on your truck
     
    Last edited: Aug 14, 2018
  7. Aug 14, 2018 at 7:03 PM
    #87
    Nitori

    Nitori Well-Known Member

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    If I remember right only the Offroad and PRO have the newer size diff, everything else has the same old Toyota 8 inch rear.
     
  8. Aug 14, 2018 at 7:08 PM
    #88
    hx989

    hx989 Superunknown Member

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    I heard all the manual trans trucks have the bigger rear too
     
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  9. Aug 14, 2018 at 7:08 PM
    #89
    EatSleepTacos

    EatSleepTacos [OP] Well-Known Member

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    Ah maybe. I’m not super well versed in some of the 3rd gen specifics. I just knew there’s a larger diff in there somewhere. Definitely make a thread sharing your experiences!
     
  10. Aug 15, 2018 at 4:49 AM
    #90
    ovrlndkull

    ovrlndkull STUKASFK - HC4LIFE

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    The MT and e-locker diffs of the 3rd gens have an 8.75" ring gear the axle is closer to that of a ford 8.8". From what I've been finding is the pinion is a little larger also where the bearings ride. I think I need to get a MT one and tear it down for science. The rest of the trucks have the exact same rear as the 2nd gens. Also the electronic locker in the 3rd gens actuates differently.

    Who wants to donate to my 3rd gen MT rear axle science project. They run about 1g used
     
    Bastek and EatSleepTacos [OP] like this.
  11. Aug 15, 2018 at 8:02 AM
    #91
    hx989

    hx989 Superunknown Member

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    You can bolt in the whole axle assembly. Possibly need to run an adapter flange where the pinion meets the drive shaft.

    I just installed the Harrop locker in my second gen. That's the same activation that the new TRD off-road and pro use. An internal electro magnetic lock ring. Just like an ARB except not pneumatic
     
  12. Aug 15, 2018 at 8:48 AM
    #92
    ovrlndkull

    ovrlndkull STUKASFK - HC4LIFE

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    Yep I've been researching them a lot. Eaton makes an electronic locker as well though not sure if they have one for yota and not sure the system they use. My only experience with lockers until now has been the mechanical type.
     
  13. Aug 15, 2018 at 10:24 AM
    #93
    hx989

    hx989 Superunknown Member

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    Eaton makes or at least designed the "Harrop" locker. Harrop is just the distributor. I love mine. Turns the rear into a spool at the click of a button. No air lines and compressors required.

    But I would have gone with the whole TRD axle to get the 8.8" size advantage, and regeared the front to 4.30 if I could have found one.
     
  14. Aug 25, 2018 at 6:32 PM
    #94
    EatSleepTacos

    EatSleepTacos [OP] Well-Known Member

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    Went wheeling today. Holy shit this locker is amazing. I've only ever wheeled with open diffs and it was a night and day difference. I was doing stuff I could have never done before. 0:20 in is where the flexy hill starts. Watch to the end of that clip because I get some nice wheel lift going.

    https://www.youtube.com/watch?v=zTjgcMUZc3c
     
  15. Sep 5, 2018 at 6:26 PM
    #95
    EatSleepTacos

    EatSleepTacos [OP] Well-Known Member

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  16. Sep 5, 2018 at 6:52 PM
    #96
    ovrlndkull

    ovrlndkull STUKASFK - HC4LIFE

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    Mine will do that too. I think it is where the shackle is rotating right where it is at horizontal and is more exemplified because of the shock being the limiting factor.
     
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  17. Sep 5, 2018 at 6:52 PM
    #97
    toysrgood

    toysrgood MiniTaco

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    Very nice!!
     
  18. Sep 5, 2018 at 6:53 PM
    #98
    EatSleepTacos

    EatSleepTacos [OP] Well-Known Member

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    Yeah I'm not too worried about it. I'll just look and make sure nothing appears to be getting damaged and call it good. I hear noises all the time while articulating, and at least now I know what one is!
     
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  19. Sep 5, 2018 at 7:04 PM
    #99
    MattCowsmasher

    MattCowsmasher ( -_・)ᡕᠵ᠊ᡃ່࡚ࠢ࠘⸝່ࠡࠣ᠊߯᠆ࠣ࠘ᡁࠣ࠘᠊᠊ࠢ࠘

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    Serious flex there your truck is an animal. Great vid:thumbsup:
     
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  20. Sep 5, 2018 at 7:06 PM
    #100
    ovrlndkull

    ovrlndkull STUKASFK - HC4LIFE

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    The way it popped back into place so to speak reminds me of my hips after I sit indian style for too long.
     

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