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upgrading rear diif

Discussion in 'Performance and Tuning' started by poppajm, Sep 24, 2011.

  1. Sep 24, 2011 at 1:36 PM
    #1
    poppajm

    poppajm [OP] New Member

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    Thinking of Detroit Truetrac for '11 Sport single trac rear. Has anyone got any feedback on diff upgrades for traction. Should have at least gone with factory limited slip, too late now.
     
  2. Sep 24, 2011 at 1:46 PM
    #2
    krimson

    krimson Nothin

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    Is this the video you are talking about? because I was thinking of the same thing.

    http://www.youtube.com/watch?v=xdND6o9Vsqo
     
  3. Sep 24, 2011 at 1:50 PM
    #3
    poppajm

    poppajm [OP] New Member

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    didn't see a arb listed for my 8" ring gear . did see eaton detroit truetrac listing. had detroit locker on my '85 s10 blazer and hardly had to put it 4wd for most situations. but, it was a full locker and when it locked you felt it.
     
  4. Sep 24, 2011 at 2:02 PM
    #4
    whippersnapper02

    whippersnapper02 Well-Known Member

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    The sport uses a 8.4" diff. The ring gear is only 8 inches. People call it the 8.4 because of the larger carrier bearings. Parts for the normal or locking 8" diff will not work for the "8.4"
     
  5. Oct 11, 2011 at 8:25 PM
    #5
    revhappyleon

    revhappyleon Well-Known Member

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    Hang on I thought the new sports didn't have a mechanical lsd available anymore instead using the much approved auto lsd
     
  6. Oct 11, 2011 at 8:27 PM
    #6
    whippersnapper02

    whippersnapper02 Well-Known Member

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    That is correct. 08 was the last year for real LSD.
     
  7. Oct 11, 2011 at 8:32 PM
    #7
    bjmoose

    bjmoose Bullwinkle J. Moose

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    So, before you blow bucks on a new diff, at least try using the Auto LSD button function, for snow or stomping the gas while cornering on somewhat slippery surfaces.

    For off roading, go full locker.
     
  8. Dec 20, 2011 at 7:14 PM
    #8
    Dcd5907

    Dcd5907 Well-Known Member

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    I don't know about anyone else, but the auto LSD is a joke. It's just traction control. If one tire starts to spin the it seams like the brakes slow it down. I mean it's got to be cause over all it's jus a std open diff in the rear. I wish I could swap the 3rd member from my supra into my '11 taco, that diff acts like a spool lol. Im as we'll thinking about going with the Detroit locker.

    Sry bout the rambelling.
     
  9. Dec 21, 2011 at 7:53 AM
    #9
    STLTaco09

    STLTaco09 Well-Known Member

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    5100's all around, fronts at 1.75". TSB leaf pack + Toytec TSB AAL

    Not necessarily disagreeing, but make sure you have traction control off, and auto-lsd on. And in my experience (on a hill, testing it out), having Auto-LSD on required a bit of the skinny pedal to get any positive results. It did get me up the hill though, although very slowly.
     
  10. Dec 21, 2011 at 8:10 AM
    #10
    whippersnapper02

    whippersnapper02 Well-Known Member

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    Ummmm well yeah it works with the brakes and its job is to slow down the tires without traction so the power goes to the tire with traction. The system works great. It got me unstuck when 4wd wouldn't engage.
     
  11. Dec 22, 2011 at 7:21 PM
    #11
    Dcd5907

    Dcd5907 Well-Known Member

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    I'll give It a try this weekend. Lastnight in the rain no matter what one tire would spin. Going straight, or cornering, hard throttle or being easy on it. And yes trac was off auto lsd was on. Obviously a LSD ain't a locker nor a spool but from what I seen and expearenced so far, I'm not Impressed.
     
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