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An idea i tried out today!

Discussion in '2nd Gen. Tacomas (2005-2015)' started by myname150, Feb 2, 2011.

  1. Feb 2, 2011 at 1:10 PM
    #1
    myname150

    myname150 [OP] Well-Known Member

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    So on the way to school, i saw a patch of ice on the road. I decided to try out one of my ideas at a low speed. (Don't worry, it was on a back road, and no one was on the road at the time) Excuse my crude drawings in GIMP :).

    I have a 08 PreRunner, so no Diff Lock, and no ALSD.

    1.) I noticed that if i drive like i normally would, my rear passenger side tire would just spin. I was still able to move, but very slowly. Like in the picture below, the blue bits is the ice.
    [​IMG]

    2.) So, the idea i had thought of a long time ago, i finally could test. I turned around and went back over the ice. This time though, i had the parking brake on, just enough to grab so the truck can very slowly move forward with out pushing the gas. As i started to put my foot down on the pedal, when i hit the small patch of ice, the wheel still spun a little bit, but i was able to get through alot smoother, with much less spin.
    [​IMG]

    From this i concluded that having the parking brake on just slightly, could simulate a locked diff, or limited slip. Imo, the only downside to doing this is that it could damage the rear drums, but i am not sure of that.

    I'd like yalls input!
     
  2. Feb 2, 2011 at 1:17 PM
    #2
    Pope953

    Pope953 That's a fact Jack!

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    hmmm....i dunno. depends on how long you drove with the break on...
     
  3. Feb 2, 2011 at 1:19 PM
    #3
    myname150

    myname150 [OP] Well-Known Member

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    It was a small patch, so less then 30 seconds.
     
  4. Feb 2, 2011 at 1:20 PM
    #4
    A7XTaco

    A7XTaco Member

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    I tried that without much luck one time when I had the rear wheel almost off the ground, but that trying to climb.

    I could see how that might work on ice though. Its basically simulating auto-lsd. You are helping transfer some power to the wheel that has traction.

    I wouldn't think it would really hurt anything seeing as thats exactly what the 09+ with auto-lsd do, they hit the brakes on each wheel individually.

    I do see it causing wear on the pads quicker though, which is what I don't like about auto-lsd.
     
  5. Feb 2, 2011 at 1:24 PM
    #5
    113tac

    113tac Well-Known Member

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    i think that is along the lines of atrac, except atrac is a little more complex than the parking brake haha
     
  6. Feb 2, 2011 at 1:27 PM
    #6
    TacoNut

    TacoNut IgnoringChrisWatchingEdLi veVicariouslyThroughMJP2

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  7. Feb 2, 2011 at 1:31 PM
    #7
    G scott04

    G scott04 ...

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    Add another parking brake so you have one for each
    wheel!! :spy:
     
  8. Feb 2, 2011 at 2:33 PM
    #8
    JKD

    JKD Well-Known Member

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    Yep, old school trick. You re-discovered it!
     
  9. Feb 2, 2011 at 2:57 PM
    #9
    DDD

    DDD Shine bright like a hymen

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    Ya the "Poor Mans Locker" on the Tacoma usually works best using 2 clicks on the e brake pedal.
     
  10. Feb 2, 2011 at 3:03 PM
    #10
    ttylerr

    ttylerr Well-Known Member

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    ive used this method before on trails, works well enough
     
  11. Feb 2, 2011 at 6:45 PM
    #11
    SmokeEater

    SmokeEater Member

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    I never had much luck using the poor mans locker... guess I have a heavy food! Good one to remember, though!

    btw - tell your kids, nice job on the pictures!! :D
     
  12. Feb 2, 2011 at 6:52 PM
    #12
    HomeGrown

    HomeGrown Well-Known Member

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    myname150, my guess is that in Houston you don't run across many ice patches very often. ;)
     
  13. Feb 2, 2011 at 6:59 PM
    #13
    Brunes

    Brunes abides.

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    This. I've been doing this for years- Not to try and get across ice...but offroad pretty regularly.
     
  14. Feb 2, 2011 at 7:08 PM
    #14
    colinb17

    colinb17 If at first you don't succeed, don't try skydiving

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    yeah, it's an old trick, but can work well depending on conditions.

    here's a video someone took of my at out off road meet two weeks ago. I have the factory limmited slip. specifically from 50 seconds to 1 minute in the video, you'll see my rear tire spinn and stop. that was me working the break. each time, the truck moves a little bit until it actually makes it....so it does indeed get the job done...sometimes
    http://www.youtube.com/watch?v=A2EhLK0w7_0
     
  15. Feb 2, 2011 at 7:12 PM
    #15
    tsab916

    tsab916 Well-Known Member

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    Learned something new today...thanks op for posting this up...might be a old trick but still new to some people
     
  16. Feb 2, 2011 at 7:27 PM
    #16
    brian

    brian Another Traitor

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    colin, you need some tires man!!!!

    +1 though, I sometimes use it when I have a wheel off the ground to help the posi out.
     
  17. Feb 2, 2011 at 7:29 PM
    #17
    Monkeysuncle

    Monkeysuncle My Cat's breath Smells like Cat Food

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  18. Feb 2, 2011 at 7:29 PM
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    myname150

    myname150 [OP] Well-Known Member

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    haha nooo, i've only been driving since i was 15 (hitting 18 next month woo! :D) not once have i ever encountered ice on the road.

    Yeah, yall i tried this a while back with no success when i got stuck, but then again i probably was doing it wrong haha. It seems like this trick works sometimes...
     
  19. Feb 2, 2011 at 7:30 PM
    #19
    myname150

    myname150 [OP] Well-Known Member

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    No problem! lol, it was semi-new to me. Tried it a while back, didnt work. Tried it today, pretty aweeesome!
     
  20. Feb 2, 2011 at 7:31 PM
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    colinb17

    colinb17 If at first you don't succeed, don't try skydiving

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    they actually dig nicely 265/70/17 terra grapplers with 10/32 tread depth currently. i was the only one to make it up that section. i didn't have any traction problems the entire trip.

    however, my next tires will more than likely be a 285.
     
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