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Brake Porportioning

Discussion in '1st Gen. Tacomas (1995-2004)' started by tacoman101, Nov 7, 2009.

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  1. Nov 7, 2009 at 6:56 PM
    #1
    tacoman101

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    tacoman101 [OP] Well-Known Member

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    I installed a 2.5 inch lift a little while back and my kit didn't come with a brake proportioning kit (or something like that), what is this and why does it matter. My truck seems to stop fine without it, is it really needed
     
    tacoman101, Nov 7, 2009
    #1
  2. Nov 7, 2009 at 7:12 PM
    #2
    mjp2

    #2
    mjp2 Living vicariously though myself Moderator

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    A brake proportioning valve has nothing to do with lifting your truck. If you swap master cylinders, convert to rear disc brakes, go with larger calipers, etc., and you find that the rear brakes tend to lock up before the front brakes, a proportioning valve would help restrict the amount of fluid and pressure being sent to the rear brakes related to the front brakes.

    Sounds like you only lifted the truck and didn't mess with the brake system so you're fine.
     
    mjp2, Nov 7, 2009
    #2
  3. Nov 7, 2009 at 7:14 PM
    #3
    chris4x4

    #3
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    4.10 gears, sliders, and lots of buttons.

    His first gen has a load sensing valve on the rear brake. Also called a Brake Proportioning Valve.

    OP....How much lift did you put in the rear?
     
    chris4x4, Nov 7, 2009
    #3
  4. Nov 7, 2009 at 7:16 PM
    #4
    chris4x4

    #4
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    4.10 gears, sliders, and lots of buttons.
    By "rear brake"....I mean near the pumkin.....
     
    chris4x4, Nov 7, 2009
    #4
  5. Nov 7, 2009 at 7:18 PM
    #5
    chris4x4

    #5
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    You can get a new one to accomodate the lift you have here.


    FYI...This is what he needs:

    [​IMG]
     
    chris4x4, Nov 7, 2009
    #5
  6. Nov 7, 2009 at 7:27 PM
    #6
    mjp2

    #6
    mjp2 Living vicariously though myself Moderator

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    I hate it when I learn something on a weekend! :mad:

    Ignore my last post. :eek:
     
    mjp2, Nov 7, 2009
    #6
  7. Nov 7, 2009 at 7:28 PM
    #7
    chris4x4

    #7
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    :eek:
     
    chris4x4, Nov 7, 2009
    #7
  8. Nov 7, 2009 at 7:33 PM
    #8
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Installed like this:

    [​IMG]

    [​IMG]
     
    chris4x4, Nov 7, 2009
    #8
  9. Nov 8, 2009 at 3:39 AM
    #9
    ChrisYoTaCoMa

    #9
    ChrisYoTaCoMa Chrome's for Harleys and old farts

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    Chris, should I have put that in mine after adding my Skyjacker AAL's 2.5" lift???
     
    ChrisYoTaCoMa, Nov 8, 2009
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  10. Nov 8, 2009 at 3:54 AM
    #10
    Janster

    #10
    Janster Old & Forgetful

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    You got a drill & hacksaw?

    Find some scrap alluminum or steal and make your own.

    When I owned my 96 tacoma, I used to make these things and sell them.
     
    Janster, Nov 8, 2009
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  11. Nov 8, 2009 at 5:17 AM
    #11
    tacoman101

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    tacoman101 [OP] Well-Known Member

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    its like 1.5" in the rear
     
    tacoman101, Nov 8, 2009
    #11
  12. Nov 8, 2009 at 6:39 AM
    #12
    chris4x4

    #12
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Yes.
    I think I remember that....Back in teh good 'ol Delphi Days. :)

    Yeah, you should install one.
     
    chris4x4, Nov 8, 2009
    #12
  13. Nov 8, 2009 at 6:42 AM
    #13
    tacoman101

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    tacoman101 [OP] Well-Known Member

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    will it hurt anything if i don't
     
    tacoman101, Nov 8, 2009
    #13
  14. Nov 8, 2009 at 6:54 AM
    #14
    chris4x4

    #14
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Your front brakes will wear faster, as the rear brakes are not getting the power they need to aid in stopping. The BPV is designed, so that when a load is placed in the truck (lowering the rear), more braking power is given to the rear to aid stopping. WHen lifting, more power is taken away from the rear brakes. You need the bracket to get the braking back to normal distribution.
     
    chris4x4, Nov 8, 2009
    #14
  15. Nov 8, 2009 at 7:31 AM
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    STLharry

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    small hijack of the thread but is it bad to now have one...
     
    STLharry, Nov 8, 2009
    #15
  16. Nov 8, 2009 at 9:46 AM
    #16
    chris4x4

    #16
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    If your lifted, its a good thing to have.
     
    chris4x4, Nov 8, 2009
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  17. Nov 8, 2009 at 9:57 AM
    #17
    Beefed Taco

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    Beefed Taco Taco Vending Machine

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    streetacos.com parts!
    Without one, as your truck goes up, your rear brakes work less when applied. $19.95 includes metric hardware & USPS priority shipping. :thumbsup:

    BPV V 00003.jpg
    bb.jpg
     
    Beefed Taco, Nov 8, 2009
    #17
  18. Nov 8, 2009 at 9:58 AM
    #18
    chris4x4

    #18
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Looks like a nice one, but the Toytec offering is $9.99.....Not as nice though.
     
    chris4x4, Nov 8, 2009
    #18
  19. Nov 8, 2009 at 1:53 PM
    #19
    tacoman101

    #19
    tacoman101 [OP] Well-Known Member

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    alrighty thanks guys i'll order one tonight
     
    tacoman101, Nov 8, 2009
    #19
  20. Nov 8, 2009 at 2:12 PM
    #20
    Beefed Taco

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    Beefed Taco Taco Vending Machine

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    I know, but they're closed today. :) plus that's my adjustable one w/multiple holes, $10.99 + shipping gets you this one....theirs looks pretty thin too, mine's Beefed with metric hardware so you only have to take 1 socket & 1 wrench under there.

    BPV 00001.jpg
     
    Beefed Taco, Nov 8, 2009
    #20
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