Page 1 of 7 1 2 3 4 5 6 7 LastLast
Results 1 to 10 of 61

Thread: AE86 proportional valves (brakes n shizno)

Hybrid View

Previous Post Previous Post   Next Post Next Post
  1. #1
    Elite rthy's Avatar
    Join Date
    Dec 2008
    Name
    Leo
    State
    VIC
    Location
    Tulla
    Country
    Australia
    Posts
    7,308

    Default AE86 proportional valves (for drum to disk rear end)

    Update: All of my assumption are incorrect. See Jonny's post on the 2nd page

    Due to the lack of proportional valve stock at toyota... whats the difference between the rear drums and disk proportional valves?
    besides the drums has a single piece proportional valve and disk two piece?
    is there a way to modify the drum propvavle to work with disks the same way as the disk propvavle?

    the reason why i ask is that the drum wheel cylinders require more liquid for the shoes to hit the drums... so when swaping over to a disk rear end the rear brakes force will be stronger than the front.

    i did look around on the internets but didnt find anything solid with modding to the drum pv to use on disks rear ends.


    edit: this is for drum to disk rear end, factory swap over
    Using the Factory ADM PV can you modify it to use disk rear end?
    not after adjustable/aftermarket pv as i would have got one along time ago.
    Last edited by rthy; 22nd February 2009 at 11:27 PM. Reason: upadte
    30kw club

  2. #2
    Veteran Vance's Avatar
    Join Date
    Dec 2008
    Name
    Dan/Rio
    State
    NSW
    Location
    Randwick
    Country
    Australia
    Posts
    5,155

    Default

    removing the spraings theory-

    it makes it easier to open the valves which makes the front brakes work earlier.

    i havent tested it personally


    Quote Originally Posted by ae86 View Post
    ive come to the conclusion dan has more STi's than a Subaru Dealership, yeah i went there

  3. #3
    Veteran LittleRedSpirit's Avatar
    Join Date
    Dec 2008
    Name
    Matt
    State
    QLD
    Location
    West
    Country
    Australia
    Posts
    1,988

    Default

    Just get the same proportioning valve as the diff came with. Failing that you could always use something like this in the rear line to the diff, after the factory proportioning valve:


    If all you need is to limit the flow, thats all you need.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	P1000490.JPG 
Views:	43 
Size:	20.2 KB 
ID:	1790  

  4. #4
    Senior Member n00bvak's Avatar
    Join Date
    Dec 2008
    Name
    Novak
    State
    WA
    Location
    SOR
    Country
    Australia
    Posts
    273

    Default

    ^^^ I have a willwood adjustable proportioning valve setup for my hydraulic handbrake, really easy to setup and way lighter than the stock one.

    And by far the best thing is you can setup whatever brake bias you want!!!

    Check my build tread link below for instal pics (its on the side of the hydraulic handbrake)
    --- All your base are belong to Phil Bradshaw!!! ---
    `
    <<< blog >>> build thread<<<

  5. #5
    Elite rthy's Avatar
    Join Date
    Dec 2008
    Name
    Leo
    State
    VIC
    Location
    Tulla
    Country
    Australia
    Posts
    7,308

    Default

    yea hard finding a factory disk pv, bought a rear pv from toyota but they no longer have stock for the front pv! so might have to buy second hand or other way.

    not looking at getting a flow limiter at this stage

    edit:
    also which spring is removed?
    30kw club

  6. #6
    Senior Member n00bvak's Avatar
    Join Date
    Dec 2008
    Name
    Novak
    State
    WA
    Location
    SOR
    Country
    Australia
    Posts
    273

    Default

    This seems like a lot of screwing around when an adjustable PV only costs $70 and bending a bit of bundy around a screwdriver.

    It does the same as all the stuff you are trying to workout here, its lighter and fully adjustable for those sick burnouts with the rear lines locked .


    Especially if you may get on in the future
    --- All your base are belong to Phil Bradshaw!!! ---
    `
    <<< blog >>> build thread<<<

  7. #7
    Senior Member
    Join Date
    Dec 2008
    Name
    Reeece
    State
    NSW
    Location
    Casula
    Country
    Australia
    Posts
    688

    Default

    ive got r32 bmc , hilux front brakes and r31 rear disc brakes.. I am just running the stock pv seems to be sweet ??

  8. #8
    Elite rthy's Avatar
    Join Date
    Dec 2008
    Name
    Leo
    State
    VIC
    Location
    Tulla
    Country
    Australia
    Posts
    7,308

    Default

    thats cos u got the bigger mc, im still using the factory MC, factory jdm front brakes, factory jdm disk rear end and factory adm drum PV. so once the brakes heat up the rears lock up pretty easy which only happend at winton.

    if i get paid tommorow ill buy some brake fuild and try removing that spring and see wat happens.
    30kw club

  9. #9
    Senior Member
    Join Date
    Dec 2008
    Name
    Reeece
    State
    NSW
    Location
    Casula
    Country
    Australia
    Posts
    688

    Default

    i see upgrade to r32 ?

  10. #10
    Elite rthy's Avatar
    Join Date
    Dec 2008
    Name
    Leo
    State
    VIC
    Location
    Tulla
    Country
    Australia
    Posts
    7,308

    Default

    with the stock brake? nahh

    altho i do plan on using a r32 bmc on my ae71 with rx7 brakes n stuff
    30kw club

Page 1 of 7 1 2 3 4 5 6 7 LastLast

Similar Threads

  1. Blocked brake proportional valve
    By BARWICK in forum Technical - Questions
    Replies: 2
    Last Post: 25th October 2011, 06:53 PM
  2. Telling the difference between ADM and JDM proportional valves
    By jamekins in forum Technical - Questions
    Replies: 5
    Last Post: 1st May 2010, 01:29 AM
  3. [vic]JDM proportional valve
    By rthy in forum Cars or Parts Wanted
    Replies: 2
    Last Post: 23rd February 2009, 08:00 PM
  4. WTB JDM Brake Proportional valves
    By rthy in forum Cars or Parts Wanted
    Replies: 0
    Last Post: 28th July 2008, 05:07 PM
  5. Jap AE86 Brake Proportional Valve
    By Mr Fujiwara in forum Technical - Questions
    Replies: 39
    Last Post: 28th February 2006, 02:49 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •