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Thread: Need bigger brake master cylinder on KE70

  1. #1
    Junior Member Grease Monkey crostek's Avatar
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    Default Need bigger brake master cylinder on KE70

    I have tried to search this with little luck.
    I am up grading brakes on my KE70,
    I will be fitting Hilux 4 pot calipers to the front and a ST141 corona Disc brake Diff.
    And i will need to fit a bigger (1") size master cylinder
    What will fit in replacement of the standard one (ie bolt-in)?
    And is there any balance / proportioning / biasing valve ether adjustable or not that will suit this set-up?
    Thanks

  2. #2
    Junior Member Grease Monkey RPM016T's Avatar
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    Default Re: Need bigger brake master cylinder on KE70

    I know R32 skyline fit KE30's... and im assuming KE30 uses the same booster as KE70 so give that a go.

    Nath.
    gt28714AGEKE15OM17SGoodi.

  3. #3
    what? Automotive Encyclopaedia EVOSTi's Avatar
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    Default Re: Need bigger brake master cylinder on KE70

    why do you NEED 1in? i have this brake setup and am using a 15/16th master cylinder and the pedal is very firm. mine is a mitsubishi starion mc and it bolts straight on, the rear pipe bolts on also all you need to do is make a new front section of brake line, takes all of 5 minutes.
    also i got some brand new proportioning valves for sale, PM if interested.

  4. #4
    Junior Member Grease Monkey Jonny Rochester's Avatar
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    Default Re: Need bigger brake master cylinder on KE70

    The HiLux you got the brakes off has a 15/16" MC so you would assume that would be the perfect size. 1" would work well too. I actualy have the HuLux brakes with the standard 13/16" MC on one of my cars and its ok. I admit that a 15/16" or 7/8" would be better.

    If you are going to disk rear, take the guts out of the brake proportioning valve, and put the big bolt back in there. See how that goes, and if the rears are locking up, you will need a adjustable valve for the back, get one from your local race/rally workshop.

    Go to the wreckers and check out a number of HiLux and Landcruiser and other toyotas. Lots have the same bolt pattern to fit, but just check to see the brake fitting/lines won't hit your strut tower.

  5. #5
    MR 18RG Chief Engine Builder The Witzl's Avatar
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    Default Re: Need bigger brake master cylinder on KE70

    ST205 master cylinder works VERY VERY well.... 15/16"
    ...... butt scratcher?!


  6. #6
    Gobble, Gobble! Automotive Encyclopaedia mrshin's Avatar
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    Default Re: Need bigger brake master cylinder on KE70

    I'm using a Landcruiser cylinder, 1", works quite well and bolts up to the stocky boosters. I think the one you want is off of early 80s series.

  7. #7
    Junior Member Grease Monkey crostek's Avatar
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    Smile Re: Need bigger brake master cylinder on KE70

    Thank you every one for your help
    I think I will take a trip to a 4X4 wrecker.
    Does any one have a pic of there setup??

  8. #8
    what? Automotive Encyclopaedia EVOSTi's Avatar
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    Default Re: Need bigger brake master cylinder on KE70

    this is my setup, starion MC.


  9. #9
    Crazy Chief Engine Builder 1JZ-Rolla's Avatar
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    Default Re: Need bigger brake master cylinder on KE70

    Late model camry is an option too, and cheap

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