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Thread: AE 86 brake upgrade question....

  1. #1
    Junior Member dsordello's Avatar
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    Post AE 86 brake upgrade question....


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    I have done the RX 7 FC brake conversion on the front of my 86 and wanted to get rid of that sponginess in the pedal. I heard the R32 non ABS master brake cylinder bolts straight on and fixes all issues is this true? and if so does anyone have one they're willing to sell?
    Last edited by dsordello; 10th December 2012 at 01:06 AM.

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    Senior Member Hen may possibly be a nut's Avatar
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    Sponginess could be a bunch of things. But yes, non-ABS R32 (it may also have to be turbo) master fits and gives you a bigger bore. BM44 rings a bell for the part number, but it's been a few years so you best Google it and check.

    Also check what you should do with your bias valve given your rear brakes so your front-rear balance is good.

    As for finding them, check skylines australia for people wrecking cars, or specialist wreckers.

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    Elite rthy's Avatar
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    Bought one from an import wrecker for $80 when i did the fc brake upgrade
    BM50 i think it was
    need to bend the brake likes to make it fit
    30kw club

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    Veteran Rice86's Avatar
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    yup should be BM50

    i always forget if its 3 hole or 2 hole.. 2 holes for fronts and 1 for rear.. ABS is 2 holes i think

    i never got my BM50 to work, though at the time nothing was really working to start off with *brake system that is*
    dose

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    Junior Member dsordello's Avatar
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    cheers all! So whats the differance between the BM-44 and BM-50?

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    Elite rthy's Avatar
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    BM50 1"


    BM44 15/16

    or something
    30kw club

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