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Thread: SR86 brake problems

  1. 7th October 2009, 12:01 PM #1
    adam_loves_hachi_roku
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    Default SR86 brake problems

    hey i need some more help guys.

    again with my SR20DET ADM 86 with t28bb...

    brake problems this time...running SR turbo front brakes but feels really spongy and have to push hard to work well...

    does anyone know if you can use the SR master cylender and/or booster? does anyone know a bolt on or alternate bigger/better brake master cylinder? or something that needs little mods to make the brake better?

    any other suggestions welcome...

    fuel problems in link below if anyone can help with that?

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  2. 7th October 2009, 02:33 PM #2
    Skylar
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    Default

    dude, look/search around the forum more.

    Nissan brake masters bolt straight on.

    Go get a BM38 off a Silvia or whatever.
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  3. 7th October 2009, 09:13 PM #3
    fantapants
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    Default

    are you using the later 4 piston brakes, or the earlier single piston?

    the single piston needs no upgrade, if the brakes are spongy its air in the system or another problem.

    If the 4 piston brakes are being used, then a master upgrade is a good idea.
    RIP Carly - a smile to light the world.
    06/07/2011
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  4. 7th October 2009, 10:15 PM #4
    adam_loves_hachi_roku
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    Default

    ok guys thanks heaps, you 2 are good help...
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  5. 7th October 2009, 10:18 PM #5
    slideways
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    Default

    r32 gtst brake master non -abs fits with almost no mods. Its a bigger cylinder and will makes the brakes feel stronger.
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  6. 7th October 2009, 10:20 PM #6
    fantapants
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    only if you run he 4 psiton brakes... otherwise your brakes will be shit
    RIP Carly - a smile to light the world.
    06/07/2011
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  7. 7th October 2009, 10:24 PM #7
    adam_loves_hachi_roku
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    Default

    not sure whether its single piston or 4 piston im pretty novice and didnt do any of the wor on my car but i will find out...

    any idea on cost of SR 4 piston brakes? and how hard it is to swap them over?

    thanks
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  8. 8th October 2009, 07:39 PM #8
    FAST EDDIE
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    Default

    std 86 master should run s13 brakes fine, mine does, sounds like air in line
    AE86 THE BEST
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  9. 8th October 2009, 08:24 PM #9
    adam_loves_hachi_roku
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    Default

    must be air in the lines or something cos its running the standard single piston...but the guys said the bled the brakes twice
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  10. 8th October 2009, 09:34 PM #10
    Hen may possibly be a nut
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    Default

    As said, you don't need to change the master for those brakes. You either need to bleed them yet again, or possibly they are installed so the bleed nipple is at the bottom, and they will never bleed properly. There you need to switch the calipers from left to right and vie versa, so the bleed nipple is up.

    Also, using an R32 master with stock AE86 brakes works fine (though is somewhat pointless), I did it for a while.

    Hen
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