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Thread: Noddles Front Brake Upgrade

  1. #1
    Registered User Noddle's Avatar
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    Default Noddles Front Brake Upgrade

    Hi,

    I've been wanting to do this for ages , I special ordered these blank rotors from DBA and they have been sitting in my spare room for a few years now.

    and now I have some time, the weathers getting nice ( no shed to work in though ), and I found a small engineering firm,

    the spacers between the hub and rotors, the enlargement of the center hole for the rotor, and the caliper spacers, all came to $50, not to bad I thought.

    Nigel
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    Datsun 240K
    Turboed L24, Megasquirt II, EDIS

    Current project

  2. #2
    Registered User Noddle's Avatar
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    Default

    I did a little more last night,

    made my first flare ( brake line flare ), what a mess that was, so off to youtube to see how it was done,

    now I'm a expert.
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  3. #3
    Registered User Noddle's Avatar
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    Hi,

    Another beautiful day, so good weather to finish my brake upgrade.

    Originally I left the 3/4 Master cylinder on, Brake worked fine, soft pedal, but a lot of travel, probably 3/4 way to the floor,

    So I went to put a 7/8 master cylinder on, of course this would not fit the brake booster, the 4 bolts have a different spacing.

    So I compared this to my part part '73 four door, different brake booster ( my 4 door was a little larger than what's on the 2 door),

    So I swap this out from the 4 door, fitted the 7/8 master cylinder, brakes work really good, pedal still soft, but only travels about a inch or so,

    So, can someone tell me , which is the original brake booster for a '73 model, from these pictures ?

    Not sure if it matters, but the 4 door has the 250mm rotors, and the 2 door has the 270 mm rotors

    Nigel
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    Datsun 240K
    Turboed L24, Megasquirt II, EDIS

    Current project

  4. #4
    RB addict N1GTR's Avatar
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    Default

    Would it be different between 73 and 74? I have a 74 and can check when at the car next for you

  5. #5
    Registered User Noddle's Avatar
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    I don't know, but my other 2 (1977) have a larger brake booster again.

  6. #6
    ケンメリ 240k Style's Avatar
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    Found the thread Noddle thanks mate
    Adam

    1975 HGC110 "YONMERI" Datsun 240K GL Sedan
    1976 KHGC110 "KENMERI" Datsun 240K GL Coupe

    1978 MGC210 "Japan" Datsun 240K sedan (sold)

    http://japanesenostalgiccar.com/foru...hp?f=7&t=24596



    Contact Jason at info@jdmfactory.com.au for all your YJ / JDM needs !!

  7. #7
    Nova Scotia,Canada,Earth Blue's Avatar
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    Default

    Theory of combos for S30 but it matches Nigel's empirical observations above:

    http://www.classiczcars.com/forums/w...o-changes.html
    There is scarcely anything in the world that some man cannot make a little worse, and sell a little more cheaply.
    The person who buys on price alone is this man's lawful prey.


    John Ruskin (1819 - 1900)



    ZCars in Eastern Canada seaport ready for shipment to Europe

    http://ZSportCanada.com


  8. #8
    Registered User Torker Man's Avatar
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    Hi Noodle, what calipers are they, and what RDA discs are they, if you dont mind me asking?

    Adam

  9. #9
    Registered User Noddle's Avatar
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    Quote Originally Posted by Torker Man View Post
    Hi Noodle, what calipers are they, and what RDA discs are they, if you dont mind me asking?
    Adam
    Sorry for the later reply,
    Calipers are Toyota S13WB ( 4 runner from memory, each caliper had, 4 x 45mm pistons )
    Rotors, were special order DBA425USL & DBA425USR ( they did not have the stud holes drilled / blank )

    Nigel
    Datsun 240K
    Turboed L24, Megasquirt II, EDIS

    Current project

  10. #10
    Registered User Noddle's Avatar
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    Quote Originally Posted by Noddle View Post
    Sorry for the later reply,
    Calipers are Toyota S13WB ( 4 runner from memory, each caliper had, 4 x 45mm pistons )
    Rotors, were special order DBA425USL & DBA425USR ( they did not have the stud holes drilled / blank )

    Nigel
    They are actually from a '91 Toyota Surf, ( found my ebay bid )
    Datsun 240K
    Turboed L24, Megasquirt II, EDIS

    Current project

  11. #11
    ケンメリ 240k Style's Avatar
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    Adam

    1975 HGC110 "YONMERI" Datsun 240K GL Sedan
    1976 KHGC110 "KENMERI" Datsun 240K GL Coupe

    1978 MGC210 "Japan" Datsun 240K sedan (sold)

    http://japanesenostalgiccar.com/foru...hp?f=7&t=24596



    Contact Jason at info@jdmfactory.com.au for all your YJ / JDM needs !!

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