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Thread: WTB: short Master Cylinder piston rod for 68- and some other misc stuff

  1. #1
    Porsche Nut merbesfield's Avatar
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    WTB: short Master Cylinder piston rod for 68- and some other misc stuff

    Missing a few parts to finish my dual MC conversion on my 66.

    Needed:
    901.423.057.04 shorter MC piston rod (1)
    914.355.661.00 female to female brake line coupler (1)

    Also looking for:

    902.635.115.20 horn brackets with screws, nuts and washers (4) These are the S clamps that affix to the J tubes allowing the horns to be mounted to the car.
    Mark Erbesfield
    2018 911 Carrera T 7spd manual 😊
    1973 911S #9113301282
    1957 356A #58648
    1966 Toyota Land Cruiser FJ45LV
    1982 Toyota Land Cruiser FJ40
    1977 Toyota Land Cruiser FJ40
    1972 Toyota Land Cruiser FJ40 FST (Factory Soft Top)
    1971 Toyota Land Cruiser FJ40 “Patina Queen”
    1979 MB 450SL "Dad's old car"
    2019 Cayenne "Wife's car"

  2. #2
    Hi Mark, I realize this may sound obvious but I just cut the piston rod from my single circuit master cylinder.

  3. #3
    Porsche Nut merbesfield's Avatar
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    I did read that somewhere so that is definitely the easy way to go. Does anyone have the dimension? I am sure I can find it with a search on Google bc we all know the registry search does not work too well. Any help would be appreciated.
    Mark Erbesfield
    2018 911 Carrera T 7spd manual 😊
    1973 911S #9113301282
    1957 356A #58648
    1966 Toyota Land Cruiser FJ45LV
    1982 Toyota Land Cruiser FJ40
    1977 Toyota Land Cruiser FJ40
    1972 Toyota Land Cruiser FJ40 FST (Factory Soft Top)
    1971 Toyota Land Cruiser FJ40 “Patina Queen”
    1979 MB 450SL "Dad's old car"
    2019 Cayenne "Wife's car"

  4. #4
    Senior Member
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    Riverside CA 92505
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    Have have the shorter rods and correct part into which it threads. The difference in length is 18mm on the rods. If you shorten the threaded end you will not have much thread left. Have you switched the housing to the later type that has the bracket for the brake light switch ?
    I restore pedal sets and have complete finished sets if you are interested.
    20130907_092851.jpg

  5. #5
    Porsche Nut merbesfield's Avatar
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    Quote Originally Posted by bdstone914 View Post
    Have have the shorter rods and correct part into which it threads. The difference in length is 18mm on the rods. If you shorten the threaded end you will not have much thread left. Have you switched the housing to the later type that has the bracket for the brake light switch ?
    I restore pedal sets and have complete finished sets if you are interested.
    20130907_092851.jpg
    I am getting the short part vs making my own, but seems like you could just shorten the tip and grind a new point. Please explain the need for the brake light switch. Thanks, Mark
    Mark Erbesfield
    2018 911 Carrera T 7spd manual 😊
    1973 911S #9113301282
    1957 356A #58648
    1966 Toyota Land Cruiser FJ45LV
    1982 Toyota Land Cruiser FJ40
    1977 Toyota Land Cruiser FJ40
    1972 Toyota Land Cruiser FJ40 FST (Factory Soft Top)
    1971 Toyota Land Cruiser FJ40 “Patina Queen”
    1979 MB 450SL "Dad's old car"
    2019 Cayenne "Wife's car"

  6. #6
    Senior Member
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    Riverside CA 92505
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    Quote Originally Posted by merbesfield View Post
    I am getting the short part vs making my own, but seems like you could just shorten the tip and grind a new point. Please explain the need for the brake light switch. Thanks, Mark
    My understanding is the the single circuit master cylinders had the brake light switch on the master cylinder. The later dual circuit cylinders had the switch mounted on the housing. And the switch is different.
    Also note that the later rod has a washer that activate the brake switch.
    I wonder how ibmiked handled this ?20130907_182333.jpg

  7. #7
    When I converted my 67 to the dual circuit M/C I added a banjo connection to the line at the M/C and then I could continue to use the original pressure switch.
    Early S Registry member #90
    R Gruppe member #138
    Fort Worth Tx.

  8. #8
    I saw one of those the other day when I was looking for a master cylinder.

    I found the link. http://www.aasesales.com/products/us...der-piston-rod

  9. #9
    Porsche Nut merbesfield's Avatar
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    Quote Originally Posted by ret9191 View Post
    I saw one of those the other day when I was looking for a master cylinder.

    I found the link. http://www.aasesales.com/products/us...der-piston-rod
    Thank you very much. I believe I have located on. Thanks for everyone's help. Mark
    Mark Erbesfield
    2018 911 Carrera T 7spd manual 😊
    1973 911S #9113301282
    1957 356A #58648
    1966 Toyota Land Cruiser FJ45LV
    1982 Toyota Land Cruiser FJ40
    1977 Toyota Land Cruiser FJ40
    1972 Toyota Land Cruiser FJ40 FST (Factory Soft Top)
    1971 Toyota Land Cruiser FJ40 “Patina Queen”
    1979 MB 450SL "Dad's old car"
    2019 Cayenne "Wife's car"

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