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Hot Rods Remote reservoir master cylinder advice

Discussion in 'The Hokey Ass Message Board' started by Rice n Beans Garage, Aug 15, 2014.

  1. Rice n Beans Garage
    Joined: Dec 17, 2006
    Posts: 1,552

    Rice n Beans Garage
    Member

    Looking for advice on this situation:

    My 34 has a toe board mounted master cylinder, due to the severe channel this is how it was built in the late 50's.

    I recently fabed up a new toes board and installed a Wilwood master with remote reservoir, that one had a bad seat and leaked at the brake line fitting, it was replaced by Summit, I installed the new one and bleed the system. My car has been sitting for 2 months, today I was working on it and noticed that the master is leaking from the piston at the push rod, I haven't even driven it with the new set up. I want to get another brand of master any suggestions ?

    Thanks in Advance,

    Scott
     
  2. Rice n Beans Garage
    Joined: Dec 17, 2006
    Posts: 1,552

    Rice n Beans Garage
    Member

  3. Rice n Beans Garage
    Joined: Dec 17, 2006
    Posts: 1,552

    Rice n Beans Garage
    Member

  4. junk yard kid
    Joined: Nov 11, 2007
    Posts: 2,719

    junk yard kid
    Member

    Maybe check out "Jamar".
     

  5. Rice n Beans Garage
    Joined: Dec 17, 2006
    Posts: 1,552

    Rice n Beans Garage
    Member

  6. I had one of the remote fill master cylinders from ABS. It started to leak after about a year of use. It did sit in the car empty for a couple years but it didn't last long after I started driving the car.. The fittings for the fluid lines are held in by rubber fittings, nothing else, and that is what started to leak. I replaced it with a GM style unit with a remote fill lid from CPP (#RRCK). So far so good. If you go that way you need to use the clamps that come with the new lid they fit SUPER tight and are a real pain to get on but without them the lid will leak.
     
  7. Kiwi 4d
    Joined: Sep 16, 2006
    Posts: 3,095

    Kiwi 4d
    ALLIANCE MEMBER

    We have used a remote fill from a Mitsubishi van, 15/16 bore great little units. I imagine there are similar units available in the US. These fill on the edge of the dash by. The door.
     
  8. Mike VV
    Joined: Sep 28, 2010
    Posts: 2,390

    Mike VV
    Member
    from SoCal

    Call Wilwood.
    I've had very good luck with their dual remote cylinder, under the floor.
    I just bought another for my soon to be daily driver, also will be mounted under the floor.

    I made a "Y" pipe out of 3/8" steel brake line and run a single reservour to the dual cylinder. Been three+ years with no problems.

    Mike
     
  9. V8 Bob
    Joined: Feb 6, 2007
    Posts: 2,757

    V8 Bob
    ALLIANCE MEMBER


    Kinda defeats the advantage and purpose of a dual master cylinder. :( You really should keep the fluid reservoirs separate. :)
     
  10. jbrittonjr
    Joined: Sep 10, 2009
    Posts: 105

    jbrittonjr
    Member

    Many years ago I used to use Volkswagen dual cylinder master cylinders from the 1968-1974 beetles for doodlebugs and other off topic vehicles.
    The master cylinders were mounted low near the pedals but used a remote reservoir mounted under the front hood. The master cylinder had plastic fittings on the supply side that were connected to steel lines with a braided rubber hose. The VW dealer had the braided hose that wouldn't swell due to brake fluid.
     
  11. Mike VV
    Joined: Sep 28, 2010
    Posts: 2,390

    Mike VV
    Member
    from SoCal

    V8 Bob -

    Why would you say that ?
    I "doesn't defete" the purpose at all..! I have exactly what I need, a dual master cylinder...! One section of the "cylinder" to the front and one section to the rear. Who cares where the fluid supply comes from, one or five reservoirs..?

    Mike
     
  12. greybeard360
    Joined: Feb 28, 2008
    Posts: 1,743

    greybeard360
    Member

    The reason for a separate reservoir is if you have a leak at one end of the system, it will leak out but the other part of the system will still have fluid..... basically the reason for having a dual system in the first place....
     
    Hitchhiker likes this.
  13. if you can get the lid off m/c just use a syringe for injecting food with hose attached. remote mirror to check level. honestly how often do they get checked?
     
  14. Mike VV
    Joined: Sep 28, 2010
    Posts: 2,390

    Mike VV
    Member
    from SoCal

    You guys are funny.
    I fix leaks in my vehicles...!
    Hell, even factory cars have single fluid holders on double piston cylinders...!

    Mike
     
  15. V8 Bob
    Joined: Feb 6, 2007
    Posts: 2,757

    V8 Bob
    ALLIANCE MEMBER

    Modern master cylinder fluid reservoirs are divided or chambered internally below the fill plenum, although sometimes not as obvious as the older '60s-'80s masters.
     
  16. okiedokie
    Joined: Jul 5, 2005
    Posts: 4,301

    okiedokie
    ALLIANCE MEMBER
    from Ok

    Do I understand correctly, it is not the remote fill pieces leaking but the cylinder itself? I had the very same problem myself. It sat for a couple of years as I finished car [yeah I'm slow] and I noticed it leaking at the front of the cylinder. Pulled it off and replaced it with another new one. Now I am driving the car at this point and the second one begins to leak the same. I was telling the story to a friend with a repair shop and he said the he has more problems with new mc's than rebuilds. He suggested trying a rebuild. So I replaced the $100 [#2] mc with a $30 rebuild. Been on there three years now with no leaks. Go figure.
     
  17. Rice n Beans Garage
    Joined: Dec 17, 2006
    Posts: 1,552

    Rice n Beans Garage
    Member

    Wow thanks for the great info
     

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