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How much pedal movement with hydro clutch?

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by Burt4x4, Jun 7, 2004.

  1. Burt4x4

    Burt4x4 3/4 ton status

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    California (Modesto area)
    To all that have Hydro clutch.
    When you push on the clutch pedal with your foot how far does the pedal move? I mean does yours go all the way to the floor like the manual linkage did or does it stop half way to the floor? Or what?
    Thanks
    /forums/images/graemlins/peace.gif /forums/images/graemlins/peace.gif
     
  2. Yukon Jack

    Yukon Jack 1/2 ton status

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    When I put mine in I previously marked how far the hydroboost rod moved when it was in the donor vehicle and I duplicated that. Seems like it was about 1 1/2" of rod movement but I'm afraid I don't recall exactly how much pedal swing that took. Seems like it moved about the same as the factory pedal - I should have taken a pic of the movement before I disassembled it all for the body shop.
     
  3. Yukon Jack

    Yukon Jack 1/2 ton status

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    I'm gonna e-mail you a close up showing you how much the booster rod is supposed to move.
     
  4. arq

    arq 1/2 ton status

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    Burt, you can plan for that travel and how soft your push will be. you'll have to use some geometry, tiangles.

    ignore the '.'s

    \
    ..\
    ....\
    <->+ msthydcyl (2.5 inch of travel)
    .......\
    ........\
    .........\
    .<-->..# ft peg

    you may have to install the clutch pedal.
    Your mstrhydcyl rod has a travel of about 2.5 inches.
    start by picking a point on the pedal where you will bolt up your mastrcyl rod. have a pencil and ruler handy.

    push the ft peg all the way down and look for the 2.5" up the pedal itself.

    the lower the mstrhydcyl(+) is to the foot peg(#) the longer the travel of rod. go up the pedal towards the pivot point(0) for shorter travel.

    hope it helps,

    ARQ.
     
  5. Burt4x4

    Burt4x4 3/4 ton status

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    Cool thanks fellas
    The hole I just driled seams to be a bit to high. I'm getting some binding/ruff movement. Looking closer at the shaft it self, I can see it is rubbing on the top part of the housing/pilot hole/shaft hole.
    Now I'm thinking I should raise the mastercylinders mounting instead of lowering the pedal mounting hole??
    Do you all understand what I'm thinking?
    if so witch one would you move?
    From what Arq is saying seams like it would be better to keep the pedal side of th shaft a bit high? Unless I am being a dummy...very possiable ahahahaa
    late
     

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