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those with factory hydraulic clutch setup

Discussion in 'The Garage' started by RootBreaker, Jun 28, 2005.

  1. RootBreaker

    RootBreaker 3/4 ton status Premium Member

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    aight looking at my cab... seems that there are some preset holes that get tapped when a hydraulic clutch goes in.. .can anyone identify if one of these are them???

    PLEASE DONT SAY THE ONE WITH ALL THE WIRES!!!!!
    [​IMG]
     
  2. camiswelding

    camiswelding 1/2 ton status

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    Your pic isnt clear to me,,, can you see two small dimples.. about 1/16 on the firewall to the left of the fuseblock as you look from the front to rear.... thats where the bolts for the master goes....about 3-4 inches apart
    I have a hydro cab on blocks if you cant find them and Ill shoot some pics if you need them...
    Please IM me....

    somebody on the site has the actual chevy drawing showing it as well and actually made a template... sorry cant remember who

    cam
     
  3. big83chevy4x4

    big83chevy4x4 3/4 ton status

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    i made a drawing of the location holes for it.

    down and to the right of the hole with all the wires in it is a raised portion of the firewall, this is where the master cylinder goes. you can see a circle that is raised. i believe this is the hole for the main body of the cylinder. if your cab is 84 and older, it will not have the cutout for the mastercylinder, but the measurements i have work. mine is an 83 and have had no problem so far.

    here is the drawing of the location, you may have to remove the wiper motor to get accurate measurements as this is what i went off.

    measurements.JPG
     
  4. RootBreaker

    RootBreaker 3/4 ton status Premium Member

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    Thanks... yeah my cab is a 82
     
  5. NoSmog73

    NoSmog73 1/2 ton status

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    I copied it from a hydro truck but lost the template somewhere but this will help..I gave this to a club member just this last sunday..
    The Green one and red is taken off that Screw that is right by that wiring block..
    [​IMG]
     
  6. RootBreaker

    RootBreaker 3/4 ton status Premium Member

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    WOW SWEET
    Thanks
    Jeff
     
  7. RootBreaker

    RootBreaker 3/4 ton status Premium Member

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    Ok so got the parts off.. except for tranny and xfer case out...

    seems the hole I need is the one not punched out yet.... phew.... however on the parts truck the hole is oval shaped.. when I look at the clutch piece that goes through the hole it is just round.. so hopefully that just works.....

    anyhow.. also a q for ya all....
    I noticed a grease zert on the bell houseing... what is that for? what does it grease?

    this parts truck is getting me all kinds of parts...

    door hinge, battery, throttle cable, hydro clutch stuff, steering column, chrome shifter and shift knob that aint broke....
     
  8. CyberSniper

    CyberSniper 1/2 ton status Premium Member

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    The hole is oval shaped so the master cylinder will fit through (it's on an agle). I used a hole saw in my 87 then a die grinder.

    The zerk fitting is there to grease the ball the clutch fork pivots on.

    I wish I could find a truck that cheap that has so many usable parts.
     

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