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304 Carburator Spacers??

Discussion in 'Intermediate CJ-5/6/7/8' started by DanStew, Nov 4, 2020.

  1. Nov 4, 2020
    DanStew

    DanStew Preowned Merkin salesman Staff Member

    Lexington, South...
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    things.png
    So i am in the process of rebuilding the motorcraft 2100 on my 304. I pulled off these two spacers. The one n the right i know is the thick spacer/Gasket for the carb. But why what is the spacer for? Probably the main question is why is there a PCV port on it, when the 2100 has one already on it? I am going to probably ditch it, or is there an actual purpose for it?
     
    DanStew, Nov 4, 2020
    #1
  2. Nov 4, 2020
    zila

    zila I throw poop

    Rock Springs,...
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    I believe it is more of an insulator.. Help keep heat from the carby. I had one here but can't find it..
     
    zila, Nov 4, 2020
    #2
  3. Nov 5, 2020
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    Year, model, application? There are early 2100s that have no PCV port and used a spacer to provide a PCV port. Ford, not Jeep, AFAIK.

    Even the earliest Jeep apps for the 2100 used two paper gaskets and a plastic insulator.
     
    Last edited: Nov 5, 2020
    timgr, Nov 5, 2020
    #3
    Downs likes this.
  4. Nov 5, 2020
    DanStew

    DanStew Preowned Merkin salesman Staff Member

    Lexington, South...
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    This carb is in my 79 CJ5. The 2100 i have has the PCV port on it, that is why I am confused why there are two. One was capped off when i got the jeep.
     
    DanStew, Nov 5, 2020
    #4
  5. Nov 5, 2020
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    Last edited: Nov 5, 2020
    timgr, Nov 5, 2020
    #5
  6. Nov 5, 2020
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    Defense Suicide Prevention Office?

    I didn't even know the WAS an app for that :shrug:
     
    Howard Eisenhauer, Nov 5, 2020
    #6
  7. Nov 5, 2020
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    Serious Howard? I can't tell.

    Dip Stick Previous Owner.

    Application is '79 CJ-5.
     
    timgr, Nov 5, 2020
    #7
  8. Nov 5, 2020
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    Semi-Serious :)

    DSPO is a new one to me. :confused:
     
    Howard Eisenhauer, Nov 5, 2020
    #8
  9. Nov 5, 2020
    Oldriginal86

    Oldriginal86 Member

    Pasadena, Md.
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    Nov 5, 2014
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    Could be to provide a vacuum port for a brake booster.
     
    Oldriginal86, Nov 5, 2020
    #9
  10. Nov 6, 2020
    TheBeav1955

    TheBeav1955 Member

    Wyoming, Mi
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    Apr 14, 2004
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    I just finished my 304 rebuild on my 72 I have that spacer as well that port goes to my PCV valve as my carb does not have a port to run for the PCV
     
    TheBeav1955, Nov 6, 2020
    #10
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