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Technical 21 stud v8 vacuum line

Discussion in 'The Hokey Ass Message Board' started by westerntown, Sep 23, 2022.

  1. westerntown
    Joined: Dec 5, 2019
    Posts: 3

    westerntown

    1934 21 stud v8 vacuum line goes from the dist. to intake but,intake not drilled, why and should it be?
     

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  2. Petejoe
    Joined: Nov 27, 2002
    Posts: 11,414

    Petejoe
    ALLIANCE MEMBER
    from Zoar, Ohio

    My 37 21 stud also had a vacuum brake that controlled the advance. It went to a fitting in the intake. I have no idea why your intake doesn’t have one unless it’s an old aftermarket.
     
  3. The hole for the vacuum fitting is right below your vacuum tube looks like the threads have been stripped the hole itself is pretty small and is probably plugged up
     
  4. The manifold looks to be correct
    Here is the underside vacuum hole circled in red 95D4D563-7D5A-4998-B7BF-DA064E101646.jpeg 60C87059-F521-4069-85F0-E7ED653197CB.jpeg
     

  5. 43F4483D-7B38-4C2B-AB59-F6956AD43EA0.jpeg The vacuum port is marked #1
    There is a second vacuum port marked #2
     
    Petejoe likes this.
  6. westerntown
    Joined: Dec 5, 2019
    Posts: 3

    westerntown

    thanks everyone who responded, my eyes aren't the best,between the paint and the hole plugged up its their,w d 40 the hole maybe loosen up tomorrow
     
  7. westerntown
    Joined: Dec 5, 2019
    Posts: 3

    westerntown

     

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