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  •  » FYI Ford, Classic Mustang Tech Discussion
  •  » Positive Crankcase Ventilation (PCV)

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    8/18/2019 12:15 PM  #26

    red351
    I FYI 24-7

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    From: Cumminstown PA
    Registered: 5/31/2018
    Posts: 445

    Re: Positive Crankcase Ventilation (PCV)

    PVC can be evil. You can buy 3 of the same #, and all 3 will have a different personality. Vacuum gauge it, and pick the one you like best

    Last edited by red351 (8/18/2019 12:20 PM)

     

    10/10/2020 10:33 AM  #27

    Nos681
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    From: Atlantic Mine, Michigan
    Registered: 7/14/2016
    Posts: 3,058

    Re: Positive Crankcase Ventilation (PCV)

    BobE wrote:

    I used Summit fittings and 3/8" SS braided line.  Notice how the "black" coating on the Summit fittings by the carb lost the blackness.

    BobE

    How well does your PCV work?

     

    10/10/2020 1:58 PM  #28

    RV6
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    From: Pine Junction, CO
    Registered: 3/01/2016
    Posts: 1,225

    Re: Positive Crankcase Ventilation (PCV)

    I did end up purchasing the awfully expensive MEWagner PCV valve. I followed the instructions and it works great. 

    Gary Zilik - Pine Junction, Colorado - 67 Coupe, 289-4V, T5
       •Thread Starter
     

    10/11/2020 7:52 AM  #29

    Nos681
    Senior 24-7 FYI Addict

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    From: Atlantic Mine, Michigan
    Registered: 7/14/2016
    Posts: 3,058

    Re: Positive Crankcase Ventilation (PCV)

    RV6 wrote:

    I did end up purchasing the awfully expensive MEWagner PCV valve. I followed the instructions and it works great. 

     
    I missed reading these articles:

    http://mewagner.com/?p=1130

    http://mewagner.com/?p=540

    Great information.

    Last edited by Nos681 (10/11/2020 8:08 AM)

     

    10/11/2020 9:42 AM  #30

    BobE
    Senior 24-7 FYI Addict

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    From: White Plains, NY
    Registered: 4/04/2013
    Posts: 2,200

    Re: Positive Crankcase Ventilation (PCV)

    Nos681 wrote:

    BobE wrote:

    I used Summit fittings and 3/8" SS braided line.  Notice how the "black" coating on the Summit fittings by the carb lost the blackness.

    BobE

    How well does your PCV work?

    I replaced the PCV, Fram FV329, with the Wagner unit in August 2018.  I was able to pick up 1”-1.5” of vacuum, 16” to 17-17.5”, and was able to adjust (lean) the idle mixture and idle speed from about 1000 RPM to about 850-900 RPM.  I’m satisfied with the results.
     

    65 Fastback, 351W, 5-speed, 4 wheel discs, 9" rear,  R&C Front End.
     

     

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