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What are the psi numbers from an OEM fuel pump output to carb?

Discussion in 'Flat Fender Tech' started by Unkel Dale, Sep 3, 2017.

  1. Unkel Dale

    Unkel Dale delivery on my Jeep from Ft. Campbell, Ky.

    FSM QUESTION
     
    Unkel Dale, Sep 3, 2017
    #1
  2. rusty

    rusty Well-Known Member

    Just a guess but I would say about 5 to 7 .
     
    rusty, Sep 3, 2017
    #2
  3. timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    134? Should be in the FSM ... it is in the later TSMs.

    From the earliest manual I have (1972),

    upload_2017-9-3_16-40-20.png
     
    timgr, Sep 3, 2017
    #3
  4. PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Carter YF asks for 2.5 to 3.75 psi as I recall.

    The Carter 596S is the same. From the 1965 FSM.
     
    PeteL, Sep 3, 2017
    #4
  5. Unkel Dale

    Unkel Dale delivery on my Jeep from Ft. Campbell, Ky.

    Thanks to all replies, very helpful. Changing to an alternator, high torque starter, and now electric fuel pressure..... guaranteeing a blown 2.2L engine soon. I AM just lucky like that!
     
    Unkel Dale, Sep 4, 2017
    #5