Vortec Fuel Pressure Gauge Question

Discussion in 'Engine Performance + Maintenance' started by Gearheadmike, Mar 16, 2019.

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  1. Gearheadmike

    Gearheadmike OBS Enthusiast

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    Has anyone installed a fuel pressure gauge on the vortec engine's under the hood using the test port?
    If so what fittings are needed?
     
  2. big_mike

    big_mike I'm Awesome

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    Here is a pic of mine. You need a single coupling fitting and I used another fitting for the gauge cause the threads were different sizes to connect a gauge or sensor for electric gauge. You can see the 2 pieces in the pic.
    E437281D-0881-4619-9B8F-BD1EC44E58A7.jpeg
     
  3. Gearheadmike

    Gearheadmike OBS Enthusiast

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    I think i found the coupling fitting i need i believe it's a -4AN to a 1/8 npt.
     

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