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  1. #1
    VXRed
    Join Date
    29th June 2017
    Posts
    11

    Default Boost issues doing my nut

    Hi guys having some trouble with the old las, overboost only lasts a split second at 15psi then drops to and holds at 10psi.
    Iv installed new bcs front and back,
    New forge recirc valve,
    New actuator
    New vac lines
    Replaced the one way valve,

    The actuator is up full and still does exactly the same... No codes or lights

    I'm lost can anyone give me any pointers as to what else it might be? I'm kinda thinking maybe the spring on the actuator is weak which is a bit crap as I bought it new from courts

  2. #2
    VXRed
    Join Date
    17th February 2019
    Posts
    134

    Default

    You got adjustable recirc?


    Sent from my iPhone using Tapatalk

  3. #3
    VXRed
    Join Date
    29th June 2017
    Posts
    11

    Default

    Yeah its the forge piston one with the standard spring as I'm not mapped or anything, car is stock

  4. #4
    VXRed
    Join Date
    29th June 2017
    Posts
    11

    Default

    Just tested the actuator and it is pretty much fully open at 5 psi I'm guessing the actuator is *****

  5. #5
    VXRed
    Join Date
    17th February 2019
    Posts
    134

    Default

    Surely you can tighten it? Or when you said earlier itís fully wound up did you mean itís fully tightened as in nuts to the left as you look from the top! If they are and itís fully open at 5 then itís ****** yea lol should creep open at 10 Iím told


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  6. #6
    VXRacing ahead Rksmith's Avatar
    Join Date
    15th December 2016
    Posts
    515

    Default

    Yeah should start to lift off at 10psi. I bet it feels flat as a fart.

    Sent from my SM-G973F using Tapatalk

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