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Thread: What boost should I be running?

  
  1. #1
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    Daleyboy's Avatar
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    What boost should I be running?

    Just wondering what boost you guys think I should be running with the current spec:

    Regal custom stage 1 software with VXR afm
    Lower front mount intercooler
    Courtenay panel filter
    Large air intake
    Courtenay uprated actuator

    Fitted my boost gauge again after about 4 months and its overboosting to 19psi and then slowly dropping to hold 16psi up until 6k revs. Is this about right for the current spec Im running?

    Back when I had the boost gauge originally I was holding about 11psi...... but not sure why Im boosting more now as Ive not made any modifications since then. How very strange but not complaining coz got more boost now
    BYE BYE VXR . . . . . . Hello Diesel POWER

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    gsi-jay's Avatar
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    anywhere around 14 to 16 psi is good for stage 1, could do with dropping the overboost a tiny bit bit yer seems ok
    courtney stage 3 zafira,Mitsubishi evo geek mapped to 389 and 470 lb of torque

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