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Thread: Fuel Pressure Settings of Stock D15b 3stage VTEC

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    Default Fuel Pressure Settings of Stock D15b 3stage VTEC

    Hello Friends, Greetings!

    This question goes to all the senior's here as im seeking help from them. can some1 please tell me what is the Stock Idle Fuel pressure on Stock motor d15b 3stage vtec & what is the wide open throttle fuel pressure on same motor? also if i change these stock pressure settings by installing an FPR, would i increase gain in HP?or Torque?

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    On Stock Setup You Will Gain Nothing Much...You Can Keep It around 32-35Psi On OEM....
    TOYOTA Sprinter 86- AE80 DOHC 20v'D TOYOTA Corolla 98- AE101 4AFE 16v

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    Thnx for reply....but 32-35 idle or wide open throttle pressure? Bro nothing much gain...i understand! But what will be much gain? Lets just say 2 or 5HP?

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    This Shld Also be Maintained At WOT..Vacuum Port Is There On FPR ..It Shld Not Drop Much Under WOT...

    Too Much Raised FPR will Stress Your Fuel pump ...You May Get A Better Response On Throttle With Increased Pressure!
    TOYOTA Sprinter 86- AE80 DOHC 20v'D TOYOTA Corolla 98- AE101 4AFE 16v

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