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Thread: When doing standalone fuel system how to setup ECU (GT 3 valve Spanish Oak ecu)

  1. #1
    Senior Tuner
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    Jun 2004
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    Baltimore, Md
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    When doing standalone fuel system how to setup ECU (GT 3 valve Spanish Oak ecu)

    Id assume in Fuel System/Fuel Pump set flow max to 5 lb/hr maxed out, Desired Voltage to 12 or 13.5 or something, Adaptive Voltage to Disabled, maybe Fixed Duty Cycle to Enabled? (what number?) Pump Command Signal Off Duty Cycle to??
    Attached Files Attached Files
    Factory Stock 97 SS M6 13.51 @ 104.3 mph
    Stock Longblock LS1 w/ 233/238 P.S.I. Cam
    10.81 @ 126.9 Full interior, six speed on 275 radials, a decade ago

    '99 TA trunk mounted 76mm 6 Liter
    9.0s in '09 @ 153 MPH

    Turbo 5.3 Volvo 740 Wagon
    32psi and still winding out 5th on the highway somewhere

  2. #2
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    Aug 2016
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    georgia
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    I?m assuming a fuel cell worth an external pump? If so set it as follows under the fuel sys portion set flow max to 16 lb/ min, desired voltage to 12. Disable adaptive voltage and set manual control fixed duty cycle to enabled. If you have any questions let me know.

  3. #3
    Senior Tuner
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    Jun 2004
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    Baltimore, Md
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    Quote Originally Posted by truspeedinc View Post
    I?m assuming a fuel cell worth an external pump? If so set it as follows under the fuel sys portion set flow max to 16 lb/ min, desired voltage to 12. Disable adaptive voltage and set manual control fixed duty cycle to enabled. If you have any questions let me know.
    Thats exactly what I did but what duty cycle for fixed duty cycle?
    Factory Stock 97 SS M6 13.51 @ 104.3 mph
    Stock Longblock LS1 w/ 233/238 P.S.I. Cam
    10.81 @ 126.9 Full interior, six speed on 275 radials, a decade ago

    '99 TA trunk mounted 76mm 6 Liter
    9.0s in '09 @ 153 MPH

    Turbo 5.3 Volvo 740 Wagon
    32psi and still winding out 5th on the highway somewhere