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Thread: CTS-V flex fuel kit

  1. #1
    Tuner in Training
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    Apr 2017
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    CTS-V flex fuel kit

    I am wanting to run the flex fuel kit on my 2009 Cts-v. My car has a fore fuel dual pump setup with regulator and 90lb injectors. The car has Lingenfelter 2.55 pulley and lower setup and BTR 3 cam. Is this going to be enough injector? How difficult is the setup in Hptuner?

    Steve

  2. #2
    Advanced Tuner PGA2B's Avatar
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    Nov 2004
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    St. Louis, MO
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    What is your injector duty cycle % right now?
    2013 OBM A6 CTS-V Coupe
    Mods: Headers back Billy Boat Exhaust, GripTec 2.65, 8.6 PowerBond Lower, LSX Innovations Solid Isolator, ID850's, NGK TR7IX's, Accel 9070CK Wires, Spectre CAI, SRI Ported Throttle Body, SRI Catch Can, NGK AFRM, 160* T-Stat, 0fx2gv Brick, Hard Line Delete W/3/4" Lines, FB 101 FMIC, Pierberg CWA50, Stoptech Drilled/Slotted Rotors, EBC Redstuff, Cut Stock Springs, Flat Bottom Steering Wheel
    2006 Black Raven STS-V (Traded In)
    Fully Modded: 459RWHP@5888rpm/451lbft@4696rpm

  3. #3
    Like said what's your IDC now? What's your rail PSI now, injector delta? Lots of things come into play.

    As for tuning it it's a matter of enabling the sensor, making sure your stoich table is right, your spark blend table is filled in, your flex spark table if filled in, and checking you MAF and or VVE with E in the tank.

  4. #4
    Tuner in Training
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    I am new to all this so where do I find those settings?

    Steve

  5. #5
    Advanced Tuner PGA2B's Avatar
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    Nov 2004
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    St. Louis, MO
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    It's not setting. You need to use the scanner to log them.
    2013 OBM A6 CTS-V Coupe
    Mods: Headers back Billy Boat Exhaust, GripTec 2.65, 8.6 PowerBond Lower, LSX Innovations Solid Isolator, ID850's, NGK TR7IX's, Accel 9070CK Wires, Spectre CAI, SRI Ported Throttle Body, SRI Catch Can, NGK AFRM, 160* T-Stat, 0fx2gv Brick, Hard Line Delete W/3/4" Lines, FB 101 FMIC, Pierberg CWA50, Stoptech Drilled/Slotted Rotors, EBC Redstuff, Cut Stock Springs, Flat Bottom Steering Wheel
    2006 Black Raven STS-V (Traded In)
    Fully Modded: 459RWHP@5888rpm/451lbft@4696rpm

  6. #6
    Tuner in Training
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    Apr 2017
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    Ok, thanks. I will log IDC, fuel rail pressure, inj delta.
    Last edited by Theereverand; 05-25-2019 at 06:52 AM.