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Thread: 3800 turbo maf issues?

  1. #1
    Tuner in Training
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    Jun 2011
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    3800 turbo maf issues?

    Had a tuner start me out with a tune when i went turbo and I dont believe they were as good as they said they were. Im by no means a expert but thought I had a pretty good handle on things until I made the switch to turbo. Here is the confusing part .... Im use to seeing a nice steady curve on my (maf airflow vs output freq) but in the tune he setup has the same values from 10,125 to 11,500. This does not seem right to me. would there be a need to do this when a mini afc is being used?
    maf table.PNG

    Also it looks like he attempted to do a open loop tune and did not put some of the tables back to where they should be etc. Looking for someone to get me headed in the right direction to getting this mess straightened out.


    9.12.13 more adjust current as of 9.14.hpt
    9.13.13 2nd run.hpl
    9.13.13 3rd run.hpl
    buick 9.30.13 63 deg.hpl
    Last edited by midwboss; 09-30-2013 at 10:46 PM. Reason: fixed a issue so edited what i still need help with
    98 Regal GS |L32| mini afc |Stattama T67 A2A Intercooled|80# injectors|walbro pump| TEP Transmission 2.93| Stattama 4 Cam| 130's| Kook racing muffler| AGX's | Doorman sway bars| BMR lateral arms| The list goes on

  2. #2
    Tuner in Training
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    Jun 2011
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    anyone??
    Last edited by midwboss; 09-30-2013 at 10:47 PM.
    98 Regal GS |L32| mini afc |Stattama T67 A2A Intercooled|80# injectors|walbro pump| TEP Transmission 2.93| Stattama 4 Cam| 130's| Kook racing muffler| AGX's | Doorman sway bars| BMR lateral arms| The list goes on

  3. #3
    Tuner in Training
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    Jun 2011
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    So if i set my afc at 78% this lowers my maf scale by 22% correct? So if I were to set my maf scale etc back to stock and start all over what is a good percentage to multiply the maf scale by to get started? I have the mini afc 1.2 by the way
    98 Regal GS |L32| mini afc |Stattama T67 A2A Intercooled|80# injectors|walbro pump| TEP Transmission 2.93| Stattama 4 Cam| 130's| Kook racing muffler| AGX's | Doorman sway bars| BMR lateral arms| The list goes on

  4. #4
    Advanced Tuner
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    Jax, Fl
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    Multiply the whole thing by 1/.78 or 1.28 that will put you in the ballpark. I will look at your logs and tune when I get home. Lots of crazy info on 3800s from tuners that I don't like seeing.
    Last edited by Kyne; 10-03-2013 at 06:00 PM.
    2006 Holden Monaro I Phantom Black Metallic I Red I One of 416
    L92/L76 I Streetsweeper HTR I SLP LT I LoudMouth 2
    JHP V2 I Powdercoated Black 18s I Kyne Splitter


    2001 GTP I Stock DD

  5. #5
    Tuner in Training
    Join Date
    Jun 2011
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    Thanks any info will be greatly appreciated
    98 Regal GS |L32| mini afc |Stattama T67 A2A Intercooled|80# injectors|walbro pump| TEP Transmission 2.93| Stattama 4 Cam| 130's| Kook racing muffler| AGX's | Doorman sway bars| BMR lateral arms| The list goes on

  6. #6
    Advanced Tuner
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    Sep 2011
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    Jax, Fl
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    I'm sorry do the inverse of that. 1.28. I wasn't thinking.
    2006 Holden Monaro I Phantom Black Metallic I Red I One of 416
    L92/L76 I Streetsweeper HTR I SLP LT I LoudMouth 2
    JHP V2 I Powdercoated Black 18s I Kyne Splitter


    2001 GTP I Stock DD