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Thread: MAF Calibration (No Spreadsheets!)

  1. #11
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    thanks sinister! this is greatly appreciated.

  2. #12
    Lifetime Member TAQuickness's Avatar
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    Now that's good Schtuff!

  3. #13
    Lifetime Member BowlingSS's Avatar
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    Should I keep the MAF after SD or no? That is the question???

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  4. #14
    Lifetime Member ZL1Killa's Avatar
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    you can keep it or trash it. if you calibrated it in with this map then i would say plug it in and leave it.

    My buddy nick williams knows (and I'm sure that you also know) people that do and don;t have the MAF. Nick is running the MAF and his car is awesome.
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  5. #15
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    Quote Originally Posted by SinisterSS
    .
    6. Copy and paste the MAF map as a factor into your MAF table in the tune.

    When I do this I paste and multiply with lables right?
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  6. #16
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    Yup
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    Larry - HumpinSS

  7. #17
    Lifetime Member Bruce Melton's Avatar
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    Quote Originally Posted by MSGHUFF
    When I do this I paste and multiply with lables right?
    You will have to change the column from 8000 to Value,Value
    Click image for larger version. 

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    I have been fooling with this for a while and once changed table I could Paste and Multilply but it seems to take my AFRs lean (PLX).

    Let us know how it works out for you -_-.

    2000 C5 Coupe, 6M, Callies/Mahle stroked LS7 (441), Blackwing, Halltech, LS3 intake, 90mm Shaner TB, ported L92 heads, FAST 50# inj, not too much cam, Kooks 1 7/8" headers , 3" catless mid pipes, Z TIs, track suspension, , 3:90 rear, EFI V2, LM-2, etc.
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  8. #18
    Lifetime Member SSpdDmon's Avatar
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    In my experience, there's not a direct 1:1 relationship with the MAF and AFR. I usually make partial corrections, which is where Excel does come in handy. That way, I can turn a BEN of 1.05 into 1.025 (50% correction) easily for each frequency. This helps dial things in a little closer and really doesn't take much time at all.

  9. #19
    Lifetime Member Bruce Melton's Avatar
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    I assume that increasing the value in the MAF table increases the amt of air added?
    In that the AutoVE tunes for no MAF when you throw the MAF back in with it's air correction the MAF air should be ~0 given identical conditions.

    Kinda hard to imagine.

    2000 C5 Coupe, 6M, Callies/Mahle stroked LS7 (441), Blackwing, Halltech, LS3 intake, 90mm Shaner TB, ported L92 heads, FAST 50# inj, not too much cam, Kooks 1 7/8" headers , 3" catless mid pipes, Z TIs, track suspension, , 3:90 rear, EFI V2, LM-2, etc.
    PowrMax Performance

    100 mm PowrMAF

    LM-2 EFILIve package with TAQ -sLM2 V-2 serial cable> Package deals

  10. #20
    Lifetime Member TAQuickness's Avatar
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    Bruce
    yes - increasing the value in the MAF table effectively tells the PCM there is more air for the respective Hz value read from the MAF. The MAF calibration is a look uptable similar in nature to the VE table.


    Quote Originally Posted by SSpdDmon
    In my experience, there's not a direct 1:1 relationship with the MAF and AFR. I usually make partial corrections, which is where Excel does come in handy. That way, I can turn a BEN of 1.05 into 1.025 (50% correction) easily for each frequency. This helps dial things in a little closer and really doesn't take much time at all.
    Have you seen this across the board or down low where the VE and MAF are "blended"?


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