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  1. Replies
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    You seem to be ignoring the fact that a matched...

    You seem to be ignoring the fact that a matched set of [sensor period] and [flow rate] is the fundamental data of a MAF curve. You can't ignore one of those things. You are so focussed on the flow...
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    Here's a closer view of the bottoms of the 2011...

    Here's a closer view of the bottoms of the 2011 vs 2014 curves.

    This look "identical" to you murfie?


    94501
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    Thanks man! That matches my 2014 stock data...

    Thanks man!

    That matches my 2014 stock data perfectly.

    If I can just validate the 2011 data I have, I'm right back to my original question ;)
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    Ah, you probably went to the Airflow vs Voltage...

    Ah, you probably went to the Airflow vs Voltage table, instead of Airflow vs Period.
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    I don't know what else to tell you murfie. You...

    I don't know what else to tell you murfie.

    You are looking at zoomed out charts separately, not overlayed, using a rolling average and claiming the two curves are "identical".

    This is flat out,...
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    If you still doubt the way I am looking at %...

    If you still doubt the way I am looking at % differences with my interpolation calculator, here is the graph, but with the addition of my 2011 curve interpolated to match the 2014 period values.
    ...
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    I don't know where you are coming up with this...

    I don't know where you are coming up with this "manipulated" data claim.

    I asked whether the data I posted was truly the stock data. Since I didn't read out these files, I have no way of knowing...
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    Is this data that has been converted for use on a...

    Is this data that has been converted for use on a pre 2011 voltage based MAF?

    I'm using it on a 2012, so I have 40 cells of MAF vs period to fill.
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    The M122 is 2.0L, but I see your point. Sure a...

    The M122 is 2.0L, but I see your point. Sure a larger engine, with a larger blower, and a higher redline needs some more headroom in the MAF function. That would explain the rescaled axis values, but...
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    You could start by disabling EGR in the tune, as...

    You could start by disabling EGR in the tune, as a test.
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    Sounds like you have an exhaust leak somewhere...

    Sounds like you have an exhaust leak somewhere between the header flange and O2 sensor on whatever bank shows more lean.
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    Differences Between '11 & '14 GT500 MAF Data

    Hi guys,

    I was under the impression that 2011 - 2014 GT500s had identical MAF housings. But comparing downloaded tunes (labeled stock) there are fairly significant differences in the MAF curves,...
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    Yes, you definitely want to rescale the axis to...

    Yes, you definitely want to rescale the axis to capture your full operational range.

    There is no real magic there. I find that the table is dimensionally a bit small for my liking, so I densify...
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    They have their data posted right on their...

    They have their data posted right on their website.
  15. In this Ford PDF, they sure make it sound...

    In this Ford PDF, they sure make it sound possible:

    https://performanceparts.ford.com/download/pdfs/Gen_2_Coyote_Technical_Reference_2-16.pdf
  16. Thread: Ti-VCT Tuning

    by CCS86
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    :cool:

    :cool:
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    Cool, thanks.

    Cool, thanks.
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    Decipha, where have you seen spark gains level...

    Decipha, where have you seen spark gains level off with boosted Coyotes?
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    The O2 sensor swap is a good first step. ...

    The O2 sensor swap is a good first step.

    Beyond that, it could be an exhaust leak showing false lean, a vacuum leak at the cylinder head showing a true lean, or an imbalanced bank of injectors.
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    I noticed something pretty interesting today...

    I noticed something pretty interesting today while looking at a log.

    This happened shortly after startup. The car was idling for about 45 seconds after fueling went closed loop. Then, it did this...
  21. If flow goes from the BOV to the MAf, that...

    If flow goes from the BOV to the MAf, that placement is really bad. Even if it flows the opposite way, having the MAF that close to the bend is not good.
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    Feel free to back up your claims that my SD model...

    Feel free to back up your claims that my SD model and my fueling are "wrong".

    Until then, people will see your claims for what they are: baseless.
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    That is going to rub veeefour the wrong way. ...

    That is going to rub veeefour the wrong way.

    He obviously has some good knowledge, but lacks awareness of where that knowledge gets fuzzy or ends. He makes bold claims, then refuses to provide a...
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    I'm just saying that you can't claim licensing...

    I'm just saying that you can't claim licensing the VIN only, instead of VIN+strategy, creates a loophole; if that loophole already exists.

    Just like they say, locks are to keep honest people...
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    Absolutely. My strategy swap actually came by...

    Absolutely.

    My strategy swap actually came by way of Lund on my nGauge. His nGauge firmware apparently skips the VIN matching check that the HP Tuners firmware does. I verified with eMotion, that...
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