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  1. @freaknbigpanda, See my signature below. Just to...

    @freaknbigpanda, See my signature below. Just to confirm, you have a LS2 shortblock and not a LS7 shortblock.

    I have a 2005, M6, E38 ECU H/C/I/E car. LS2 shortblock with LS3 top-end. Seems similar...
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    Thanks eXo..... Dave

    Thanks eXo.....

    Dave
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    Thoughts anybody?

    Thoughts anybody?
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    Help Interpreting Log Results

    Hi, trying to understand my log results. STFTs are on, LTFT and DFCO are off.

    GMVE results look pretty good 1600 and 2800 have some leanness, but overall pretty decent: 121975


    However, my...
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    Quick Update - Dyno Results

    All, many thanks to all that helped with my tune.

    Sunday I spent a very hot afternoon finishing my tune via some dyno time.

    Shouts out to Landon at Elite Speed (https://elite-speed.com/)

    Car...
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    I know I'm a total novice, but I compared his...

    I know I'm a total novice, but I compared his tune to a stock tune and there are 5 pages of changes.

    Did I grab the wrong file when comparing his tune to stock?

    For a mostly stock car...
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    eXo, I'm working on the GMVE_AF from the other...

    eXo, I'm working on the GMVE_AF from the other thread, see below. MAF and Dynamic were easy.





    So I'm creating a custom formula for GMVE_AF. When trying to add the GMVE variable nothing...
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    eXo, this one:...

    eXo, this one: https://forum.hptuners.com/showthread.php?86215-Quick-guide-to-simultaneous-VVE-MAF-calibration-for-gen4
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    I thought the entire purpose of GMVE tuning is...

    I thought the entire purpose of GMVE tuning is you don't need to be in a dedicated SD mode?

    Also, what is the relationship between GMVE VE error values and STFT error values. Shouldn't these two...
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    Help Interpreting GMVE Results - e40 ECU

    Trying to finish tune of mildly camed / built LS2 with LS3 top end.

    I tuned MAF and VE tables pretty close, more or less plus minus 1 (or so%) for both tables. PE is set at 13:1 with delay at 3500...
  11. @pannetron Thank you.....

    @pannetron

    Thank you.....
  12. Commanded EQ Showing 1.13 Lambda in Scanner (1.13 = PE of 1.13)

    2005 Corvette, E40 ECM.

    I'm logging data in lambda.

    The tune has Stoich AFR set to 14.7:1. PE is set at 1.13, when combined gives a 13:1 AFR when PE is enabled. PE is set to engage at 3600, its...
  13. @PGA2B - Thanks. Going for a drive Saturday...

    @PGA2B - Thanks. Going for a drive Saturday morning.

    I also have separate ST, ST/LT, and WB GMVE graphs set up, each with its own formula.

    If I'm using my WB GMVE, I assume that STFTs and LTFTs...
  14. @hjtrbo, I'm good with spreadsheets, but yours is...

    @hjtrbo, I'm good with spreadsheets, but yours is truly impressive...

    I could not have got my GMVE formulas to work without it!

    Dave
  15. Hey, the formula builder spreadsheet on page 2 or...

    Hey, the formula builder spreadsheet on page 2 or 3 (I think) by @hjtrbo (again I think) is a great resource. I used it along with forum guidance help to get my GMVE formulas and graphs working.
  16. Has anybody done a "how to" on how to conduct...

    Has anybody done a "how to" on how to conduct GMVE scanning?

    I'm not talking about how to configure a GMVE formula in Scanner.

    I've got the GMVE formula working with my LM2 wideband. Just not...
  17. @dhoagland, your MAF Graphs appear to be filter...

    @dhoagland, your MAF Graphs appear to be filter by injector temp.

    How do you do that?

    Dave
  18. Thread: Yucky Idle

    by Dave_In_VA
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    Yucky Idle

    Idle is set to 1000 RPM when cold, then 850 when warm.

    Below 10 - 140 degrees idle is all over the place, RPMs range from 750 to 1050.

    Spark varies from 13.5 to 19 degrees at idle.

    Once...
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    eXo, I finally got my LM2 working correctly...

    eXo,

    I finally got my LM2 working correctly with Scanner in Lambda. Appreciate all the support. Scanner now properly reports: 1) VE Lambda error, 2) MAF Lambda error (high and Low), 3) GMVE WB...
  20. I have an LM2 and the above transform formulas...

    I have an LM2 and the above transform formulas are exactly what I use and both AFR and Lambda register correctly.
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    Thank you!

    Thank you!
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    eXo, TOTALLY SORRY. I missed this. I will try...

    eXo, TOTALLY SORRY. I missed this. I will try this tonight.

    Last weekend I used the STFT/LTFT GMVE formula. It did work, but it seemed to require extremely a significantly more deliberate driving...
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    Reviving Old Thread - My LM2 Reads in Volts (I think ?????)

    Hi, reviving an old thread. I have posted on this several times and still can't display actual Lambda in Scanner.

    My setup is:
    * MPVI2 - USB connection to laptop
    * LM2 - Serial connection to...
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    AFR Actual in Lambda

    Hi, how do I setup actual AFR reported in Lambda without using a wideband?

    My car has an E40 ECM.
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    Go to Engine > Idle > Airflow > Airflow Final...

    Go to Engine > Idle > Airflow > Airflow Final Minimum
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