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Thread: New to Tuning, Struggling with VE adjustments

  1. #1
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    Default New to Tuning, Struggling with VE adjustments

    Ok, So I have searched and read tons of VE tuning tutorials and such but am having a very hard time wrapping my head around the tuning for this truck. I have made simple changes with positive results but I cant figure out how to relate others VE stuff to my particular application. Does anyone have any suggestions or maybe a thread that I have missed? Getting more confused and frustrated as time goes on, I'm very near the "let someone else do it" stage. lol

    Thanks for any help.

    - Mario
    2011 6.7 Cummins, ARP 625's, 5" Flo-pro, S&B, Some Carli stuff, 35's

    2008 5.3L Chevy, Long tubes, CAI, 220 cam, 4.11's

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    Lifetime Member swingtan's Avatar
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    That is the main how to that I have been using, but I am struggling getting the BEN factor table to produce numbers. (I always end up with a table of 0.0's)

    I also am afraid I am trying to combine too many different tutorials. I guess my question should be, once I get through the set-up process of your tutorial, what do I do when I get to the logging portion? I'm struggling knowing what to do with the data I have at hand.

    BTW, this is on the 08 Chevy that is in my sig, Im also using a AEM Wideband, if that makes any difference.
    2011 6.7 Cummins, ARP 625's, 5" Flo-pro, S&B, Some Carli stuff, 35's

    2008 5.3L Chevy, Long tubes, CAI, 220 cam, 4.11's

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    Lifetime Member swingtan's Avatar
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    Post a log and I'll check to see if you have right PID's. It sounds like you may be missing something.

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    Joe (Moderator) joecar's Avatar
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    What pid are you using as the BEN pid...?

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    Joe (Moderator) joecar's Avatar
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    If your AEM wideband has serial comms ability, are you using it (to read Lambda)...?

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    Joe (Moderator) joecar's Avatar
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    For example, the BEN pid can be defined as {EXT.WO2LAM1}/{SAE.LAMBDA}

    but it depends your wideband connection and whether SAE.LAMBDA works on your ECM.

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    I have been using the serial comm, but not lambda. I have been using it to read in AFR. I will try and get a log this evening or in the morning to post.
    2011 6.7 Cummins, ARP 625's, 5" Flo-pro, S&B, Some Carli stuff, 35's

    2008 5.3L Chevy, Long tubes, CAI, 220 cam, 4.11's

  9. #9
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    Here is the log file I have, Let me know if this looks at all correct or not.

    Thanks again

    P.S. pay no attention to the name, I used this to just remember what it is.
    Attached Files Attached Files
    2011 6.7 Cummins, ARP 625's, 5" Flo-pro, S&B, Some Carli stuff, 35's

    2008 5.3L Chevy, Long tubes, CAI, 220 cam, 4.11's

  10. #10
    Lifetime Member swingtan's Avatar
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    1. You are logging External WB AFR, but it looks like the V2 is not configured for your WB. I say this as there is no WB data in the log. This will be the reason you don;t get any data in the BEN MAP. ensure the V2 is set up correctly for both Serial WB logging and that your correct WB serial device is selected. you can do this by plugging the V2 into the PC and opening "Scan & tune", then going into "F6: Devices" and finally "F8: Serial I/O". The "Comm Port" should be set to Wideband and Wideband type needs to be what ever you have.
    2. Don't log "SAE TP%" on an Electronic throttle Control ECU. As you can see you get compressed data as it only logs the sensor voltage, not the actual opening. Use "GM.ETCTP" instead.


    Fix those up and see how you go.

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