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Thread: My quest to tune my car...

  1. #21
    Joe (Moderator) joecar's Avatar
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    Leave ripples/sawtooth patterns alone. Push down tall spikes and pull up deep wells.

    Post screenshoots.

  2. #22
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    this is a copy of that scan:

    calcvet3.efi



    this is a copy of the tune that i'm starting with:
    startingtunepemod.tun

  3. #23
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    so after a log and filtering i have a calcvet map that looks like this:

    Click image for larger version. 

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    this is my stock ve table values:


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    this is my stock ve 2d graph

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    this is my altered per map A ve table data:

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    this is what the graph ends up looking like

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  4. #24
    Joe (Moderator) joecar's Avatar
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    Can you post a screenshot of the difference between the old and new VE tables... do it like this:

    open the edited file as the calibration file, open the previous file as the alternate file, goto table B0101, and post screenshots of each of the 3 differences (the buttons labelled +/-, %, [%]).

    [ sorry, I'm still in Palm Springs so I can't view your files yet ]
    Last edited by joecar; August 12th, 2011 at 05:53 AM.

  5. #25
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    table b0101??> charge temperature blending?

    maybe its supposed to be the ve table. ill get that up:'





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    i smoothed out some of the huge peaks and dips.

  6. #26
    Joe (Moderator) joecar's Avatar
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    B0101 is the main ve table, isn't it...?

    Your differences pics show a large difference before->after...

  7. #27
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    Quote Originally Posted by joecar View Post
    B0101 is the main ve table, isn't it...?

    Your differences pics show a large difference before->after...
    maybe its different in the 98 OS? i know a couple of the tables mentioned in the idle tutorial don't exist in my 98 OS.

    the differences are insane...thats why i am so leery about this. the car runs VERY rich at idle (800 idle x 55 MAP) to the point where i can see and smell fumes while sitting at a stop light in 100 degree weather

  8. #28
    Joe (Moderator) joecar's Avatar
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    B0101 is the Main VE table in the 1998 file... if you're doing the Calc.VET tutorial (MAF'd and CL/trims) then you should be pasting into B0101.

  9. #29
    Joe (Moderator) joecar's Avatar
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    I see the ETC warning when I open you .tun file... have you been flashing this file, does the engine run ok...?

  10. #30
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    it should run ok, I get the warning too Joecar with my 99 Camaro. Has cable throttle anyhow.

    The VE do look different but not in a bad way, the stock 98-99 VE tables i found were quite close at high MAP/High RPM but way over at low RPM.
    Just doing Auto VE with my wide band for my Heads cam camaro (253 stock ls2 heads with TSP 228R cam), i'm struggling with idle also a bit, your must be much harder being a larger cam??
    Are you in CL when it smells rich?? The AFR should be fluctuating about 14.7 ish so the fuel mix should be right?

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