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Thread: Need a basic lesson on idle tune w/cam..

  1. #21
    EFILive Reseller ringram's Avatar
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    Also some recent info for those who need to keep to emissions standards.
    A high vac idle with low rpm speed is good for economy, but not necessarily emissions. A higher idle speed and less advance keeps things hotter and heats the cats better due to faster airflow and heat into them. This may be especially important with aftermarket headers and cats back from stock location where they take longer to heat up and therefore dont work properly.
    Im helping a fellow owner try and pass emissions. The local emissions place lets us play on their gear for next to free as they are interested in the cars too. Cool. I think we might have an issue as they have 100 cell cats and aftermarket headers etc.
    We can zero out HC and CO but only by breaking the lambda limit. If we stay at the top end we get too much CO. I think we/he might need to wrap the headers or upgrade the cats.
    Ill start another thread where this is more relevant later with the final results.
    Get EFILive in europe (http://www.efilive.eu).
    2007 Escalade ESV L92 6.2L VVT.
    2014 VF SV LS3 Maloo.

  2. #22
    Lifetime Member Bruce Melton's Avatar
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    Quote Originally Posted by TAQuickness
    you will want to copy all the temperature values from B4307 as the rows in your map, and make the column heading Park/Neutral. Row and column parameter will be ECT, and your data parameter will be RAFPN. Be mindful of your units


    Is this what you specified?

    I use F in both B4307 and MAP cause I can relate better. I increased the scale of G/S to 40 but expect that is not enough?

    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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  3. #23
    Lifetime Member TAQuickness's Avatar
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    Quote Originally Posted by Bruce Melton

    Is this what you specified?

    I use F in both B4307 and MAP cause I can relate better. I increased the scale of G/S to 40 but expect that is not enough?
    No sir. You map should look like the attached image, but in the column heading read Park/Neutral. The parameter for both row and colum is ECT
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  4. #24
    Lifetime Member Bruce Melton's Avatar
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    Thanks TA, the picture solves my frustration. I was obviously trying to overdo it.
    I appreiate your help.

    Bruce

    Edit -- I ran B4307 up on the "hot end" and it absolutely fixed the problem-
    Last edited by Bruce Melton; April 24th, 2006 at 11:20 PM.

    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

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