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  1. Sorry. I must have misread the OS number ......

    Sorry. I must have misread the OS number ... twice.
  2. Sorry about the delay. Here it is.

    Sorry about the delay. Here it is.
  3. Sorry for the late reply. The 2002 Express van...

    Sorry for the late reply.

    The 2002 Express van with an L31 5.7L engine had a 4L80E as an option. This should be in the database somewhere. If you can't find it, I can upload it.
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    How did it work for you?

    How did it work for you?
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    I finished the tool and linked it to the OP. If...

    I finished the tool and linked it to the OP. If anyone's interested, please feel free to have fun.

    Please inform me of any bugs found in the code or the documentation.
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    Sticky: Lots of good information here. As a result of...

    Lots of good information here.

    As a result of a quick read through the PDF referenced in the second post:

    Missing from the abbreviation list: DOD, CKP (in header), CMP (in header), CAX
    ...
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    It ran better with the above spark table then it...

    It ran better with the above spark table then it did with the stock LS1 spark table.

    I'll be adjusting the VE table next and calibrating the MAF (https://forum.efilive.com/showthread.php?15236). ...
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    I added the ability to have a floor and a ceiling...

    I added the ability to have a floor and a ceiling for the advance, a boost retard and the ability to have multiples of each. This allows a rather complex spark advance curve to be created.

    Next,...
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    I adjusted the program to use a comma delimiter,...

    I adjusted the program to use a comma delimiter, and saved the output to a .CSV file. I then brought the .CSV file up in Excel and was able to copy/paste from the spreadsheet into the Tune tables.
    ...
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    I finished the code (it's in Python - big, ugly,...

    I finished the code (it's in Python - big, ugly, un-optimized and poorly commented), and it generates nice tables (they look just like a curve from a distributor should). The problem is that I can't...
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    How do you build a Spark Table from scratch?

    I've got a 383 SBC with an LS1B (411). There are a LOT of modifications, including TPI, 11:1 compression, headers, port matching on the intake and a high-lift cam (Lunati 20080720 w/ 1:1.6 rockers)....
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    How do I change the VIN in a PCM?

    I've been tuning a PCM, and it decided to fail (no spark output). I got a replacement PCM, but the VIN in it is different. How do I use EFILive to change the VIN to match the vehicle?
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