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Thread: Start over,

  1. #21
    Lifetime Member Tinbender59's Avatar
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    Quote Originally Posted by joecar View Post
    ok, I'll take a look.
    thanks Joe, it is probably explained somewhere; I have made changes to the engine diagnostics, do I have to download the whole program now (far right Icon)?

  2. #22
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    I ended up running to a tractor fire about an hour after the last information posted. While running around she set the MIL lamp. Here is what i found. I have modified all the MIL request settings for the transmission electronics, as soon as i get them downloaded to the ecu, ill get better information.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  3. #23
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    Did you swap both transmission segments?

  4. #24
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    I thought i did? I can build another one just to make sure

  5. #25
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    Quote Originally Posted by Team208Motorsports View Post
    Did you swap both transmission segments?
    Just a silly question, would you have a tun that would be set up for my current configuration, that could be used as a start/tune base?

  6. #26
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    This is in a swapped engine?

  7. #27
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    Attached is a base file from a yukon that was already a 4l80. You have to remember when you change the trans segments you also have to watch the engine diagnostic segment as fault processing will change.

    File attached is speed density, so pull that MAF wire. It was built around a slightly looser converter, so down low may want some more fuel. This is not a stock file. If you are wanting a bunch more fuel across the board, something is wrong.

    496 Yukon Base stock 4l80.ctz

  8. #28
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    Yes, frame/motor harness/4L80E - 1999; cab/cab wiring - 2001; motor - 2004 8.1 motor harnesses repined for LS2 sensors and re configured for 8.1 90% of the wiring is confirmed as correct

  9. #29
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    Quote Originally Posted by Team208Motorsports View Post
    Attached is a base file from a yukon that was already a 4l80. You have to remember when you change the trans segments you also have to watch the engine diagnostic segment as fault processing will change.

    File attached is speed density, so pull that MAF wire. It was built around a slightly looser converter, so down low may want some more fuel. This is not a stock file. If you are wanting a bunch more fuel across the board, something is wrong.

    496 Yukon Base stock 4l80.ctz
    Thank you ill give it a try, the tun is 4x4 corect? Just checkin

  10. #30
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    And, no I did not know about the engine parameters affecting the trans parameters. But once you mentioned that it makes sense to me

    restart again!! Lol but with help ;-)

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