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Thread: 12592618 cax for 4l80e TCC unlock tables

  1. #51
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    I use my lockup in 2nd-4th gear in tow haul and have it setup like this.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  2. #52
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    Quote Originally Posted by nonnieselman View Post
    I use my lockup in 2nd-4th gear in tow haul and have it setup like this.
    Excellent, Ill give that a try but I only lockup in 4th so Ill set my mph higher. Are you using a stock stall?

  3. #53
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    Anyone ever see this? The MAF appears to be maxxed, but not at the max airflow of 512g/sec. It's like it reaches a certain amount and flatlines. Click image for larger version. 

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  4. #54
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    Quote Originally Posted by ddnspider View Post
    Excellent, Ill give that a try but I only lockup in 4th so Ill set my mph higher. Are you using a stock stall?
    yea Stock stall speed converter from Transstar. Its a BU52 part number in a 2500HD. Locking it up in 2nd gear at the right time makes it pull heavy trailers very good. But i dont try and lock it up unless TCC Slip is less than 500 rpms.
    Last edited by nonnieselman; March 16th, 2023 at 07:46 PM.

  5. #55
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    Quote Originally Posted by ddnspider View Post
    Good thing I emailed them. They responded with:
    EFILive does not allow you to roll back or downgrade firmware.

    Please supply the cax you are trying to add and I'll have one of the engineers take a look.
    "

    I sent over my files so hopefully they can help.
    Good to know on the firmware for future reference. I am also glad you emailed first.

    I see they also were very helpful in getting your file fixed up!!! That's also great to here.

  6. #56
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    Yup they were SUPER helpful!!!

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