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Thread: 05 2500hd lq4 to a l96

  1. #1
    Potential Tuner walt171's Avatar
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    05 2500hd lq4 to a l96

    i have a 2005 2500hd gmc 6.0 lq4 truck installed L96 from a box truck unit.
    Used the -
    -lingenfelter conversion box
    -3 bolt truck Narris cam (removed vvt setup)
    -long tube headers
    -12613412 gm injectors 50lbs @58 psi,
    -stock TB from the lq4 with adapter plate
    -4l80 trans

    won't start because of to much fuel

    looking for base tune to start with
    Last edited by walt171; 10-18-2023 at 06:20 AM.

  2. #2
    Potential Tuner walt171's Avatar
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    Bump

  3. #3
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    Did you change the injector data in the tune?
    Are you sure its getting spark?
    Post your tune?

  4. #4
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    Quote Originally Posted by walt171 View Post
    i have a 2005 2500hd gmc 6.0 lq4 truck installed L96 from a box truck unit.
    Used the -
    -lingenfelter conversion box
    -3 bolt truck Narris cam (removed vvt setup)
    -long tube headers
    -12613412 gm injectors 44lbs @58 psi, (These injectors are 50# not 44#)
    -stock TB from the lq4 with adapter plate
    -4l80 trans

    won't start because of to much fuel

    looking for base tune to start with
    Slight correction for ya.

  5. #5
    Potential Tuner walt171's Avatar
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    Not sure where to do it or how too, I never messed with the program,
    Last edited by walt171; 10-26-2023 at 06:56 AM.

  6. #6
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    Quote Originally Posted by walt171 View Post
    Not sure where to do it or hoe too, I never messed with the program,
    Time to start reading. Start with the FAQ for the particular tuning section that covers your platform.

  7. #7
    Potential Tuner walt171's Avatar
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    2005 silverado walt henry 5.hpt

    getting big gaps in sparks on 1-5-7-6-8 almost like no spark, new plugs and wires,
    Last edited by walt171; 10-26-2023 at 10:05 PM.

  8. #8
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    Quote Originally Posted by walt171 View Post
    2005 silverado walt henry 5.hpt

    getting big gaps in sparks on 1-5-7-6-8 almost like no spark, new plugs and wires,
    What does this mean?