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Thread: Turbo Tuning Questions

  1. #1
    Junior Member
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    Default Turbo Tuning Questions

    I have a 2007 Tahoe with a genIV LY5 5.3 and 4l60E trans. It has a E38 PFI ECM running operating system 12614088. I plan on strapping a turbo to it with a BTR cam, 80# injectors, FMIC and a built 4L60E. I will upgrade the 1-bar map to a 3-bar unit even though I wont need it with 15 pounds of boost. I will also setup a AEM Wideband via serial for logging.

    Question,
    Are the virtual VE tables all I need to tune my Tahoe? I won't need a custom OS will I?
    Last edited by fleshe; June 20th, 2018 at 02:40 PM.

  2. #2
    New Member
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    Quote Originally Posted by fleshe View Post
    I have a 2007 Tahoe with a genIV LY5 5.3 and 4l60E trans. It has a E38 PFI ECM running operating system 12614088. I plan on strapping a turbo to it with a BTR cam, 80# injectors, FMIC and a built 4L60E. I will upgrade the 1-bar map to a 3-bar unit even though I wont need it with 15 pounds of boost. I will also setup a AEM Wideband via serial for logging.

    Question,
    Is the virtual VE tables all I need to tune my Tahoe? I won't need a custom OS will I?




    Envoy

  3. #3
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by fleshe View Post
    ...
    Question,
    Are the virtual VE tables all I need to tune my Tahoe? I won't need a custom OS will I?
    Correct, the 2-bar or 3-bar VVE table (there is no custom OS for boost)... you also need a 2-bar or 3-bar MAP sensor (and you have to edit the MAP scaler).

  4. #4
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    Thank you Joecar!

    I've been browsing this forum for months now and your name is everywhere with so much knowledge!

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