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Thread: what factory tune do i need to start with my car?

  1. #1
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    Default what factory tune do i need to start with my car?

    I have a 2002 5.3 engine with ls6 intake and ls6 injectors, still using 5.3 maf and 5.3 throttle body, 5.3 computer installed in my 92 camaro. Anyways I'm needing to start over on my tune because i dont remember where i left off and i dont remember what i adjusted last. what factory tune should i put back in it to start over?

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    All cable tb parts? Id use a 02 Camaro or Truck OS 12212156 for it, one of the most versatile OSs available. Gives you the ability to run COS5 if you decide to down the road.

    Grab a file off TuneFileDepot.com.
    Last edited by ScarabEpic22; December 30th, 2013 at 05:51 AM. Reason: Updated OS #
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

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    Quote Originally Posted by ScarabEpic22 View Post
    All cable tb parts? Id use a 02 Camaro or Truck OS 12216125 for it, one of the most versatile OSs available. Gives you the ability to run COS5 if you decide to down the road.

    Grab a file off TuneFileDepot.com.
    yes it is a cable tb. looking back on my files it says it is an 03 thru the vin code.

  4. #4
    Joe (Moderator) joecar's Avatar
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    Erik meant 12212156.


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    Quote Originally Posted by joecar View Post
    Erik meant 12212156.

    Yep, I just copied the # from TuneFileDepot really fast last night, that's the correct OS.

    The VIN shouldnt matter, but you need to know if it is indeed an 03 PCM as they are 1MB vs 512kb and you have to use an 03/04 OS at that point.
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

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    Okay. also i double checked my injectors and they are out of a 2000 ls1. do i need to use that injector data on my 03 tune file?

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    Quote Originally Posted by zayne0 View Post
    Okay. also i double checked my injectors and they are out of a 2000 ls1. do i need to use that injector data on my 03 tune file?
    i noticed in the comparison between the 5.3 injector and the camaro injector the "small pulsewitdth adjust" parameters are measured in different milliseconds. does this matter?

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    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by zayne0 View Post
    Okay. also i double checked my injectors and they are out of a 2000 ls1. do i need to use that injector data on my 03 tune file?
    Quote Originally Posted by zayne0 View Post
    i noticed in the comparison between the 5.3 injector and the camaro injector the "small pulsewitdth adjust" parameters are measured in different milliseconds. does this matter?
    Use the injector data that goes with the injectors.

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