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Thread: Looking for TPI(L98) to LS1B stock conversion TUNE

  1. #1
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    Default Looking for TPI(L98) to LS1B stock conversion TUNE

    I'm new to EFIlive. I have a 57 chevy with 85 TPI motor 700R4 trans with EFI 24x reluctor and cam sensor converting fuel injection and ignition to LS1B (2002 Camaro).I got car wired,fuel injector bank asssigned and running but I was hoping someone would have a good tune or point me in the wright direction to get one. I'm not catching on to EFIlive scanner at all

  2. #2
    Joe (Moderator) joecar's Avatar
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    You have a 5.0L tuned port injection small block, what car is it from...?

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    Joe (Moderator) joecar's Avatar
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    What is the problem with the scantool...?

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    It's a 5.7' out of !985 corvette.
    scan tool just says no configure,can't get pids are data on laptop also

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    Joe (Moderator) joecar's Avatar
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    5.7L... you might start with a 2001/2002 F-car tune and correct it... but you would also have to enter in the correct injector data (including whether the IFR is sloped or not depending on your FPR).

    You would have to take care of firing order of spark plugs and injectors, and make sure correct cylinders are assigned to each bank (so that the trims work correctly).

  6. #6
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by camaro69racer View Post
    ...
    scan tool just says no configure,can't get pids are data on laptop also
    Post some screenshots so we can see what is going on.

    Do you have the OBD2 port wired up correctly...?

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    I think I have all done just like you said except injector flow rate and fuel rail pressure.How would I find IFR for stock injector and where do I make changes(eng cal and fuel)

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    What does sloped IFR mean

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    It works for flashing.bought v2 used I think I need to redo quick start set up from reading other post. If I can !

  10. #10
    Joe (Moderator) joecar's Avatar
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    IFR = injector flow rate = table B4001
    FPR = fuel pressure regulator

    Does your FPR have a vacuum hose going to the intake manifold...? If yes, then IFR has to be flat (same value every cell); otherwise it has to be sloped (with squareroot of pressure).

    Also, IFR has to be scaled to rail pressure (which you should measure).

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