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Thread: 1990 Chevy silverado Z71 5.7 TBI EFI, vortec heads with CSFI conversion. NEED HELP!

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  1. #1
    Fuel Injected!
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    I think your last question is referencing the Roadrunner Emulator that the guys are using n the 512 -411 PCM. Craig Moates did make a Roadrunner work on a Blackbox PCM, but IIRC it was very very temperature sensitive.

    The Roadrunner Emulator only allows you to make immediate changes to the calibration without reflashing, but you still need the Tunercats OBD2 or EFILIve software no matter what.

    You could rip out your blackbox PCM and your 1990 TBI ECM and use an 0411 PCM to control your whole truck. Theres no reason why you cant use the blackbox to run the whole truck either, its just that fining places to recalibrate it are less common than the 0411 PCM. In other words, the Roadrunner would only save you time lost due to flashing the PCM's, as any changes you make via the TC2/EFILive are introduced into the calibration immediately. It doesn't prevent you from having to buy any tuning software. In fact in order to buy Tunercats OBD2, you must be a Roadrunner owner, or buy the 2 at the same time. I just checked at Moates and the Roadrunner emulator is currently unavailable.
    http://www.moates.net/gm-1996present...-c-100_56.html

    peace
    Hog

  2. #2
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    Ok, so I guess I got you all confused a bit.
    Let me try to make it clear.
    I have a standard small block 5.7 EFI basically a TBI.
    I installed Vortec heads with standard Vortec manifold and standard spider injectors. Throwing away my original ecu, and installed black box computer, with all the original Vortec wiring under the hood, inside cabin I left all original wiring, and joint the two together, the Vortec wiring under the hood and original in cab, it was a pain I the ass, to fined and join all necessary wires. Fuel pump I changed as well, for a more powerful one, don't remember the make, it is used for extra powerful tuned cars, so it has enough power, and standard Vortec CSFI regulator. So that is my setup.
    Last edited by Aksl; 06-01-2016 at 11:20 PM.

  3. #3
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    I will make some pictures and post.

  4. #4
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    I guess what was confusing me, it that you said your programmer soldered something into it. Are you talking about the black PCM?

    peace
    PAuly

  5. #5
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    Yes, the black box PCM, 1996-1998, mine is 1998. Well, he soldered a socket for the chip, so he can take it off any time and reprogram it.

    So now, the chip can be easily taken off, programmed and installed just by clicking it in the socket place..
    Last edited by Aksl; 06-08-2016 at 10:47 PM.

  6. #6
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    That's an odd way to recalibrate those PCMs as they are a flash based PCM. Most people simply flash new calibrations through the OBD2 port. I use Tunercats OBD2 and I can recalibrate the 1996-97 and the 1998-2000 blackbox PCM's by plugging into the OBD2 port.

    peace
    Hog

  7. #7
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    It's not so odd if you don't have flash software!

  8. #8
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    Well, I'm not a programmer, and only have experience with Mercedes diagnosis C3 brick multiplexer that I have for my smart brabus.
    So as I understand, I need a new flash software, for my pcm, with some changes programmed for my setup.
    Is there a solution for me to knolage how to do that my self? What do I need to do it? And can I do it with eprom programmer, since I have a socket that I can take the chip of the pcm. Is their a automotive software, that can read using eprom in which I can make changes, without programming code, like eprom is usually programmes the chip with code, but which can give an easier possibility to change setting, just like in efilife, or tunercat interface?
    Thank you.

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