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Thread: TBI Chips .com help! i need a drivable truck soon

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  1. #1
    Fuel Injected! kingcat400's Avatar
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    i did just that for you. i also did it in drive.
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  2. #2
    Fuel Injected! kingcat400's Avatar
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    here is the latest log
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  3. #3
    RIP EagleMark's Avatar
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    Kyle, at this point I'd need some feedback for anything you feel needs an adjustment. You've said your real happy and I'm glad after what you went through earlier in this thread. All I get is positive feedback, so no issues?

    I can do some fine tuning to fuel tables with the last 2 logs, but nothing that is necessary or you will notice. There's barely a knock count and plenty of spark so we are way safe for a street truck. You did mention you may be hitting a fuel cutt off between 3-4 shift I'll look for.

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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  4. #4
    Fuel Injected! kingcat400's Avatar
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    the only thing i could think of is maybe lowering the lowest speed for the 1-2 shift. other than that every thing seams fine. just kind of weird driving trough the sub at 2500rpm

  5. #5
    RIP EagleMark's Avatar
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    OK I'll find that in log and adjust. Yeah 2500 RPM 1>2 shift is a little high if that is a low throttle/TPS? Like light normal cruise? It would be good at say 50% throttle...

    Of course I don't see a very light foot anywhere in your logs...

    For example hitting the fuel cut off at 98 MPH... I had changed the RPM to match the tune and didn't touch the MPH...

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  6. #6
    Fuel Injected! kingcat400's Avatar
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    ya under good accel it is nice but under light driving it gets a little loud.

    ya i have a heavy foot on back roads

    did it hit a cut off at 98? i didnt even notice it but i shut down around there when it was still pullin. this truck never pulled this hard at that speed, not that i drive that fast or anything.

  7. #7
    RIP EagleMark's Avatar
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    Looks like you hit cut off, it shifted and you let off?

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

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