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Type: Posts; User: Xjas

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  1. Replies
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    6,963

    Is this still a thing? Downloaded the latest...

    Is this still a thing?
    Downloaded the latest stable version and now cant adjust the virtual torque.
    Do I need to download the beta version to get it working again? tried going back the version it...
  2. Its difficult to decide which way to go, it makes...

    Its difficult to decide which way to go, it makes 485rwhp now on premium, I'm at the limit of the stock pump (apparently) I want to run E85 but don't make enough power to justify a big aftermarket...
  3. Is it possible to add a GM FPCM to a vehicle that didn't have it from the factory?

    I have a 2010 VE commodore LS3 that doesn't have a FPCM from the factory and I am going to upgrade the fuel pump with a ZL1 unit.
    I see in my tune under the fuel system tab that there is an "FPCM...
  4. Replies
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    1,932

    Log driven and undriven wheel speed, SAE vehicle...

    Log driven and undriven wheel speed, SAE vehicle speed does some strange things, like it is a filtered value or averaged over time or something, if you log the 3 together you'll see that when the...
  5. on some OS the ECT multiplier is an adder table...

    on some OS the ECT multiplier is an adder table in others its a straight multiplier, not sure what year it changed.
  6. A pump would probably be fine but I doubt you...

    A pump would probably be fine but I doubt you could run a genset with one unless you're running a load that isn't very frequency sensitive, genset controllers are usually designed for the purpose of...
  7. How much load would the engine see? could you...

    How much load would the engine see? could you just set the idle speed to your required engine speed?
  8. Replies
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    2,241

    I would copy the pattern A shift scheduling into...

    I would copy the pattern A shift scheduling into pattern B as well, doubt it will fix the issue but wont hurt and rules that out as an issue.
    Why is your tyre circumference 2051 inches? Dont think...
  9. Replies
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    1,594

    Still need to tune it as you would normally,...

    Still need to tune it as you would normally, conservative spark until the fuelling is dialled in with a wide band and then see how much spark makes it happy and doesn't knock.
    While the LS3 cam is...
  10. Vacuum leak? Popping is probably from retarded...

    Vacuum leak?
    Popping is probably from retarded spark, spark is low because air flow is too high but you're seeing 16g/sec when in your tune the base idle airflow is commanding a bit under 7g/sec.
  11. Replies
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    1,305

    What time does it run? and at what MPH?, I have...

    What time does it run? and at what MPH?, I have been trying to answer the same question about locking but cant get a straight answer, seems trial and error is the only way to find out.
    Is it a...
  12. Replies
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    1,021

    What's with the large spikes in MAP pressure? Its...

    What's with the large spikes in MAP pressure? Its not backfiring into the manifold is it? You really need a wideband o2 installed to see 100% what's going on.
  13. Add some decimal places to your table, you...

    Add some decimal places to your table, you probably find that those are not all zeros.
  14. Replies
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    3,642

    OP, judging by your MAF and MAP at idle I'd say...

    OP, judging by your MAF and MAP at idle I'd say its cammed. 70kpa MAP at idle, MAF air flow around 12g/s and an idle speed of 750 indicates a cam to me.
    My LS3 when it was stock idled at 550rpm,...
  15. I had a similar thing a few years back, it was at...

    I had a similar thing a few years back, it was at a certain sport in the SD map, sold the car before I ever resolved it but I always felt it was some artefact of the SD to co-efficient conversion.
  16. Replies
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    6,707

    You guys nailed it, overfilled the trans by a...

    You guys nailed it, overfilled the trans by a litre and the problem was gone. I guess the deep pan wasn't enough by itself.

    Thanks jaydubb71 and sevinn for your help.
  17. Replies
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    6,707

    I had wondered about fluid level but it already...

    I had wondered about fluid level but it already has a deep pan and the level was checked before taking it to the track, I though the fluid issue was more around poor shifting. None the less I will...
  18. Replies
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    6,707

    I didnt word that well did I, i was refering to...

    I didnt word that well did I, i was refering to the coverter itself, not to the converter lock up clutch. I realise the converter does actually lock up as such but the slip shouldn't decrease then...
  19. Replies
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    6,707

    Drag racing converter slip issue

    I'm seeing some strange behaviour with my car when launching at the drag strip, the converter slips and starts to lock up but when the engine gets to about 5000RPM the converter slip increases...
  20. Replies
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    1,873

    Do you have any runs where you logged cylinder...

    Do you have any runs where you logged cylinder air mass? without it we cant really tell where you are on the spark table, also a wideband is a good tool to have when logging drag strip passes.
    You...
  21. Do you have logs that contain spark, airflow and...

    Do you have logs that contain spark, airflow and cylinder air mass? your trans torque is really jagged and that looks to be causing issues with your shifts, on the one-two change at about 3.56 you...
  22. Figured it out, I had to add the MAP values...

    Figured it out, I had to add the MAP values manually in the virtual VE to see those calculations, mine was only showing to 105kpa until I added the ones above that.
    It seems weird that the VE...
  23. Maybe I'm missing something as I'm not familiar...

    Maybe I'm missing something as I'm not familiar with LSA engines but the tune you posted only has the virtual VE table going to 105kpa?, if you're not using the MAF how is fuel controlled above...
  24. Thread: G8 Gt TCC Sliping

    by Xjas
    Replies
    32
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    18,165

    Is that the @50 or advertised duration? maybe...

    Is that the @50 or advertised duration? maybe post a photo of the cam card. I'm far from being an expert but a cam with more intake than exhaust duration is unusual for a N/A LS motor. Was it spec'd...
  25. Thread: G8 Gt TCC Sliping

    by Xjas
    Replies
    32
    Views
    18,165

    Your TCC slip RPM looks to me like your TCC is...

    Your TCC slip RPM looks to me like your TCC is not locking. Maybe that's why your line pressure is 0. You need to figure out why its not locking. Have you logged TCC desired slip to see what its...
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