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  1. Replies
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    My understanding is that volume flow well and...

    My understanding is that volume flow well and truly comes into play as well as mass flow. If not, turbos would never make boost because same mass flow going through the compressor as the turbine. It...
  2. The water pump should operate in closed-loop mode...

    The water pump should operate in closed-loop mode with a target temperature when driving pretty easily. There are a handful of tables which may or may not help this. There's the water pump map-based...
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    Yes, that's understood. i was hoping to find the logic behind this and apply to MSV80.

    About that 2FA4 code and loss of power. I discovered that the DME (MSV80 in my case) will have it if the DME...
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    That byte location is for IJE0S only. There is no...

    That byte location is for IJE0S only. There is no PPK BIN for MSD80.
  5. Who tuned it? DME boost control is better than...

    Who tuned it? DME boost control is better than Haltech IMO. I've used both. I would not see boost control as any part of a reason to piggy back a Hathech on.

    Make sure spool mode is enabled.
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    AFR at 6000rpm looks to be 13:1 at best. That's...

    AFR at 6000rpm looks to be 13:1 at best. That's too lean if the recorded AFR is correct. Most likely worse in reality though. Fuel is your friend!
  7. Thread: XDF Progress

    by bradsm87
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    26,664

    That map voltage scaling is awesome. That will...

    That map voltage scaling is awesome. That will allow people to get the best table resolution for their individual boost target. Well done to all involved!
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    My understanding is that with 4/2, the JB4 will...

    My understanding is that with 4/2, the JB4 will target whatever load the DME load target requests. That's how I had my JB4 working. eg. Map 1 but DME requests 17psi to JB4 targets 17psi.

    Have you...
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    Melting spark plugs and O2 sensors as well as...

    Melting spark plugs and O2 sensors as well as struggling to push timing - you're probably running too lean. Are you running the latest JB4 firmware with the O2 sensor pressure correction for single...
  10. Very interesting! I'm so tempted now to just go...

    Very interesting! I'm so tempted now to just go inlets, machine smooth openings into the stock turbo compressor inlets and build some nice compressor outlet pipes instead of waiting forever to afford...
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    Perfect except I would not recommend flashing a...

    Perfect except I would not recommend flashing a BIN generated by that tool. I'd instead flash that ZB number with WinWFP then read it back with MHD or BB then mod the 4C9C8 byte. WinKFP generates...
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    I've continued where jyamona@motiv left off with...

    I've continued where jyamona@motiv left off with this. I was hoping to have at least IJE0S done by now but it's silly season and spare time has become nil so realistically, I'll continue work on it...
  13. Although I haven't tested the ASR emergency ramp...

    Although I haven't tested the ASR emergency ramp table properly due to lack of rain, I'm 95% sure it doesn't do what we want. I know the rough spot where the ASR disable toggle would be but have no...
  14. I'm pretty much sea level.

    I'm pretty much sea level.
  15. +1000! Most of all, I just really hope that...

    +1000!

    Most of all, I just really hope that anybody that makes any income from anything N54 tuning/upgrade related, makes some decent donations to Jake for his work, ESPECIALLY if they're tuners...
  16. YES! I've been in IT support for 11 years and...

    YES!

    I've been in IT support for 11 years and the customers pretty much imply it's my fault and therefore they should not be billed if their computer ever has a problem BUT when everything's...
  17. What you're talking about is different to what...

    What you're talking about is different to what Jake is talking about. At least you make money with every sale (minus the odd nightmare which happens from time to time). Jake works off very few...
  18. At around 4000rpm, I am 13.5psi and the boost...

    At around 4000rpm, I am 13.5psi and the boost setpoint is 2.05. Is that abnormal?
  19. Agreed. That's why it's so tough to fix because...

    Agreed. That's why it's so tough to fix because airflow changes depending on conditions but the spike happens at the same RPM.
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    I thought N55 PPK doesn't have those checks based...

    I thought N55 PPK doesn't have those checks based on the fact there is a guide for flashing PPK on N55. Have you sent a blank coding file using NCS Expert as per the guide? The reason shifts seem...
  21. I run 13-14psi of boost and trust me, I have put...

    I run 13-14psi of boost and trust me, I have put the dip where the spike happens. I have over 50 logs saying so LOL. For top end, I already have my base and adder cells going to 350. That's all my...
  22. Unfortunately not. After I upgrade turbos and...

    Unfortunately not. After I upgrade turbos and inlets, I'm going to start a tune from scratch using the PPK bin as a base and hope/prey that either the turbos, inlets, PPK/IS boost control or...
  23. Except I'm AT, have load per gear set up to grip...

    Except I'm AT, have load per gear set up to grip and these cars don't let us get on the brake haha.

    If I get more motivation, I'll return full load targets to 1st and do the testing in 1st.
  24. The road's still looking very dry at this stage....

    The road's still looking very dry at this stage. I had a thought (that hopefully isn't true because that would bring us back to the drawing board) that these limiting gradients are for how quickly...
  25. Thread: XDF Progress

    by bradsm87
    Replies
    550
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    26,664

    I've seen a lot of "Default Value" in the title...

    I've seen a lot of "Default Value" in the title differ from what's in the sample. I suspect that the default value is a very generic value that Siemens, Bosch or whoever it is throw in there before...
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