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  1. If you're returnless/non-referenced and at 58psi,...

    If you're returnless/non-referenced and at 58psi, then the injector data is as it should be.
  2. If the data you found for scaling the injectors...

    If the data you found for scaling the injectors said "these injectors in this PCM do not need to be scaled at all, anywhere, for any reason" then yes, that'd be correct.

    Since DW doesn't have...
  3. The ECM has to be powered up and awake before you...

    The ECM has to be powered up and awake before you can scan it or read the tune out. If the ECM isn't turned on when the ignition is on, and you do a 'read' with HP Tuners and save the file, the ECM...
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    Without the log files showing it doing the thing...

    Without the log files showing it doing the thing in the cool story and the tune file being used when the logs were recorded, the cool story all by itself is going to get you nowhere.
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    The BTR shafts are real 52100 steel the same as...

    The BTR shafts are real 52100 steel the same as real bearing races are made of (and same as Jesel/T&D would use), not 4140 like nearly all of the needle bearing trunnion kits. It's not possible to...
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    All the other information is needed. Like fuel...

    All the other information is needed. Like fuel system/regulator type, and intended use (daily driver low boost, weekend toy, dedicated balls-out max boost race?), and injector dimensions (length?).
    ...
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    https://forum.hptuners.com/attachment.php?attachme...

    https://forum.hptuners.com/attachment.php?attachmentid=142573&d=1707139116
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    2009 ls9 145738 p.s. Dear forum software,...

    2009 ls9

    145738

    p.s. Dear forum software, thanks for automatically changing capital letters into lower case. That's super helpful.
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    Does it really have the dinky 29lb non-flex...

    Does it really have the dinky 29lb non-flex injectors in it instead of the original 50lb 12609749's?
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    More like 'Yet another idle issue with a +19...

    More like 'Yet another idle issue with a +19 degree [email protected] cam and trying to run MAF-only'
  11. https://forum.hptuners.com/showthread.php?109485-D...

    https://forum.hptuners.com/showthread.php?109485-Disable-LTFT-for-good-OK-And-Rear-Mufflers-change-my-STFT
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    https://briantooleyracing.com/btr-ls3-shaft-rocker...

    https://briantooleyracing.com/btr-ls3-shaft-rocker-kit.html
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    No Bosch O2 sensors on GM vehicles, please. This...

    No Bosch O2 sensors on GM vehicles, please. This little tip will save you many hours of cursing and throwing things. This is not a VW.

    Genuine GM/ACDelco or NTK or Denso (the GM/Delco will be...
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    The IAT is different - LS4 is a 100k thermistor...

    The IAT is different - LS4 is a 100k thermistor (scale goes from 47.5-100,866), LS7 (at least in the sample file I picked, since you did not specify a year/make/model or part number for which sensor...
  15. The majority of the calculations the PCM has to...

    The majority of the calculations the PCM has to do are all to answer one not-so-simple question - "right now, under all these different conditions, how long does the next injector pulse need to be?"...
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    SD OS has always not auto-failed the MAF, always...

    SD OS has always not auto-failed the MAF, always have had to still do it manually no different than the stock OS. The "SD" OS will still run just like stock with the stock MAF and stock MAF settings.
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    If the first post had been: "Hey guys, got this...

    If the first post had been:
    "Hey guys, got this thing where it runs on this tune file (file#1 attached) but doesn't on this tune file (file#2 attached). What's up?" and somebody opens the two files...
  18. "Hi, I'm new to all this. I want to make some...

    "Hi, I'm new to all this. I want to make some mistakes, do you think this will be a good place to start making some mistakes? Please don't tell me there are better ways to do it, I am VERY SMART in...
  19. I think what you don't understand yet (but will,...

    I think what you don't understand yet (but will, when it gets to dyno-time) is that a 6.0 with a cam that big and a typical dirt track drivetrain is going to make way more than your 375/375-wheel...
  20. This is going to go swell, isn't it?

    This is going to go swell, isn't it?
  21. Rather easy to turn an auto trans PCM into a...

    Rather easy to turn an auto trans PCM into a manual with Gen 3s, just disable all the trans-related DTCs and disable Abuse Mode. It's on Gen 4's where you can't convert them just by making edits,...
  22. https://www.hptuners.com/my-account/tunerepository...

    https://www.hptuners.com/my-account/tunerepository/ - don't take this as an endorsement of the 'use an 8.1 big block tune file' thing, that's just not a good idea.
  23. 98 kPa key on, idling at ~40 kPa? What do you see...

    98 kPa key on, idling at ~40 kPa? What do you see that makes you suspect it's bad? Not slyly trying to say it's not, I just didn't see anything in the log that stood out.
  24. Thread: Help.

    by blindsquirrel
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    13,095

    1963 Buick Special -...

    1963 Buick Special - https://www.ebay.com/itm/386950846379

    $3500, running/driving condition and not something that's been marinating in mousepiss for the last 4 decades, all aluminum 215 V8? It's...
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    You have HP Tuners, right? Do this. Post the...

    You have HP Tuners, right?

    Do this. Post the tune file from the original (broken) ECM, and a short log file. The log can be as little as 10 seconds of nothing but key on engine off, I just need...
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