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Type: Posts; User: Kitch

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  1. Replies
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    Something doesn't sound right, I don't think you...

    Something doesn't sound right, I don't think you should be maxing out your VE table just off idle and then requiring less VE under higher load/RPM.

    If I was setting up for a larger sized injector...
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    I'd agree with delcowizzid on that, I've just...

    I'd agree with delcowizzid on that, I've just experience a similar problem with a Vortec headed 350 and adding more MAP AE stopped the lean backfire.
    It would it would nearly cut out if I stood on...
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    Spark Latency table for MSD modules

    Not wanting to hijack the the 8 pin ignition modules thread, I thought I'd ask a question here.
    I have a MSD 8366 Pro-Billet dizzy, what are the latency tables that people use with the MSD module...
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    At startup I get around at 600-800 knock counts...

    At startup I get around at 600-800 knock counts cold and warmed up 250-350, I think Fast355 once mentioned this was because the knock sensor was picking up the noise from starter motor during...
  5. Here's what a generic AFR table looks like, to...

    Here's what a generic AFR table looks like, to give you a rough idea of what AFR to aim for at various KPA and RPM points.
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    177

    I've had a couple of aftermarket ignition coils...

    I've had a couple of aftermarket ignition coils die on me, can you try the original coil and see if that changes anything?
  7. From memory I set the "Open loop Idle Temperature...

    From memory I set the "Open loop Idle Temperature Threshold" to it's maximum of 151.3 and that keeps it open loop at idle, unless the engine goes above 151.3!
  8. Hi Fast, I think you're right that the problem is...

    Hi Fast, I think you're right that the problem is linked to my increased fuel pressure.
    I'm not sure that my idle parameters have qualified during deceleration, even though the throttle is closed I...
  9. My 8625 PCM using OD has some similar and some...

    My 8625 PCM using OD has some similar and some different DFCO values, yours make more sense to me.

    I have AFR surging during deceleration but it's not overly noticeable in the vehicle. Your...
  10. Try this -...

    Try this - https://forum.hptuners.com/showthread.php?44953-Bluecat-Transmission-Table-Software
  11. Thread: low BLM

    by Kitch
    Replies
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    3,282

    I guess if I had my VE table really dialed in I...

    I guess if I had my VE table really dialed in I could potentially run in open loop all the time...but it's not.
    In my case in closed loop the PCM holds onto stoich for dear life and sometimes going...
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    I've had a similar experience to brian617, my...

    I've had a similar experience to brian617, my particular 18PSI spring was very close to coil binding at 20PSI and the pressure was a bit erratic at times, it was generally consistent while running...
  13. Thread: low BLM

    by Kitch
    Replies
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    3,282

    It's hard to get my heavy van moving when closed...

    It's hard to get my heavy van moving when closed loop wants to keep it at 14.7-1, early PE helps to take over where AE runs out and certainly makes my WB AFR's look better under moderate load.
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    If you're hitting 100% duty cycle at 5200RPM then...

    If you're hitting 100% duty cycle at 5200RPM then I'd say you need to up your fuel pressure.
    Even if you lower your VE to lean back your W.O.T. AFR into the mid 12's your injector duty cycle will...
  15. Thread: low BLM

    by Kitch
    Replies
    56
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    3,282

    You have the temperature for closed loop...

    You have the temperature for closed loop activation set very low for some reason and I'd reduce the time it takes for PE to kick in.
  16. Thread: low BLM

    by Kitch
    Replies
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    3,282

    I've just started to have a look at your new bin,...

    I've just started to have a look at your new bin, you have EGR still turned on?
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    In TunerPro go to: Tools/ Parameter Finder, in...

    In TunerPro go to: Tools/ Parameter Finder, in the window that opens set the drop down box "find" to "A table" and type "spark" into the phrase box and click search.
    You should see a bunch of items...
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    In the first part of this Youtube video he talks...

    In the first part of this Youtube video he talks about selection the correct comms port, maybe that will help?
    https://www.youtube.com/watch?v=BaaV9OVrve4
  19. Thread: low BLM

    by Kitch
    Replies
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    3,282

    With my 8626 PCM the Injector flow rate value is...

    With my 8626 PCM the Injector flow rate value is also used for the TunerPro MPG calculations.
  20. Thread: low BLM

    by Kitch
    Replies
    56
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    3,282

    My PCM has provision for a scalar to set the...

    My PCM has provision for a scalar to set the "Injector Flow Rate (TBI lb/hr)", I just input the new calculated value there.
    This is not the most technical explanation but I've found if you just...
  21. Have you blended your main and idle spark tables...

    Have you blended your main and idle spark tables in the areas where they crossover (I'm assuming you have tracing turned on)?
  22. Thread: low BLM

    by Kitch
    Replies
    56
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    3,282

    Do you have a photo of your external regulator...

    Do you have a photo of your external regulator setup?
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    Just looking over a couple of logs, I have one...

    Just looking over a couple of logs, I have one with spark around 30 degrees at cruise and another with it changed to 35, if I look though the logs until I find points where the MPH, RPM, KPA and...
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    Cruise VE vs spark question?

    I just added some extra spark at cruise and now the BLM's are slightly rich, so I'd normally reduce the VE in that area but I was wondering what's better: higher VE at cruise with less spark or lower...
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    Thanks for the reply, and the confirmation. My...

    Thanks for the reply, and the confirmation.
    My AE Wideband readings are a little lean but I was about to bump the fuel pressure up a couple of PSI, so I'll just leave the AE adjustments alone at the...
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