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Type: Posts; User: Jim P

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  1. Replies
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    339

    It?s fine, post it up and I can take a look and...

    It?s fine, post it up and I can take a look and see if I can find the transmission section. If it?s anything like the 68RFE I could set your file to be able to have full lock shifts
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    I wouldn?t think it would be the same as flywheel...

    I wouldn?t think it would be the same as flywheel torque. While the TC is in direct coupling mode it would have same torque theoretically as the the flywheel, not 100% though as there is still some...
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    Don?t know, never looked at the 65RFE. Post up...

    Don?t know, never looked at the 65RFE. Post up your file and I?ll see if I can locate the transmission section.
  4. Thread: Bricked ecm?

    by Jim P
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    94

    Low battery voltage during writing can cause all...

    Low battery voltage during writing can cause all sorts of issues.
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    I?m traveling so I can?t actually download and...

    I?m traveling so I can?t actually download and see what you did
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    1,490

    Loading and testing is the best way to find how...

    Loading and testing is the best way to find how it runs and if like it or not
  7. Replies
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    1,397

    Getting close 👍🏻 Driving cross country next two...

    Getting close 👍🏻 Driving cross country next two days, once done traveling I can put a lot more focus on it to get it done.
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    There are differences in how the ecm chooses to...

    There are differences in how the ecm chooses to use the correction tables and some other little differences but nothing so far out there it needs to be treated differently from the 04.5-07.
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    It?s the threshold at which downshift occurs. If...

    It?s the threshold at which downshift occurs. If you raise the rpms at which downshift occurs the sooner it will hit that threshold to command downshift. The rpm doesn?t go to zero when you coast...
  10. Thread: boost control

    by Jim P
    Replies
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    365

    More or less, yes

    More or less, yes
  11. Replies
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    Haha! Let?s just say it?s not as simple as...

    Haha! Let?s just say it?s not as simple as clicking a button lol. It took me and one other guy months to figure it all out and each of us months afterwards to develop the shift and lockup schedules...
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    You need to purchase user defined parameters,...

    You need to purchase user defined parameters, learn hexadecimal, learn how to create user defined parameter files and know what to look for or how to find what you are looking for to get the hidden...
  13. Thread: boost control

    by Jim P
    Replies
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    365

    With min wastegate solenoid duty cycle back down...

    With min wastegate solenoid duty cycle back down to 0% your desired estimated airflow tables should work properly to control the wastegate solenoid.
  14. Thread: boost control

    by Jim P
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    365

    It forces your wastegate solenoid dutycycle to be...

    It forces your wastegate solenoid dutycycle to be no less than 80%, so it?s forcing it to stay more closed or in other words not allowing it to open as much.
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    Yes the 48RE has shift lag times it has to...

    Yes the 48RE has shift lag times it has to relearn after an ecm flash. If you?ve messed the shift tables without making the necessary modifications needed in hidden parameters it?ll throw things off...
  16. Thread: boost control

    by Jim P
    Replies
    24
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    365

    Well said.

    Well said.
  17. Thread: boost control

    by Jim P
    Replies
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    365

    40 psi max on stock turbo, you?ll be right on the...

    40 psi max on stock turbo, you?ll be right on the edge of what it can push. Turbos move air more easily at higher altitudes than they do at sea level.
  18. Thread: boost control

    by Jim P
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    365

    Max effort on stock turbo and injectors is about...

    Max effort on stock turbo and injectors is about 3200us duration, 175-180MPa fuel pressure and 32* main timing, can go higher on timing but I would use a dyno to watch what happens with your torque...
  19. Thread: boost control

    by Jim P
    Replies
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    365

    I would invest in a boost gauge and pyro. That...

    I would invest in a boost gauge and pyro. That turbo speed parameter shouldn?t be available, it?s meant for vgt turbo control. You?ll need to use timing and fueling control to control max boost. ...
  20. Thread: boost control

    by Jim P
    Replies
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    365

    If you go to the airflow tab, all the tables...

    If you go to the airflow tab, all the tables under estimated airflow, those are a part of what determines your final wastegate solenoid position to control boost/airflow.

    If you subtract your map...
  21. Thread: boost control

    by Jim P
    Replies
    24
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    365

    Don?t need to mess with the turbo speed settings.

    Don?t need to mess with the turbo speed settings.
  22. Thread: boost control

    by Jim P
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    365

    What?s your model year?

    What?s your model year?
  23. Thread: boost control

    by Jim P
    Replies
    24
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    365

    You also have your charge air flow tables, which...

    You also have your charge air flow tables, which control the wastegate solenoid, then fueling has to be high enough to push the turbo harder. Timing will affect boost as well.
  24. Thread: 2003 Skim

    by Jim P
    Replies
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    100

    Gotta send the ecm in to a company that can reset...

    Gotta send the ecm in to a company that can reset it to not be linked to a skim module. Make sure the skim module is removed from the truck before putting the ecm back in or else it will detect it...
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    Noah, it looks to be running pretty decent. You...

    Noah, it looks to be running pretty decent. You are really easy on the throttle though so it?s hard to get a bigger picture of things. I can see you need to tweaking to your rail pressure control...
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