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Type: Posts; User: Hemituna

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  1. Replies
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    Yes and no, Trackhawk vehicle wiring is TOTALLY...

    Yes and no, Trackhawk vehicle wiring is TOTALLY different.
    You should just use the 6.4 PCM with a smooth boost controller for the bypass valve.
    No wideband control just the 6.4 narrowbands so will...
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    The numbers in your Cam File 1 tune should work...

    The numbers in your Cam File 1 tune should work pretty well.
    Your tune has the cam at full advance (125) till 4k and then retards a total of 5 degs (120) after that.
    BTR's cam card says similar,...
  3. Boo Hoo...go pay a tuner to tune your stuff as...

    Boo Hoo...go pay a tuner to tune your stuff as that is what HP tuners is...Software for TUNERS.
    If it was easy EVERYONE would be a tuning guru.
    Or maybe look, learn, try things and then work it out...
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    The PCM will only ever show the stock cam CL...

    The PCM will only ever show the stock cam CL numbers.
    The PCM does not know you have changed the cam.
    If it is now fixed (not limited), it will stay at the max advance or lock-pin number.
    This is...
  5. Thread: Can timing

    by Hemituna
    Replies
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    46,576

    In the 6.4L stock cam example above. ICL is...

    In the 6.4L stock cam example above.
    ICL is 120.5 crank degrees ATDC (on the intake stroke)
    ECL is 120.5 crank degrees BTDC (on the exhaust stroke).
    This is why the C/L numbers go opposite ways...
  6. Thread: Can timing

    by Hemituna
    Replies
    114
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    46,576

    Actually, the numbers used/shown in PCM/HPtuners...

    Actually, the numbers used/shown in PCM/HPtuners are cam lobe C/L in crank degrees....just like you read from a crank degree wheel.

    It is the mid-point of the lobe expressed in crank degrees from...
  7. Thread: Can timing

    by Hemituna
    Replies
    114
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    46,576

    Here's one of our new cams though and I'll show...

    Here's one of our new cams though and I'll show you where it could cause trouble.

    DUR. LSA ADV OVL I/O I/C E/O E/C
    SUM-5723 5.7 TRUCK STG. 3 218 int. / 224 exh. 112.5 3.5 -4 0 38 48 -4

    This...
  8. Try enable sensed map - table 2100

    Try enable sensed map - table 2100
  9. Airflow tables, throttle tables and cam timing...

    Airflow tables, throttle tables and cam timing (and a heap of other small things) need work with a blown pentastar.
    Use this tune as a guide as to what needs changes and what doesn't.
  10. If the scanner wont clear the LT trims, just...

    If the scanner wont clear the LT trims,
    just unplug the 2 large PCM connectors for 30 secs,
    that will clear the LTFT without upsetting anything else in the vehicle that a battery disconnect might.
  11. Turn closed loop off, clear the fuel trims and...

    Turn closed loop off, clear the fuel trims and then see where you really are without 02's messing around with the fueling.
    Just put the CL enable temp higher than hot ECT to disable CL.
  12. 3.6's, 5.7's and 6.4's have narrowband O2s. Only...

    3.6's, 5.7's and 6.4's have narrowband O2s.
    Only the 6.2's have widebands.
  13. Thread: No prep tune

    by Hemituna
    Replies
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    2,426

    Leave in 2nd - all the cool kids are doing it.

    Leave in 2nd - all the cool kids are doing it.
  14. Replies
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    Yes, I have tuned my 2018 GLC63S Not sure what...

    Yes, I have tuned my 2018 GLC63S

    Not sure what you mean when you say "ECU can't be read" ?

    Pretty sure these are write only so when you connect to vehicle (with internet connection), it...
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    When at lockpin (or fully advanced) , they are...

    When at lockpin (or fully advanced) , they are 120.5LSA +14 degs advanced so intake is at 106.5 C/L and exhaust is at 134.5 C/L.

    That is why at idle when cam is at full adv, scanner will show...
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    1,443

    6.4L LSA is 120.5

    6.4L LSA is 120.5
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    Had a guy with similar issue on whipple tuned...

    Had a guy with similar issue on whipple tuned 2020 Scat pack with 3.0L that i helped tune out the surging/flutter.

    He also had the misfire/code issue but he apparently cured it as follows:
    ...
  18. Replies
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    Yes it is hitting 7k for that shift. Trans shift...

    Yes it is hitting 7k for that shift.
    Trans shift schedule number is maybe a little high....lower it and see if it helps.
    Maybe re-enable external trans tq spark reduction also....looks like you...
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    1,379

    Its tagging the rpm limit on 1-2 shift. Lower...

    Its tagging the rpm limit on 1-2 shift.
    Lower the commanded 1-2 shift point a little and it will clean up.
  20. Replies
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    Your local tuner is correct. E85 burns quite...

    Your local tuner is correct.
    E85 burns quite fast, so use only as much timing as you need to make power.
    Its easy to get sucked into running more as it doesn't knock much,
    but more timing makes...
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    Its true, seems you can raise idle in TH but not...

    Its true, seems you can raise idle in TH but not lower it below 752.
    However, I idle my 426 TH at 680rpm.
    Changed every table to 680 but commanded idle stayed at 752.
    But.....
    Found that if you...
  22. Trans table 46017 (WOT Shift) is still stock so...

    Trans table 46017 (WOT Shift) is still stock so will need to be raised.
    I raise ALL the trans shift schedule tables near pedal position 100% and at WOT to way past the rpm you desire.
    Then use the...
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    Chill bro, this what happens sometimes to "early...

    Chill bro, this what happens sometimes to "early adopters".
    If the OEM's didn't go change things (OS's) all the time, tuning would be sooo simple.
    They will get it sorted, we have all been the...
  24. That tab is only applicable to factory...

    That tab is only applicable to factory supercharged vehicles with the suitable OS.
    HP use a fairly generic template and often there are sections/tables that dont really apply to all the OS's.
    Your...
  25. Thread: Can timing

    by Hemituna
    Replies
    114
    Views
    46,576

    Corrected a little but you've got the idea for...

    Corrected a little but you've got the idea for the stock cam.
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