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  1. Replies
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    11,486

    Probably this: http://www.holley.com/112-503.asp

    Probably this:
    http://www.holley.com/112-503.asp
  2. Thread: Harsh 1-2 shift

    by slow67
    Replies
    11
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    8,215

    .086 should be ok. How many amps does the PCS...

    .086 should be ok. How many amps does the PCS command during your harsh 1-2 low power shifts?
  3. Thread: Harsh 1-2 shift

    by slow67
    Replies
    11
    Views
    8,215

    What size did you drill the 2nd feed hole to? If...

    What size did you drill the 2nd feed hole to? If you drilled it to 1/8" nothing you do will get it soft, without making the feed hole smaller again (yes, its possible).

    Transgo and B&M usually...
  4. Replies
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    5,230

    I know on some computer systems changing a...

    I know on some computer systems changing a setting like that to "0" enables it all the time.
  5. Ah yes, I was looking at an earlier OS without...

    Ah yes, I was looking at an earlier OS without those.
  6. Replies
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    3,771

    X2. The scanner speedo isn't what the...

    X2. The scanner speedo isn't what the transmission goes by.
  7. It should work fine. Set all your upshift speeds...

    It should work fine. Set all your upshift speeds to 0 mph (except D0913 and D0918) to 0mph, and all your downshift speeds to 256mph.

    Set D0913 and D0918 to 255.
  8. Replies
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    8,781

    If its not using a COS and its not locked, then...

    If its not using a COS and its not locked, then yes. Download the tune with the other guys, make the changes, then re-upload. Download tune again with EFILive. If you need to do a COS, then apply it...
  9. Replies
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    8,781

    X2!

    X2!
  10. Replies
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    8,781

    This seems to be one of the few tables "The other...

    This seems to be one of the few tables "The other guys" have, but is not in EFILive. The table is called "Brake shift pressure vs Torque vs Gear". It looks backwards from a normal shift pressure...
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    3,276

    It depends. If the 8.1L had a 4L80E behind,...

    It depends. If the 8.1L had a 4L80E behind, obviously yes. If the PCM had an Allison, but has the same OS number as a tune that had a 4L80E, then yes, do a segment swap. Also, if the 4L80E has the...
  12. Replies
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    Yeah some aftermarket solenoids are...

    Yeah some aftermarket solenoids are interchangeable, others aren't.
  13. Replies
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    15,561

    If they are GM/Delco solenoids, you won't be able...

    If they are GM/Delco solenoids, you won't be able to switch them.
  14. It looks like you add pins to the PCM tune, not...

    It looks like you add pins to the PCM tune, not the TCM (set the transfer case ratio in H0121, and the speed limiter in H0155).
  15. Replies
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    One problem is they solenoids are operated by a...

    One problem is they solenoids are operated by a ground signal, not a +12V.
  16. It will work fine :cheers:

    It will work fine :cheers:
  17. Replies
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    22,148

    Yes the signal is earth, but I'm pretty sure that...

    Yes the signal is earth, but I'm pretty sure that it is impossible to lock it in low (hydraulics prevent it).
  18. Replies
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    67,065

    Has your transmission been dual fed? Did your...

    Has your transmission been dual fed? Did your builder keep the 3rd accumulator? What did he drill the 3rd feel hole to?

    You might have to log the transmission temp, then dial back the force motor...
  19. No, not a T42 tune anyway. I normally max out...

    No, not a T42 tune anyway. I normally max out both the min and max PWM tables, which makes the apply rate table basically useless.
  20. I like to max mine out and tune it like another...

    I like to max mine out and tune it like another shift. Just don't lock it up too early, or it will shudder.
  21. Replies
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    67,065

    You just have to try it.....You will know if you...

    You just have to try it.....You will know if you went too far, because the motor will misfire.....
  22. I would say not a likely scenario, usually when...

    I would say not a likely scenario, usually when they fail, its either slipping in all gears, or completely fail.

    OP, Did you do anything to the VB during the rebuild? I'm thinking maybe an AFL...
  23. a/c compressor relay circuit failure?

    a/c compressor relay circuit failure?
  24. If the shifter is in the 4th gear position, the...

    If the shifter is in the 4th gear position, the overrun clutches will never come on. The overdrive roller clutch holds power for all forward gears in the 4th gear shifter position (if it was broken,...
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    I usually set mine to 99%.

    I usually set mine to 99%.
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