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  1. Thread: ABS Logic

    by RADustin
    Replies
    5
    Views
    870

    I was thinking about this as well. Adding...

    I was thinking about this as well.

    Adding pulses though makes the tires seems smaller. I know if you go too big the abs freaks out. No info if you go "too small".

    Sucks there isn't much...
  2. Thread: ABS Logic

    by RADustin
    Replies
    5
    Views
    870

    so you're saying on the older trucks you can...

    so you're saying on the older trucks you can change the tire sizes front and rear to get the pulses/rev to closer match up?

    This is not the case on the newer trucks. I do plan on running the...
  3. Thread: ABS Logic

    by RADustin
    Replies
    5
    Views
    870

    ABS Logic

    Not really tune related, but curious what information you guys have about the ABS computer on these trucks. Most of you guys are real smart and have loads of info, so I'm hopeful someone may have a...
  4. Replies
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    1,027

    Really good information. Sucks it won

    Really good information.

    Sucks it won
  5. Replies
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    611

    adding startup airflow to LS1a

    Going to attempt a retune with my Dads LS1a car.

    I better understand the backup VE nonsense and maybe will get lucky and figure a way to tune the MAF. Anywho-

    I seem to have hit a wall...
  6. Replies
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    1,027

    so what happens if you 24x swap a 4.3 and change...

    so what happens if you 24x swap a 4.3 and change the cylinder count to 6 and update the injectors and everything from the v6 tune? Can you have a DBW COP v6?
  7. Thread: LS1A Tuning

    by RADustin
    Replies
    14
    Views
    1,573

    I understand. Thanks.

    I understand. Thanks.
  8. Thread: LS1A Tuning

    by RADustin
    Replies
    14
    Views
    1,573

    anyway to fail MAF and not be on the backup ve...

    anyway to fail MAF and not be on the backup ve table?

    can I change the DTC to do not report? I guess that wouldn't throw it in SD though..
  9. Thread: LS1A Tuning

    by RADustin
    Replies
    14
    Views
    1,573

    correct me if I'm wrong but I need to do more...

    correct me if I'm wrong but I need to do more than just open loop but also speed density to correctly tune the ve table. Right?

    so by turning off LTFT and STFT, I'm still not there. I need to...
  10. Thread: LS1A Tuning

    by RADustin
    Replies
    14
    Views
    1,573

    I completely understand and agree. ...

    I completely understand and agree.

    Unfortunately his priority is shiney showcar >>> anything else. So it is what it is.

    I'm just going to tune it with the numbers I can gather and call it...
  11. Thread: LS1A Tuning

    by RADustin
    Replies
    14
    Views
    1,573

    Its a street and performance air cleaner. I'm...

    Its a street and performance air cleaner. I'm sure it's junk for performance but it's what he has so it stays. I'll have to make it work one way or the other.

    Like this one-
    ...
  12. Thread: LS1A Tuning

    by RADustin
    Replies
    14
    Views
    1,573

    I was originally looking for GM.DYNCYLAIR or...

    I was originally looking for GM.DYNCYLAIR or GM.DYNCYLAIR_DMA but didn't notice either one as available. I'll need to retune though it appears so I can look again.

    Thanks!
  13. Thread: LS1A Tuning

    by RADustin
    Replies
    14
    Views
    1,573

    Crap OK. So can I leave MAF enabled and...

    Crap OK.

    So can I leave MAF enabled and working and still tune VE?

    EDIT: If I disable STFT and LTFT? would that work and allow me to tune VE without going to the backup table?
  14. Replies
    2
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    546

    as I 'fine tune' things I don't take all of the...

    as I 'fine tune' things I don't take all of the logs suggestion. At first I will paste and multiply. As I get closer to where I want to be I will paste and multiply (50%) or so.

    Me being...
  15. Thread: LS1A Tuning

    by RADustin
    Replies
    14
    Views
    1,573

    LS1A Tuning

    I was working on my Dad's ls1A this weekend. It's a ls1A PCM on the 385 horse Z06 engine with a cam and drive by cable. T56 car. All swapped in a 1961 Impala. Geoff at EPS provided the initial...
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    1,445

    E38/T42 running stand alone

    Stupid quick question-

    LY6(keeping VVT) with 4L65E, the preferred ECM/TCM would be E38/T42 correct? and these will run standalone just fine with no BCM?

    A/C and all gauges will be canbus? ...
  17. Thread: Bricked ECM

    by RADustin
    Replies
    9
    Views
    2,165

    As far as I know and have experienced- yes. ...

    As far as I know and have experienced- yes.

    I've never had a controller/OS mismatch cause a brick.
  18. Thread: Bricked ECM

    by RADustin
    Replies
    9
    Views
    2,165

    was your voltage good the entire time? I had...

    was your voltage good the entire time?

    I had a dip in voltage once on the bench and bricked a pcm. Got to be careful.
  19. Replies
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    778

    Best Way to Change Firing Order

    Working on a non-ls platform that has a 24x and 1x sensors added along with 4L60e and DBW. PCM is 0411. Keeping coil on plug.

    The engine/cam is the older genI firing order, 18436572.

    What...
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    2,325

    alright- sweet. Thanks!

    alright- sweet.

    Thanks!
  21. Replies
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    2,325

    can anyone confirm that on the OSs that provided...

    can anyone confirm that on the OSs that provided power or ground the O2s, that the PCM also monitored this voltage and this is how it throws a P0155?

    So basically if you have an aftermarket...
  22. Replies
    3
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    905

    start with a corvette DBW 12212156.

    start with a corvette DBW 12212156.
  23. Replies
    87
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    13,315

    setup a map to log the same axis data as the...

    setup a map to log the same axis data as the spark tables- RPM on the rows and GM.DYNCYLAIR_DMA on the columns. The data of the map is KR.

    Add 2 degrees of timing at a time globally until you...
  24. Replies
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    13,315

    1-3 g*Kelvin/kPa is about right. looks ok. ...

    1-3 g*Kelvin/kPa is about right.

    looks ok. Did you filter correctly? did you hide cells with less than 30-50 hits?
  25. Replies
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    13,315

    selben is a BEN factor. ben factors are...

    selben is a BEN factor. ben factors are pastewith labels-> multiplied. not pasted with labels(over written).

    calc.VET produces a factor(multiplier) for the MAF response and calcs a new VE.
    ...
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