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    if you do want to do it eehack's log format is...

    if you do want to do it

    eehack's log format is obviously designed to differentiate between data packets based on a pair of 8 bit values, the device and the message number

    so one approach is...
  2. Thread: spark advance

    by steveo
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    if your o2 voltage is below switch point at...

    if your o2 voltage is below switch point at anything but cruise or closed loop, you're lean. need to add some more fuel.

    maybe spark isnt your problem at all?
  3. Thread: spark advance

    by steveo
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    198

    park brake or transmission park/neutral? ...

    park brake or transmission park/neutral?

    they're very different things.

    i've never seen an oldschool GM ecm where the park brake switch does anything

    park/neutral or shift position switch...
  4. Thread: spark advance

    by steveo
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    198

    if it's knocking definitely remove some spark...

    if it's knocking definitely remove some spark advance. if it still knocks there remove some more. if it still doesnt' go away you might have false knock (mechanical noise or knock filter no good for...
  5. actually adding new items to the ADX is pretty...

    actually adding new items to the ADX is pretty simple but you'd have to do this one manually. it'll be really fun to learn and you can share your results with others, they'll really appreciate it,...
  6. Thread: spark advance

    by steveo
    Replies
    11
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    198

    trimalyzer does have a knock analyzer built into...

    trimalyzer does have a knock analyzer built into it but knock analysis is as good as it gets, no tool will automatically tune spark (too dangerous, needs a practiced hand)

    spark advance is tricky...
  7. wow that 32B definition really sucks yet...

    wow that 32B definition really sucks

    yet another one-year ecm that nobody has put time into

    i guess for the time being you can flash your error codes with the ol' paperclip trick and get the...
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    - connect serial adapter rx and tx, and aldl data...

    - connect serial adapter rx and tx, and aldl data wire together
    - connect ground to vehicle ground
    - set adapter to 5v if it isn't already

    hope that's enough of a walkthrough, it's pretty simple
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    for reliability id splice into the wiring behind...

    for reliability id splice into the wiring behind the aldl port rather than trying to use the aldl port pins

    mount it nicely and you'll have a usb port built into your car to tune with
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    welcome. don't know what cam you're planning but...

    welcome. don't know what cam you're planning but the 7747 has a good closed loop system, it'll probably run half-assed alright before you tune it, so you'll have lots of time to learn while you're...
  11. just throw that thing through the oil temp input...

    just throw that thing through the oil temp input (useless sensor)... it's logged on the standard datastream, i'm sure we can help you get it into your ADX file so it'll display on the dashboard
    ...
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    now that i think of it, there was a really nice...

    now that i think of it, there was a really nice guy i used to talk to with an lt1, no vss, and vintage a/c with no sensors in a 1st gen with idle problems. pretty much same as you. if problem...
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    if you don't have a VSS you're going to have...

    if you don't have a VSS you're going to have bizarre idle problems. the stock lt1 code needs to know whether you're moving or not. when moving you get open loop idle (it adds steps) and when...
  14. Thread: TP Dash Display

    by steveo
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    674

    only kinda. an otg adapter tells the host its...

    only kinda. an otg adapter tells the host its providing power but not accepting it. there are adaptors that sometimes help with that
  15. actually im pretty sure if you just use fbody...

    actually im pretty sure if you just use fbody mode you're good to go. there will be no bus master without the ccm so fairly easy for eehack to take over
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    welcome, nice to have another LT1 around best...

    welcome, nice to have another LT1 around

    best way to see what's been done is compare that bin with the original calibration in tunerpro using the bin compare tool with a good definition so you can...
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    i can't imagine i'll have the time to implement...

    i can't imagine i'll have the time to implement and test supporting another serial port wideband input, the way eehack is written that'd be an entirely different datastream, it wasn't written with...
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    the manual for your swap kit says it's a 7747 GM...

    the manual for your swap kit says it's a 7747 GM ECM.

    it later mentions using an 88 or 89 truck with engine E or K code when connecting an obd scanner. so i'd guess it's running $42 or similar
    ...
  19. Thread: TP Dash Display

    by steveo
    Replies
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    674

    only the adx is needed it's probably an issue...

    only the adx is needed

    it's probably an issue with your cabling

    there's a (small) difference between a female to female usb coupler (which is a mostly useless device) and a usb OTG adaptor
    ...
  20. its not really challenging at all its a dual...

    its not really challenging at all

    its a dual mode ecm. when the maf works, ve tables in ee are unused

    it takes maf freq and translates to airflow afgs with the maf table, and uses that for its...
  21. pm replied, thank you for your contribution(s). ...

    pm replied, thank you for your contribution(s). i'll give it a good shot at making that chipset work with next eehack version, but it might take modifications to QT's serial layer
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    if you disconnect the PC side, eehack will...

    if you disconnect the PC side, eehack will probably just freeze.

    if you disconnect the cable side, theoretically, the ecm has not recieved the checksum of that packet and should discard it, never...
  23. hey there mr. hbomb, i just had a thought how...

    hey there mr. hbomb, i just had a thought

    how about since this FT232BL chipset doesn't work for you anyways,

    ..... would you loan it to me for a few months so i can learn why it doesn't work...
  24. that's great you figured it out, i should look...

    that's great you figured it out, i should look into WHY it does that

    i'd never heard of the FT232BL

    it has nothing to do with being a 'flashing program', i can promise you that, the serial comm...
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    it does analyze arbitrary values now, it was...

    it does analyze arbitrary values now, it was broken before.

    you can point it at anything and it'll plot the percentage difference against a single target value, but it wont use a secondary field...
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