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Thread: Opensource LS Flashing(It's Closer Than You Think)

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  1. #1
    Fuel Injected! brian617's Avatar
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    I'll give the Tractix a try, need to build a bench harness first. If that doesn't work I'm in no hurry and will wait.

    Thanks Guys
    89 K1500 Scottsdale 5.7L 5spd 3:42 RamJet cam Dart iron TBI heads 427 PCM swap
    95 C2500 Cheyenne 6.5L turbo diesel 4L80e 4:10 DB2-4911 Manual pump conversion 0411 PCM trans control 2Bar COS
    05 Outback XT 2.5L turbo gas auto

  2. #2
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    I am going to work towards trying this. My computer that I use for tuning doesn’t have Bluetooth. I see there are several OBDLink units available. I see one that is OBDLink USB. Just to make sure, that one will work, right?
    6395, BHDF, 7.4 BBC lightly modded now 6395 BMHM back to BHDF

  3. #3
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    The OBDLink SX is USB-only, and it is supported.

    You might also consider getting the LX and a USB bluetooth adapter. I haven't tried that myself, but it should work just as well, and there are a bunch of adapters on Amazon for $10-$15 shipped.

    All features work with all interfaces, the only difference is speed. This table is overdue for a refresh, but it gives you a rough idea of what to expect:
    https://github.com/LegacyNsfw/PcmHac...nd-Write-Times

    The "DVI" row of that table is the one that's still being developed.

  4. #4
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    I have an SX cable and it takes me right at 50 minutes to read an 0411, haven't tried a full flash yet. I wished I knew how to make my TECH 2 work with it as that would flash ALOT faster.
    1995 GMC K2500 SUBURBAN 2001 LB7 DURAMAX/ALLISON swap, mostly stock, tuned by me with EFILive

    1999 Tahoe 2 door 2X4, 5.7l with 0411 swap, and marine intake

  5. #5
    LT1 specialist steveo's Avatar
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    Quote Originally Posted by THEFERMANATOR View Post
    I have an SX cable and it takes me right at 50 minutes to read an 0411, haven't tried a full flash yet. I wished I knew how to make my TECH 2 work with it as that would flash ALOT faster.
    but how long just for the calibration?

    ...how often do you really need to flash more than the calibration?

  6. #6
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    Calibration write with the SX is about four and a half minutes. Full OS write is something that you might never need, or might want to do once or twice - for example if you want to swap in a PCM that came from another car. Or if we start making progress on an open source custom OS, and come up with something useful. :)

  7. #7
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    NSFW!

    Just wanted to say !!Thank You!! for the work you (and others) have done to get this latest version of PCM Hammer out into the wild. I've been distracted with other stuff, but will get a chance soon to test this and I will report back.

  8. #8
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    Quote Originally Posted by steveo View Post
    but how long just for the calibration?

    ...how often do you really need to flash more than the calibration?
    That was just for a read, not a write. I've done 3 reads now on 2 different PCM's, and it has averaged 50 minutes for each read. Cal flashes were pretty quick though.
    1995 GMC K2500 SUBURBAN 2001 LB7 DURAMAX/ALLISON swap, mostly stock, tuned by me with EFILive

    1999 Tahoe 2 door 2X4, 5.7l with 0411 swap, and marine intake

  9. #9
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    I have posts up in so many places these days that I often forget to update posts from time to time......

    With that being said.... I've been developing a tool with Envyous Customs as an alternative to the Allpro (since it is no longer avaible).... and I wanted something that would also work with my Android app over Bluetooth.

    And it needed to be fast......


    https://youtu.be/ImU5L5yQLTQ
    Last edited by PeteS; 11-06-2019 at 10:23 AM.

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