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  1. #1
    Electronic Ignition! WoodButcher's Avatar
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    yep, yep, the 4.3 in my '93, OBD1. It runs fine now, I'm just putting a few more cubes under the hood.

    I have my netbook hooked up to my '93 and have TunerPro RT and Datamaster 0D 3.4.1 but I'm fluent in neither
    I need to do a little learnin' with it, get TunerPro up and running. I've got data Master logging but still I'm clueless.
    I'd like to blame it on Alzheimer's but that wouldn't fly. alcohol? nah,,, quit back in '95. hmm maybe I'm just lazy...
    Bruce
    '97 GMC Safari, work van, 4.3 CSFI work van
    '93 Safari, (my hot rod) 355, TBI
    My build thread engine swap starts here-
    http://www.astrosafari.com/viewtopic...rt=100#p537417

  2. #2
    Super Moderator dave w's Avatar
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    Can you post the DataMaster log file (.uni)? I don't think your lazy, maybe need a study partner / mentor?

    dave w

  3. #3
    Electronic Ignition! WoodButcher's Avatar
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    I just gave it a shot but the site said my attachment was to big. 2,173 KB
    I'll be running up to Mom's tomorrow to bring her laundry and do her shopping so I'll get a smaller sample then. Shame you can't get this one as the egr code shows, dtc 32 if I'm right. Damn SES lights when I'm on the road but turns off on restart. Doesn't set a hard code.
    Not that I plan to fix this engine but if someone at astrosafari needs it, it would be nice to know what goes on. It has 150K on it and blows a little smoke at first start of the day but other than that it's strong so she would be a good candidate for a quick rebuild.
    Bruce
    '97 GMC Safari, work van, 4.3 CSFI work van
    '93 Safari, (my hot rod) 355, TBI
    My build thread engine swap starts here-
    http://www.astrosafari.com/viewtopic...rt=100#p537417

  4. #4
    Super Moderator dave w's Avatar
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    Thanks for trying to attach the .uni file.

    I just attached a 2.8 Meg .uni file, as a .zip file.

    Right click the the file you want to zip.
    Then scroll down to "Send To"
    Then click "Compressed zip" ... Done
    See screen shot sample.

    The 2.8 Meg file became about .5 Meg which will attach.

    I've also attached a screen shot of the Histogram of the attached .uni. Red is NOT GOOD! I think this file was recorded from a custom chip purchased from an ebay seller. (The file is about 5 years old) In all fairness to the custom chip ebay seller, I had the advantage of being with the vehicle. In all fairness to the ebay custom chip seller, the vehicle owner was skeptical of my services so it was a competition who provided the better correction using the same data log. My corrections worked out better than ebay chip seller. The vehicle owner returned his custom chip, and proceeded to use my services.

    dave w
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  5. #5
    Electronic Ignition! WoodButcher's Avatar
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    attached file
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    Bruce
    '97 GMC Safari, work van, 4.3 CSFI work van
    '93 Safari, (my hot rod) 355, TBI
    My build thread engine swap starts here-
    http://www.astrosafari.com/viewtopic...rt=100#p537417

  6. #6
    Electronic Ignition! WoodButcher's Avatar
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    again

    damn netbook is slower than I am!
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    Bruce
    '97 GMC Safari, work van, 4.3 CSFI work van
    '93 Safari, (my hot rod) 355, TBI
    My build thread engine swap starts here-
    http://www.astrosafari.com/viewtopic...rt=100#p537417

  7. #7
    Super Moderator dave w's Avatar
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    Quote Originally Posted by WoodButcher View Post
    again

    damn netbook is slower than I am!
    I played back the log, see attached screen shot. Overall, it's lean. Maybe the EGR is the cause of the lean condition?

    If it was my vehicle, I'd either fix the EGR or disable the EGR in the PROM chip. If I decided to disable the EGR, I'd use an adapter board for the replacement PROM chip, see attached picture.

    I'm thinking you are going to replace the engine soon, it might be OK to leave the EGR as is?

    dave w
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