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  1. Replies
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    Sorry for the late response guys. Went back and...

    Sorry for the late response guys. Went back and looked at my files and I believe OS #12637084 is what I used. Didn't end up fixing my issue, but it was compatible.
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    Can you post this file please?

    Can you post this file please?
  3. Thread: need O/S 24255281

    by SPi
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    need O/S 24255281

    Looking for a stock tune file for T42 O/S 24255281 It's in a 2013 Silverado 4.8L
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    Here ya go :thumb_yello:

    Here ya go :thumb_yello:
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    Help with finding a compatible O/S E38

    Need some help finding a compatible O/S for 12639835

    Hoping I can find something with a manual transmission. I did not see this O/S listed on the compatibility list.
    Thanks in advance to anyone...
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    That's perfect, thanks so much for finding that...

    That's perfect, thanks so much for finding that ScarabEpic22
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    Anyone have a stock file with OS 12656198

    Looking for a stock file for a 2014 Camaro SS LS3 6spd std car. O.S. is 12656198 E38 ecm . If anyone has one I would really appreciate it.

    Thanks
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    2018 Silverado Minimum timing

    I have a brand new 2018 Silverado on the dyno. We just installed a P1 Procharger, truck is otherwise stock. The timing isn't staying where I want to be WOT and I've been chasing down the reason. ...
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    Any word if this has helped your issues. I am...

    Any word if this has helped your issues. I am currently tuning a GMPP ECM and harness with an LS3 crate motor and I'm having exactly the same issues. Only mods are longtubes and a cam 233/250...
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    Post your tune, or PM me with it and I would be...

    Post your tune, or PM me with it and I would be happy to take a look and compare to mine. You can email me @ spitune@live.com too
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    Abesstorage, I don't think I experienced that but...

    Abesstorage, I don't think I experienced that but I will look at some of my datalogs to confirm for you. I will say that this truck did not drive well at all until I tuned the 8spd trans. The...
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    Yah GMPX, very strange. Truck is running very...

    Yah GMPX, very strange. Truck is running very well, at least 15000 kms put on it now and that was the only issue. I would have thought it would effect other things as well.
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    Well, I moved the speed limiter lower and it...

    Well, I moved the speed limiter lower and it fixed my issue up right away!! Thanks bobo and 1906 !!
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    Thanks guys, I finally have the truck back at the...

    Thanks guys, I finally have the truck back at the shop. I'll give this a shot and report back.
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    Bump

    Bump
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    Reduced engine power 2017 Silverado

    2017 Silverado 6.2 -8 spd auto. We installed longtubes and an F1A Procharger. Truck is tuned and our client has been enjoying for a couple months now. Only real issue I have is that ever since the...
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    It can be rescaled, just not with EFI Live yet

    It can be rescaled, just not with EFI Live yet
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    OK thanks joecar

    OK thanks joecar
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    Maf

    It's that jump in the axis I am talking about. Is it possible to rescale that axis to obtain better resolution in the higher area? Im not running out Maf, but that big jump makes it difficult to...
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    2017 Siverado tune

    Here you joecar. Both MAF tables display that large spike
  21. Thread: 2017 Duramax

    by SPi
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    2017 Duramax

    Have a client that just took delivery of 3 2017 duramax trucks. Is there any support for these yet?
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    Running into this alot now, especially with the...

    Running into this alot now, especially with the 2017's . Can someone explain how to rescale the MAF table. I've done it in other software, can't see how it's done in EFI
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    Thought I should update this very odd problem. ...

    Thought I should update this very odd problem. After way too much trial and error I was able to figure out what was causing my problem. I have no idea why but as long as I don't change B2501 at all...
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    E38 flash disables TCM help!

    I have a 2008 C6 Corvette LS3 Auto in the shop for some simple mods and a tune. I am having an issue I have never come across before. Anytime I flash a tune into the ECM that is not the stock tune...
  25. Yes joecar, that is what I meant

    Yes joecar, that is what I meant
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