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    Add LSA Supercharger to Colorado E67 OS

    Hi all. Somewhat of a rare situation, I'm looking at what is required to add an LSA supercharger to my 2009 Colorado V8 w/E67. I "think" I have to stay with the stock Colorado E67 OS, because the...
  2. Check My Thinking Please, Engine Swap Table Transplant Question(s)

    2009 Colorado engine swap from 5.3L (LH8) to 6.2L (L9H but installed LS3 cam). Gen IV. E67 ECM. Retain L92 truck manifold, and use same 87mm throttle body and MAF on Colorado now. Source tune...
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    Gravy. I can offer the same for free for...

    Gravy.

    I can offer the same for free for anybody else wanting the same now that I paid. That specific subscription is good for a while now, I think 2 years. Just pay for the shipping of the...
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    6L80e T43 OS Change Success 2007-2009

    Just a quick note that I was able to bench re-flash the OS of a 2007 T43 to 2009 OS by using the GM TiS2Web SPS and the Speartech harness. I had my E67 on the harness as well. Different VIN in...
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    Disregard above request. Will @ help counter was...

    Disregard above request. Will @ help counter was expedient in resolving the dissolved username and MPVI2 unlink. All set now, thank you.
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    Stock Tune Post Request From Repository

    Hello. I have submitted a help ticket about a week ago and awaiting resolution, as the link between my MPVI2 interface and account login has disconnected for some reason. Seems to be correlated...
  7. 5FDP, thank you very much. I'm excited to open...

    5FDP, thank you very much. I'm excited to open both files and start transferring to build my initial start calibration file ("tune"). Been doing a ton of reading, and feeling more confident in most...
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    Ticket submitted. Thanks. Seems my original...

    Ticket submitted. Thanks. Seems my original login was wiped out during the transition over to the 12 character password requirement on main HPT page, says user doesn?t exist, but it used to and the...
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    I'm unable to access the Tune Repository, yet...

    I'm unable to access the Tune Repository, yet used to be able to. HPT webpage can't find my MPVI 2 device to add it, and when I type in the interface #'s manually (as it sits on my desk and...
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    Understood. Thanks for your reply. I'll go...

    Understood. Thanks for your reply. I'll go ahead and start with the L9H (flex fuel L92) cal then, and copy most of those fueling and timing tables over. Would be even easier if there was a non-VVT...
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    Injector Flow Data

    Hi all. If I am running an all stock LS3 on an E67, and copy the tune from the repository for the crate 6.2L 430hp motor, yet I am running the higher flow E85 truck injectors, will the appropriate...
  12. Truck vs Car Throttle Body, Control, Tables, E67

    Getting ready to swap an LS3 into my 5.3L Colorado. Will likely copy all the tune tables over from the GM crate LS3/430 E67 to my E67 to have a start and run tune.

    The LS3 uses a protruding...
  13. Thanks, that's the direction I was looking for. ...

    Thanks, that's the direction I was looking for. Very helpful, sorry for so green.

    Because engine is an LS3 build (stock GM LS3 cam), should I instead copy over the tables from an LS3 car vs L92...
  14. E67 5.3L (LH8) to 6.2L (LS3) Tune Change Advice

    Greetings. New HPT user here. Have bought and ran the program enough to remove the cats and monitors, speed limiter, and add electric PWM fan successfully on to my 2009 5.3L Colorado. Also now...
  15. Makes sense. Thanks for detailing the areas, I...

    Makes sense. Thanks for detailing the areas, I really appreciate it, and will start building the file when I get home tonight.

    Still open to other paths if somebody has a decent fitting E67...
  16. Repository Recommendation for E67 5.3L to 6.2L Swap

    Good morning all. I'll soon be swapping out the stock factory 5.3L LH8 in my Colorado with a 6.2L stock LS3 build. Only variance from full LS3 is I will instead be using the stock L92 truck intake...
  17. Add Turbo Fueling to E67 OS Which Did Not Originally Have?

    Hi all. I'm looking to add a low level of turbo boost (10psi or less) to my factory V8 Colorado, 2009 5.3L E67. Can this be done via HPT using the factory operating system? I think I need to keep...
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    I don’t have a 2009 TEHCM. I only have the 2007...

    I don’t have a 2009 TEHCM. I only have the 2007 it came with. Difficult to find a place that will just sell a used 2009 TEHCM, without the rest of the trans.

    Even if I bought a new TEHCM, it...
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    6L80 T43 OS Reflash Question

    Hi all. I have a 2007 6L80, but want the internal T43 controller reflashed to 2009 operating system. I plan to use it in my 2009 Colorado, and most say need to match PCM and TCM years to insure...
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    Looking to Pay for E67 Calibration

    Well, I welcome myself to HPT officially, as I just recently purchased the setup and credits at Christmas.

    I have a factory 2009 Colorado V8 (5.3L), and am about to drop a 6.2L in its place. This...
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    E67 Differences? 2009 vs 2010-2012?

    Dealer reporting different E67 part number used for 2009 Colorado V8 vs 2010-2012 model. ECM service part numbers 12636659 vs 12678513, respectively. Does anybody know what the difference is? I...
  22. Compatibility Check Input, Please and Thanks

    Hi all. I have spent a ton of time researching, and have a few questions outstanding. Checking path suggestions to perform what I want to do. Appreciate your input before I continue to purchase...
  23. T43 Operating System Year Compatibility 07-09

    Hi all,

    Searched, could not find.

    Can a 2007 T43 be reflashed with a 2009 operating system (OS) via GM MDI subscription?

    Thanks.
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    Another possibility would be to uprate my 2009...

    Another possibility would be to uprate my 2009 Colorado E67 to 2012 operating system, and then not have to change anything regarding the T43? Or am I on the wrong path entirely with that?
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    2012 6L80e Back-Date With 2009 T43?

    Hi all. Have done some deep diving, and mostly come up with the same story, but there was one exception, so now my confidence is dented.

    I have a good buy lined up on a 2012 6L80e 4x4 trans, but...
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