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Thread: no 3.8 support?

  1. #41
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    Bump, new pre-release has reading support for these V6 PCMs. Start reading 'em out and sending them into support!
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  2. #42
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    Nov 2006
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    Quote Originally Posted by Madspeed View Post
    hmmmmmm how could i setup the cng injection to be controlled by the ecm and not have a huge difference in mapping. I guess Id need to tune it via pressure and wideband o2 to keep it within fuel trims? next issue is the timming increase. would you think the ecm will keep pushing timing limets fast enough and far enough to regain some of the lost power?
    You need a omni-tuner dual-flash pcm.
    Noodih on 3800pro does them at pcmcalibrators.net

    What is the OmniTuner DUAL-FLASH?

    The OmniTuner DUAL-FLASH is a member of the OmniTuner line of products by Digital Inflection Corporation. This device allows you to install two separate flash chips in one Powertrain Control Module. Most GM Generation III applications are supported but when ordering specify which PCM you have so that the DUAL-FLASH has the proper flash chips installed. GM used both 512k and 1 megabyte flash chips in the GEN III PCMs.

    The DUAL-FLASH replaces the flash chip that was installed by the factory with two separate OEM flash chips that individually appear to the PCM as a single flash chip when selected. Through the use of a switch of your choice you have the ability to select which one of these flash chips is used by the PCM. You have the ability to switch between flash chips only when the ignition is in the “off” position to prevent accidently switching between flash chips when the car is running.

    Possible applications for the DUAL-FLASH include tuning a vehicle for multiple fuels, assuming this tuning is compliant with emission regulations. You can use ethanol based fuels when available and switch back to conventional fuels when desired. Additionally you might choose to tune one flash chip for fuel economy but leave the other flash chip stock. Any tune that you can flash to a stock PCM can be flashed to either one of the flash chips of a DUAL-FLASH enabled PCM.
    While your there ask him about converting your single bank 02 3800 to a dual bank 02 3800 like the f-bodies use.

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