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    Will do.......

    Will do.......
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    The conclusion i can draw from reading the...

    The conclusion i can draw from reading the Supported Vehicles List,
    is that you support the 7.4 and the 4L80E, but not in the Workhorse.

    Is it possible to have the Workhorse pre My 01 VINs...
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    Tuning 7,4 Workhorse?

    Can the HPtuner tune the 454/4L80E in a My 1999/2000 Workhorse RV chassis?

    Having had a look at the specs, and I need clarification pleae.:shrug:
  4. Me too!!! TR/Crypt.XPACK.Gen2 was found, so...

    Me too!!!

    TR/Crypt.XPACK.Gen2 was found, so Avira say.

    Any solution for this?

    I want to keep my Avira, don want to go to the trouble
    of getting a new anti vir.
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    Look at a Holden stock tune. There you will find...

    Look at a Holden stock tune.
    There you will find safe AFR and the timing increase to match the AFR.

    Done so in my hoe for 50 000 km, no issues.
    Mileage is improved by 10%.

    //
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    Jus came back from our holliday, towing a 5700...

    Jus came back from our holliday, towing a 5700 lbs TT (travel trailer).
    I used up 1550 liters E85 (413 US gallons) traveling 7000 km (4375 miles)
    in my T engine Tahoe. Never missed a beat. I am...
  7. Thread: Timing tuning..

    by tahoe
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    3,833

    This was easy, you add the same timing in "afr...

    This was easy, you add the same timing in "afr spark correction add" as stock,
    i.e at 4400 rpm and 11.77 fuel/air ratio you add 4 degres.

    At 4400 rpm and max cyl air mass, you comand 14 degrees,...
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    I was able to populate the tables in lean cruise...

    I was able to populate the tables in lean cruise (hoe m.y 03), but there is nothing happening when driving, LC does not take effect.

    //
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    I dobut it, since the switching isn´t done by...

    I dobut it, since the switching isn´t done by the=O2, but byt the ECU.
    If there is an electronic thingy between the WB O2 and the ECU fooling the ECU to switch it might be doable.

    //
  10. I Seem to remember that once there has been...

    I Seem to remember that once there has been enough knock to use the timing from the low octane table, you need to fill up your tank before the ECU start using the high oct table again. The reason...
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    The only thing that the O2 sensors and closed...

    The only thing that the O2 sensors and closed loop can and will do, is to get the combustion centered around stoich. If you adjust the stoich value in the tune, you dont change how lean/fat the...
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    It adds aprox 5%, mileage on the other hand is...

    It adds aprox 5%, mileage on the other hand is reduced by at least 30%.

    //
  13. Thread: tuning for E85

    by tahoe
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    I feel it is much easier to set the soich to...

    I feel it is much easier to set the soich to deliver close to zero LTFT running
    E85.
    It is benificial to spray on a closed valve, by doing so, you get better fuel vaporization and at the same...
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    Any body who knows?:shrug: //

    Any body who knows?:shrug:

    //
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    Why would I need to swap the electronic pedal? I...

    Why would I need to swap the electronic pedal?
    I am asuming you are refering to the pedal sensor?

    //
  16. Thread: 4.2 Running E85

    by tahoe
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    Not correct. The fuel systems on cars that...

    Not correct.
    The fuel systems on cars that fulfill OBDII has materials that are compatible with Ethanol, as opesed to Methanol.
    In Sweden there is wast eperience with this kind of conversions,...
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    As do I, that´s the reason for my question. If...

    As do I, that´s the reason for my question.
    If it is as simple as do a "write entire" with a L59 My06 file, we have true flex fuel capabillity.

    So, is this possible?
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    What is "TAC & APP Pedal"? //

    What is "TAC & APP Pedal"?


    //
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    Anyone?:worship:

    Anyone?:worship:
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    With all du respect, I beg to differ. Is it...

    With all du respect, I beg to differ.
    Is it possible to do the reprograming I wonder, since there IS a virtual fuel sensor implemented in My 2006?

    I had a look in a L59 06 tune, and in the stock...
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    Reprogram to Flex fuel?

    How can I reprogram my 04 5.3 Tahoe to the flex fuel program that use the virtual fuel sensor strategy?
    I know it was implemented in the 06 models, old body style.
    Is it a different ECU on my 06,...
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    It could be a case of a leaking valve. There...

    It could be a case of a leaking valve.
    There could be many reasons for that ocuring at high rpm/load, and not in normal driving.

    A lifter could be pumping up. (are you using a heavier oil than...
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    Doing this will not help you diagnose an exhaust...

    Doing this will not help you diagnose an exhaust back pressure issue.
    Since all cylinders get the same amount of fresh gas/air mixture, and the spark plug still fire the charge, the amount of...
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    One alternative I have used, is to run OL in all...

    One alternative I have used, is to run OL in all engine temps up to the steady cruise engine temp. Im my case (tahoe 5,3) i cruise at 89/90 C, when I increase speed or towing my caravan, the engine...
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    You wont find lean cruise active for Europe. The...

    You wont find lean cruise active for Europe.
    The emission standards are almost a carbon copy of the US OBDII,
    also aplies to emission levels.

    //
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