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  1. Thread: Hello

    by 1project2many
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    Sniper won't talk with stock transmission...

    Sniper won't talk with stock transmission controller. The transmission controller needs to know the engine is running in order to control the transmission.
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    Hello, The 4X4 vans were built from a 2wd van...

    Hello,

    The 4X4 vans were built from a 2wd van by an outside contractor. You should start with a 2wd .bin file.
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    Hello and welcome. You have a somewhat novel...

    Hello and welcome.

    You have a somewhat novel approach as most folks just drop in a V8. Is that a balance shaft engine? Is it roller cam equipped?

    Your .bin file will have a "mask"...
  4. Thread: Hello

    by 1project2many
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    3
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    88

    Welcome. Are you installing a TBI or PFI version...

    Welcome. Are you installing a TBI or PFI version of the 454?
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    495

    You're welcome. Now to find all the items that...

    You're welcome. Now to find all the items that need changing. Like the injector constant, the EGR enable temp, the volumetric efficiency tables...
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    Welcome. It's good to have folks using...

    Welcome.

    It's good to have folks using different software packages. I've done a lot of reading about 6L80E tuning on the hptuners forum.
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    Welcome to the forum. A 5.3 should move that old...

    Welcome to the forum. A 5.3 should move that old four-eyes right along.
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    I'm the site admin. bbg2020, also named Mark,...

    I'm the site admin. bbg2020, also named Mark, said he's having trouble downloading a file. I'm asking for the link so I can attempt to help.
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    Hello. In my experience when the transmission...

    Hello.

    In my experience when the transmission gearshift indicator is not visible after reprogramming it may be necessary to program the transmission controller separately. The tolerance for the...
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    Hi Mark, Can you post a link to the file?

    Hi Mark,
    Can you post a link to the file?
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    We have had several of the vans using the 0411 /...

    We have had several of the vans using the 0411 / L31 / 4L80E combination in our fleet. I have found the PRNDL doesn't show the correct gear and the transmission will default to 2nd gear if the TCM...
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    Maybe folks are referring to the average number...

    Maybe folks are referring to the average number of flash cycles that the flash chips can endure before they fail?
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    495

    Mask, short for Mask ID, is value which...

    Mask, short for Mask ID, is value which represents the calibration layout in the file. 8D is a correct mask for 90. Super_8D may be for modified code based on 8D. If it works with a stock file...
  14. Changing the transmission type does not affect...

    Changing the transmission type does not affect the fuel cut-out.

    Are you using a list of all the differences between the files? Or are you attempting to search for items that are different by...
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    There are a few different masks for the 7730 so...

    There are a few different masks for the 7730 so it's a little tough to be precise about the steps. Generally you load your definition file, open the .bin, and locate the EGR enable temperature. Set...
  16. There is a tool on this site ( Bithoist ...

    There is a tool on this site ( Bithoist ) that is able to check many (but not all) GM ObdI calibrations to see if they are stock. Additionally, many hex editors or file compare programs can do a...
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    Hi Paul, Welcome to the forum. I think you're...

    Hi Paul,

    Welcome to the forum. I think you're in the right place. I'm guessng you're using a 1227730 ecm? If so you will be in need of a fair amount of tuning to match those changes. Do you...
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    Hello, Welcome to the forum. Now that you've...

    Hello,

    Welcome to the forum. Now that you've chosen the blue pill life as a tech will never be the same. I hope we can do a good job as teachers.
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    Mark, the number one way to fail to correct a...

    Mark, the number one way to fail to correct a problem despite investing substantial effort is to fail to test systems while the problem is occurring. You will find that most of the folks here are...
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    Hi Mark, I would also suspect the injectors...

    Hi Mark,

    I would also suspect the injectors are not delivering sufficient fuel. Whether they are faulty or not they might not be able to operate properly with that much fuel pressure. ...
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    Incorrect VE affects engine operation both in...

    Incorrect VE affects engine operation both in open and closed loop. The ECM requires time to deliver fuel, check O2, make corrections, then enter those corrections into short time and / or long term...
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    :laugh: Oh the things we do to enrich our...

    :laugh:

    Oh the things we do to enrich our experiences. :)
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    Hello, I'm not sure if I can help. Do you...

    Hello,

    I'm not sure if I can help. Do you know the number for the currently installed OS, or the VIN from the original vahicle?
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    Hello and welcome. You're asking good...

    Hello and welcome.

    You're asking good questions about using an older TBI ECM on an engine it was never inteded to operate. The ECM doesn't really car about how your engine is configured. Plenty...
  25. What ecm are you using? The old C3 ecm's suchs...

    What ecm are you using? The old C3 ecm's suchs as the 747 used a VSS control strategy that really relied on VSS input. Without the VSS to alert the ecm the engine is in a moving vehicle,...
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