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  1. Welcome to the forum. That's a nice collection...

    Welcome to the forum. That's a nice collection of trucks to play with. The TBI engines were super reliable and with a little work could be made to respond fairly well. Personally I think the...
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    Welcome to the forum. Plenty of folks here have...

    Welcome to the forum. Plenty of folks here have an ongoing list of projects so you're not alone there.

    The 7060 ecm was used with the 7.4 in 91-92 so you could find or burn a prom for that ecm....
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    Welcome. Thanks for joining.

    Welcome. Thanks for joining.
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    Sounds like a fun project. Are you rebuilding...

    Sounds like a fun project. Are you rebuilding the truck stock?
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    2009 - 2013 6L90E T43 TCC tuning

    I need to increase transmission longevity in our fleet vehicles. We're seeing failures between 100 and 175k miles for transmissions that should last far longer. I am convinced the problem is...
  6. Does this result in unusual pedal feel? Or is...

    Does this result in unusual pedal feel? Or is there a challenge finding WOT?
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    Hello, Welcome to the forum.

    Hello,

    Welcome to the forum.
  8. Hello, Welcome to the forum. Sounds like you...

    Hello,

    Welcome to the forum. Sounds like you have a fun car to drive. I don't know how far the Caddy system has been "cracked" but we are happy to provide as much help as we can.
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    Welcome to the forum! Are you currently...

    Welcome to the forum!

    Are you currently working on any projects?
  10. What about a throttle pedal with a sensor...

    What about a throttle pedal with a sensor attached? Maybe it's not too hard to add additional material for a cable to the 2001 Express van w/ 6.5 diesel pedal?
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    Interesting. I didn't realize that it was part...

    Interesting. I didn't realize that it was part of the OBDI package. Thank you.
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    Hmmm.... Tunercat is an author / company...

    Hmmm....


    Tunercat is an author / company that makes tuning software.

    The CATS tuner is software made by Tunercat.

    For flash type engines such as the LT1 the Tunercat solution involves...
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    Howdy, and welcome to the forum. Look, there's...

    Howdy, and welcome to the forum.

    Look, there's a *bunch* of stuff involved in tuning. A big bunch. I've been doing this for years and it's not like I know everything or like I ever will. Each...
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    0411 OS Question

    Greetings,

    Can someone with more knowledge of OBDII programming kindly assist with this question?

    Thanks,
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    Hello... Welcome to gearhead-efi.com. What do...

    Hello...

    Welcome to gearhead-efi.com. What do you find confusing about the forum?
  16. Thread: 59

    by 1project2many
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    Hmmm.... I haven't spoken with Dig in a...

    Hmmm....

    I haven't spoken with Dig in a loooong time. I don't even know if I have current email information.

    Hopefully there are enough code59 folks here to help out if you need it. I know...
  17. Hi Dave, The letters on the ecm represent the...

    Hi Dave,

    The letters on the ecm represent the file that the ecm was originally shipped with. GM often supplied replacement calibrations so it's usually better if you open the cover and see what's...
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    Please note that I realize not all of this is new...

    Please note that I realize not all of this is new to you, but I am including it for completeness and for others who may follow.

    -------

    I wouldn't advise removing the data from the calibration...
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    That's the right approach but you can do some...

    That's the right approach but you can do some sanity checks to ensure the entry point is actually real code. If you find a series of instructions that don't make sense, for example, a series of the...
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    That's better. To make progress you need to...

    That's better. To make progress you need to locate and identify the code entry point. You've already labeled the reset vector. The reset vector at 0xfffe and 0xffff contains the address which is...
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    Hmmm.... Are you trying to describe the operation...

    Hmmm.... Are you trying to describe the operation of obtaining a file directly from the chip? That's generally called "reading" as all that's involved is ascertaining each byte in a series of...
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    Hello, Congratulations on realizing there is...

    Hello,

    Congratulations on realizing there is more to tuning than just the variables. You're in luck! Much of the work has already been done for you. $8D information here:...
  23. This is the type of problem that's very hard to...

    This is the type of problem that's very hard to catch through a written description but takes seconds for an experienced mechanic to diagnose in real life. Putting a load on the engine causes the...
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    Hi, welcome to the forum. There's plenty of...

    Hi, welcome to the forum. There's plenty of reading and lots of help if you have questions.
  25. Interesting. We always looked for a dot of paint...

    Interesting. We always looked for a dot of paint on the OE plugs. Nothing aftermarket came with a paint dot.
    ...
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