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  1. Thread: Getting Closer

    by myburb
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    2
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    342

    Are you sure the two switches in the back of the...

    Are you sure the two switches in the back of the apu are as required?
  2. Replies
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    3,593

    I don’t have cats and I don’t have lt1 but you...

    I don’t have cats and I don’t have lt1 but you have been working on this for awhile. Do I read it that when you took off both cats it was fine? If so could it be you had 2 bad cats with the left...
  3. Pull the fuel pump relay, the plugs, change oil...

    Pull the fuel pump relay, the plugs, change oil if cantaminated with fuel and crank it over. should clear everything out
  4. Possible leaky poppet valve on the spider.

    Possible leaky poppet valve on the spider.
  5. Thread: help .bin .xdf

    by myburb
    Replies
    2
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    208

    Something in the numbers doesn't sound right. ...

    Something in the numbers doesn't sound right. 7427 is obd1, 94-95 is obd1 and 1998 is obd2. Maybe a little more info as to what and where vehicle is.
  6. If you look in definitions/wiring this forum for...

    If you look in definitions/wiring this forum for $85/7060 the wiring diagrams in that thread is probably what you want. They indicate for 1991 but I know those diagrams were correct for a 93 7060 so...
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    800

    In reference to the edelbrock 454 tbi intake,...

    In reference to the edelbrock 454 tbi intake, even though they say it won't fit 91-95 it fits just fine. There is a couple of assessory holes that are different but it works just fine. I have it on...
  8. Replies
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    1,608

    Have you got setup yet to do proper data logs. ...

    Have you got setup yet to do proper data logs. It could be that it is rich enough on start up but as temp increases and it relies more on the ve table in open loop and the ve table is not correct.
  9. Replies
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    1,608

    I know this is off the OP question but if anyone...

    I know this is off the OP question but if anyone knows where you can find factory open loop export bins for a 7.4 I would be interested to see how the factory went about it.
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    1,608

    I have run my mild mod 454 in open loop for years...

    I have run my mild mod 454 in open loop for years now. The motor is much smoother, allows me to have highway lean cruise and pull down with converter locked. I have intake air temp incorperated so I...
  11. I am going to work towards trying this. My...

    I am going to work towards trying this. My computer that I use for tuning doesn’t have Bluetooth. I see there are several OBDLink units available. I see one that is OBDLink USB. Just to make sure,...
  12. Replies
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    1,640

    My opinion would be to switch to computer that...

    My opinion would be to switch to computer that came with that setup. Would probably have been 7427 running $OE or $31. If you can't find a harness you could probably modify your original. I think...
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    909

    You have have some hardware and adapter and chip...

    You have have some hardware and adapter and chip to change and burn chips. The 329 is probably the apu1, I have that and it works well. It allows reading, writing, data logging and emulating and it...
  14. Replies
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    909

    Have you tried just data logging rather than...

    Have you tried just data logging rather than emulating. Some have found that easier to connect.
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    909

    Try this...

    Try this
    http://www.gearhead-efi.com/Fuel-Injection/showthread.php?317-16147060-PCM-Information-85
    If this doesn't work goto the forum obd1 and then to definitions. To see real time you will need...
  16. Replies
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    354

    Help with ecm ident

    I am trying to help a friends son by telephone. He has a 95 s10, 4.3 vortec, standard trans. What mask do you think that would be running as a starting point for my looking.
  17. Thread: i'm an idiot

    by myburb
    Replies
    4
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    425

    You have a start. You know .bin .xdf .adx which...

    You have a start. You know .bin .xdf .adx which are needed. Have you down loaded tuner pro rt? That would be a good step. Remember everyone had to start somewhere. lots of good help here. There...
  18. Replies
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    1,965

    Thanks for straightening that. As I typed was...

    Thanks for straightening that. As I typed was thinking of the old manual switching of both on for overdrive and then posted what I did. Must be age.
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    It has been along time since I did anything...

    It has been along time since I did anything inside a 4l80e but seem to remember the shift solenoids in the early ones and later (94-95) had different resistance solenoids. So the $31 and $OE might...
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    883

    question for Fast355

    Not wanting to jack another thread you responded to, you talked about high cruise afrs in lean cruise with 7427. I have been able to manipulate my afrs to the way I want them but have only been able...
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    949

    snowwebs, if you are interested you could send me...

    snowwebs, if you are interested you could send me a pm and I could load up your bin and maybe help you out. I only fool with big block chevs so don't often get to help out.
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    949

    It has been my opinion to start with the bin and...

    It has been my opinion to start with the bin and mask that was originally with your transmission. Also I can't remember if the xdf for $31 has as many items as $OE. In my case I felt my 80e was...
  23. Replies
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    949

    ok I get you now. If you want to keep your $31...

    ok I get you now. If you want to keep your $31 that your truck came with download the files from the 6930 computer in the def area that you got the other xdf adx from.
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    949

    If you want to use $OE use the xdf and adx that...

    If you want to use $OE use the xdf and adx that you find under the 6395 computer. 6395 and 7427 are interchangeable. You would need to use a $OE bin
  25. Replies
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    3,078

    In the beginning of my tune learning I chased...

    In the beginning of my tune learning I chased what I thought was a lean pop. After install WB realized it was not lean pop but anticipated spark retard. I lowered the amount of spark retard allowed...
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