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Thread: Learning to Tune Need HELP

  1. #1
    Electronic Ignition! chevreligionz28's Avatar
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    Learning to Tune Need HELP

    Hi everyone!
    In advance, thanks for your help.

    I have a 1994 Z28 that is in dire need of a tune. I have on my laptop Scan9495 and Tunerpro RT as well as winflash. I have a 94 auto .bin file but when I load it and conne t to the car its like tunerpro doesn't recognize what's going on. I have the Moated ALDL and Cabl1. I setup the tunerpro to recognize the cable and it tests as running. Can I get some guidance from you guys?

  2. #2
    Fuel Injected!
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    Assuming you haven't already, You'll need to install and setup the proper .adx file for your ecm in tuner pro.
    Adx=tells tuner pro how to connect to ecm
    Bin=software that runs ecm
    Xdf=tells tuner pro how to interpret bin

    Hope this helps. Its confusing at first, but one day it will make sense.

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    Electronic Ignition! chevreligionz28's Avatar
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    Thatnk you f85gtron, I have a bin and ADX but no XDF file. do you know where I could source an .xdf file for my car? Im going to start looking so I may have one found before you reply, I don't ant to seem like a total lazy person.

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    Fuel Injected! steveo's Avatar
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    reccommend you use this definition for tunerpro: http://fbodytech.com/eex-tunerpro-definition/

    and this datalogger: http://fbodytech.com/eehack-2/download-eehack/

    i probably wouldn't bother with tunerpro for datalogging that lt1 unless data tracing is something that you need. my tool is built specifically for your lt1 and does waaay more

  6. #6
    Electronic Ignition! chevreligionz28's Avatar
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    Thanks Steevo, I'm downloading it now

  7. #7
    Carb and Points!
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    You are in the right place. I have been lurking on here for quite some time trying to learn how to do things to my tbi truck. The LT1s are a bit tricky, because they flash like a newer vehicle rather than swapping chips. Let us know how you do, I have an LT1 I want to swap into a truck someday. Learning Tunerpro well takes some time, try not to change too much at first until you're comfortable with the program, and always save the clean bin that's not changed from factory settings. You will need it at some point. Best of luck!

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    Electronic Ignition! chevreligionz28's Avatar
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    Russk1981 that's the plan, I need to be able to tune simple stuff first like removing the Egr, AIR, EVAP, tune my fans to come on sooner, and tune for the gear swap in my car. Then I can earn how to tune fuel etc when I do my cam swap

  9. #9
    Electronic Ignition! chevreligionz28's Avatar
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    Ok guys, I've got my stock .bin from my ECM downloaded and saved. Now the question is how do I modify the .bin save file to remove the above listed solenoids and tune for my gear swap?

  10. #10
    Fuel Injected! steveo's Avatar
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    step 1. download tunerpro (non-rt normal version is fine)
    step 2. download the EEX xdf from my site
    step 3. load the eex xdf into tunerpro (xdf menu, select xdf)
    step 4. under where it says 'parameter tree' change 'view by' to 'category'
    step 5. file-> open bin (load your bin)

    if you want to start out easy, you can use the autotune form on my site to generate a bin for your gears and whatever and start with that one.

    if not, the eex xdf includes a spreadsheet that helps you calculate the necessary values for your new gears.

    i'd work on a COPY of your bin and make a folder for each revision of the bin, with each one containing any logs you've taken for that bin. with eehack saving your original bin is important since it modifies the program slightly while flashing to improve the datastream (and your datalogging capabilities) a bit.

  11. #11
    Electronic Ignition! chevreligionz28's Avatar
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    Thanks Steevo, I'll copy my .bin so that way I still have the stock one. I have Tunerpro RT already installed is this q bad thing or will it function in the same way?

  12. #12
    Fuel Injected! steveo's Avatar
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    reason i say use tunerpro non-rt is the 'rt' version has some extra stuff in it that you won't need (datalogging that eehack does a better job of, and emulation that doesn't work with an lt1), and a nag screen that tells you to register. tunerpro rt and tunerpro have exactly the same bin editing stuff in them. doesn't really matter much.

  13. #13
    Electronic Ignition! chevreligionz28's Avatar
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    Cool deal, I grabbed one of your generated tunes but your 3.73 gears was coming soon :-( .
    Anyways, I copied the .bin file your site supplied and would like to go ahead and tune for the gears myself. Do you know which table I need to modify? I have the calculator pulled up with the table it generates for my gear/tire size/ etc.
    Again, thanks for your help. Once i get some extra money freed up I will make a nice donation to your site :-)

  14. #14
    Fuel Injected! steveo's Avatar
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    the spreadsheet is labeled kind of differently than my xdf, but just follow the red lines in this picture.

    i should update the spreadsheet some time...

  15. #15
    Electronic Ignition! chevreligionz28's Avatar
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    is it bad when it loses connection in the middle of a tune? it wont find the ecm even after removing the pcm batt fuse for 15 minutes and then when I try to turn it over it wont hardly run and the high speed fans come on. did I just brick my ECM?

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