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Discussion Starter #1 (Edited)

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Discussion Starter #2 (Edited)
TODO List:
  • Somehow add additional checks for open loop
Known Bugs:

Change Log:
  • 1.8 - 3/13/2014
    • MAF Smoothing using polynomial regression
    • Added graph of original, new (calculated), and smoothed MAF curve
    • Ability to choose when to start the running average
    • Added code to support the GTR
    • Program will check for updates on startup
    • Cleaned up a bit of code. MAF form should load a bit faster.
  • 1.7 - 9/28/2013
    • MAF running average now starts at the first datapoint, instead of lowest voltage.
    • Changed MAP math to more closely match Dino's spreadsheet.
    • Stopped rounding values in MAP calculations
    • Added IDC = 0 skipping for MAP
    • Colored MAP tables based on average (kind of like EcuFlash)
  • 1.6.1 - 8/21/2013
    • Bug fixes (removed test popup)
  • 1.6 - 8/6/2013
    • Added more definitions for MAP sensors.
    • Fixed error when clicking on column header in MAF form.
  • 1.5 - 8/1/2013
    • Fixed bug where an empty IDC column would filter all results (EvoScan type log)
    • Added Boost (PSI) to default boost column list.
  • 1.4 - 7/22/2013
    • Fixed bug regarding columns in the CSV
    • Fixed issue with certain EvoScan logs
    • Optimized MAF code, should speed up calculations
    • Made icon background transparent
  • 1.3 - 7/19/2013
    • Added predicted load based off MAFCalcs and New Map values (beta)
    • Added number of datapoints
    • Cell coloring based off datapoints (can edit in options)
    • Added STI MAF XML (can do STI MAF Calibration now)
    • Color part of MAF graph that corresponds to the section of the table that your mouse is on.
    • Added more default column headers
  • 1.2 - 7/4/2013
    • Removed ability to resize/maximize windows.
    • Added icon
    • Added IDC = 0 filtering for MAF Calibration
    • Added ability to copy/paste from ECUFlash in the vertical tables.
    • Added PSIG to default Boost header list
    • Added 2ByteRPM to default RPM header list
    • Fixed ability to paste directly into ATR
  • 1.1 - 7/4/2013
    • Slightly changed the math to match Dino's Java app
    • Added voltages all way up to 5v
    • No more rounding
    • Greyed "start" button and changed to hourglass cursor when starting calculations
    • Added Version label to main screen

Suggestions welcome!
 

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Discussion Starter #4
Nice!

I really need to learn how to tune...
Thanks! I am enjoying the learning process. I don't think I'll ever tune anyone else's car, but you definitely learn a lot about your own car in doing so.
 

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Agreed... it certainly makes you appreciate the people who do it for a living :thumbup:
 

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thanks for your great JOB

but I got this error : " LTFT header not found, MAF Voltage header not found "

Edit : the header should has exact "LTFT" "MAF Voltage"

so the calculation based on cruise LTFT or current LTFT ?
You can edit the headers under options.

The calculation is based on (LTFT + STFT). You should use LTFT Used.
 

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You can edit the headers under options.

The calculation is based on (LTFT + STFT). You should use LTFT Used.
How does this work?

Do I just order an Intake, run a log (idle or pull?) then plug it in and bingo?

Also where do you go to learn how to tune. I'm starting to get really interested in it
 

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How does this work?

Do I just order an Intake, run a log (idle or pull?) then plug it in and bingo?

Also where do you go to learn how to tune. I'm starting to get really interested in it
You need to follow Hollywood_X's method, posted here: http://www.evoxforums.com/forums/showthread.php?t=18023

This tool simply does the excel maths for you. I would, however, recommend learning to do the math without this tool if you are serious about tuning. The idea is to get the LTFT+STFT value as close to zero as possible. You won't get it exact, but that's the point of fuel trims.

There's a lot more to tuning than just scaling your MAF. I'll gather some posts from this forum that have helped me get started.

EDIT: I suppose you don't *need* to follow his method... I'm sure there's more than one way to skin a cat, but that's what I based this tool off of.
 

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How does this work?

Do I just order an Intake, run a log (idle or pull?) then plug it in and bingo?

Also where do you go to learn how to tune. I'm starting to get really interested in it
Read this forum constantly for one. When people post up questions or logs, start looking at them and getting familiar with what is normal and what is wack.

Google, merlin's guide to evo x tuning and have that PDF near you at all times.

Lastly, read a section either in that guide or on this forum about how a specific area of tuning works. Then go out, do a log of the related parameters, pull up a view of your rom, then compare your log to your rom. Everything really makes sense when you get look at a log and then see where in a tune that value was generated from.
 

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Discussion Starter #14
Good work on the app! I stopped working on mine when I was busy w/ my master's thesis project. That's over so now I'll have free time again. We should combine projects and work on the ultimate tuning helper app
Totally on board with that.
 

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Good work on the app! I stopped working on mine when I was busy w/ my master's thesis project. That's over so now I'll have free time again. We should combine projects and work on the ultimate tuning helper app






Totally on board with that.
Awesome guys ;)
 

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I like the idea, I'll have to try out the method distilled by the app and see if it works OK for my tuning process.

I'm a 10+ years software engineer so I'd be happy to help but I'll probably be developing something like this for my shop that will generate revenue, so my hands might be a little bit tied.
 

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I'm a 10+ years software engineer so I'd be happy to help but I'll probably be developing something like this for my shop that will generate revenue, so my hands might be a little bit tied.
What do you mean by tied hands? I don't have a problem if someone uses this to make money... however a contribution would be nice ;) ... even if it's just helping develop it.
 

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This is a pretty cool program. I just pulled an old log I had and did the math in my normal excel spreadsheet and this was very close!
 
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