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Old 01-04-2011, 04:40 PM   #152
xlsupreme
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Member#: 120789
Join Date: Jul 2006
Location: Richmond, VA
Vehicle:
2005 USDM STi

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Quote:
Originally Posted by Jamaal View Post
Looking for help putting together this spreadsheet. Running into a few issues creating the first set of graphs for the maf voltage vs time. I'm not very good with excel. Using race tuner to log. Working with a turboxs rotated setup and blowthrough Maf.

I'll be re-reading the thread in the meantime. Any help is greatly appreciated.
The gist is that you'll be logging a boatload of data, mostly because of how much you'll be discarding. You'll be manually filtering out based on
1. IAT's that are too high, indicating when you stopped at a stop light
2. rapid changes in MAF (v)
3. times when you accidentally went into open loop

among the other items that williaty suggested you filter by. you want a lot of data because you're also trying to test the validity of your maf curve across the entire range of closed loop.
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