Wrote a simple MAF scaling utility because spreedsheets suck. This utility will give you the % increase or decrease for each voltage point. If you dont know how to begin check this post out and follow steps 1-3. Currently only looks for the LTFT MAF Voltage (V), Used (%), and STFT (%) headers in a log so its cobb specific. If you rename your other logs with the same headers it should work. It's also evo x specific unless the data points in the maf scaling table are the same. I can add other cars if you can send me the scaling table data (need the voltage points). Tool can be found here. Feel free to post any questions or concerns.