Coming back to this thread for some more advice.
As posted above, I ended up with a pretty linear MAF curve.
As I did a new MAF scaling I was seeking information about "Engine Load Compensation (MP)" and couldn't really find any here on the forum. Looked at RomRaider too and didn't really find the information I was seeking.
Then I stumbeld upon this video.
What the guy explains is that the ECU adds x% fuel according to rpm/manifold pressure according to that table.
If correct, as can be seen our cars add 3.12 (%?) fuel at 3600 and 1 bar. Could this be the cause of the rich dip? Does anyone have experience changing these tables?
[ame="https://www.youtube.com/watch?v=4qsVA8gCBJ4"]2008+ Subaru STI Load Compensation - YouTube[/ame]
