this forum is mostly for ME7 ECUS...
FGATO is a factor, if your injector is 25% bigger just compensate it (20% lower by the way)... no rocket science here...
Yes, there is MINIMAL injector time, look for minimale TE
and voltage correction factor
Your ECU has a OLS file floating here for years !!!!
I know it and downloaded it, but I did not look for the maps as such. They are located, only the most correct way to do the calculation,