SOI

Hello. Im correct calibrations for tuning Audi A6 C8 3.0TDI 286hp

For example at Stock, we have SOI Map at 4000rpm

60 mg/str 18 degree

70 mg/str 18 degree

80 mg/str 18 degree

Its optimal SOI, but it is compromise between NOX ?

Stock 80mg/str max Stage1 we have 94 mg/str max

How can Im correct maps SOI for 94mg/str?

Only dyno ans tests but theoretical calculation ?

Theoretical calculation add me 1-2 degree add for optimal SOI, if stock SOI is optimal.

Thank you )

uppp