Thank you, sir, I will implement your values into the nex t version of Multimod as soon as time permits.
Of course, I know it has to be injected to all aircraft files, and here it comes the magic of Multimod and Java application (it is faster than WOFF's Visual Basic code).
EDIT: Updated version 2.0 of Multimod including Realistic fuel consumption mod by orbyxP is available
here