As I have explained to the advance payments are also the dimensions of the room ( http://www.professionalchiptuning.ne...cipo-iniezione ). And, above all, count the turns, if you want to pull over 5000 degrees you have to give it! especially when you consider that usually the maps advances come to 4500 on diesel and then stop.
Giving 7 degrees at 2000 rpm probably split the engine to the first like
But at 5000 rpm, those degrees "last" much less and therefore the impact ? less!