I can also sense which RON they put in Mystyler, especially the cars about 15-20 years old now that their flash lambda sensors aren't so precise with age and wear
I found where the book said about octane requirement increase (ORI). Just so I don't end up crowding Norm's Victa Needle thread too much with this good more car petrol related info, I will make a new thread and put the info in there
