1 pointOMG. Diesels are NOT STOCHIOMETRIC. That's why they are diesels. In fact that's pretty much the definition. They are not like gas engines, which maintain stochiometric combustion. You're like the whuffo bragging about how much you know about skydiving by dropping words you overheard. "Yeah, I'm going to start skydiving and get the biggest 3-ring you ever saw so I can land at 100mph!"