> Does anyone else swear by a particular brand? Anyone love Citgo? > That's the Venezuelan one and I heard they're commies who should be shot. I'm a pretty big fan of Chevron. Techron is supposed to be a really good additive so I tried to use them as much as possible in my BMW (had an aftermarket chip, too, so it definitely required premium, but 91 was certainly enough, in my experience) -Grant-