I went from normal Penzoil to Synthetic Oil a few changes ago, I know regular oil looks gritty and black when it's dirty, but what does Synthetic .
Therefore, the best way to determine what color your oil should be is to observe. learn to â€œreadâ€ your engine's oil by color, i.e. you may find that your oil starts to look. but oil smell will change quite a bit, as the oil will smell much like gasoline.
Our Mobil 1â„¢ brand of advanced full synthetic motor oils has a unique, balanced formulation to keep your engine running like new. So what are the benefits of .