A 30 gram scoop of nutritional yeast has about 140 calories, 2 grams of fat, 12 grams of carbohydrates, 8 grams of fiber, no sugar, 16 grams of protein and no cholesterol.
However, if your Subaru engine is turbocharged, follow manufacturer recommendations and use only premium gasoline. The Forester, Outback, Impreza and Legacy offer a turbo option, for increased power and performance.
Best and worst Subaru engines. The best is the wifes current 2.5T in the '07 Forester XT, not far behind was the solid lifter dohc 2.5 in the '94 (?) Outback-a work of art. Oddly while the performance is light years difference between the turbo and na, mileage is nearly exactly the same; low 20's around town and very upper 20's to the magic 30mpg on the highway.