Bolt-On Basics: RSX (Base)
i recently put this in my car
http://www.mobiloil.com/USA-English/MotorOil/Oils/Mobil_1_0W-20.aspx
not sure if this is the right place to put it but i can see the gains of mileage
before i get an avg of 300 mi on one tank before the light turns on now i get about 340 before the gas light turns...