Originally posted by 16g-95gsx
Because mobil one has been proven (or any nice fully syn for that matter) to perform much better than any other oil out there. The reason I say use it now if you havent before is because now everything is new, and now is the time when you can begin using it and not have it leak through your rings etc.
Many synthetic companies suggest that you wait 'till you have around 10,000 miles on your car, so that the rings CAN properly seat!
Just a heads up!