Originally Posted By: Merkava_4
Quote:
Are there any disadvantages to the "high-mileage" stuff?
High mileage oils will cause you to suffer fuel mileage by .0001 MPG.
Not necessarily. Depends on the engine and the driving. Some may actually gain a little, possibly due to a better ring/cylinder seal.
Quote:
Are there any disadvantages to the "high-mileage" stuff?
High mileage oils will cause you to suffer fuel mileage by .0001 MPG.
Not necessarily. Depends on the engine and the driving. Some may actually gain a little, possibly due to a better ring/cylinder seal.