they cost more than comparable synthetic motor oils. For instance, five quarts of Mobil 1 Extended Performance 5W-30 High Mileage Motor Oil costs $32.47 (it's currently on sale on Amazon for $29. ...

Changing your own motor oil isn't that hard, and it can save you a lot of money, but it's important to know which kind of oil ...

O'Reilly's list of in-house products now includes a line of synthetic and conventional motor oils, which directly compete ...

GE recommends a reseal of the electric motor at 24,000 hours and rebuild at 48,000 hours. However, we [Mobil] worked with the customer to use our full synthetic gear oil, walking through why ...