What is the best motor oil for high mileage engines?
Mobil 1Our pick for the best motor oil is Mobil 1 High Mileage 10W-30 Motor Oil.
It’s one of the best synthetic oils for high-mileage vehicles, reduces leaks, and minimizes sludge buildup.
For a less expensive option, consider the Valvoline High Mileage Synthetic Blend Motor Oil..
Should I use thicker oil in a high mileage engine?
A: Yes. This is a practical method to improve oil pressure in an older, high-mileage engine. The slightly thicker oil film from the heavier base weight oil — 10W — can help protect worn engine bearings as well.
What is the best high mileage full synthetic oil?
2) Castrol EDGE High Mileage Full Synthetic Motor Oil.3) Valvoline Full Synthetic High Mileage Motor Oil.4) Royal Purple HMX High Mileage Synthetic Motor Oil.5) Shell Rotella T6 Full Synthetic Diesel Engine Oil.6) Mag 1 Full Synthetic Motor Oil.7) Mobil Super Synthetic Motor Oil.More items…•
When should I use high mileage synthetic oil?
The first is to switch when your vehicle reaches 75,000 miles. The second is to switch if your older vehicle is beginning to show signs of engine loosening. If you notice an oil drip, that’s a sign you should start using high-mileage engine oil.