Using Thicker Oil in High Mileage Engines: Is It Beneficial?
Discover if using thicker oil is right for your high mileage engine and how it impacts performance.
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Yes, it is generally okay to use thicker oil in a high mileage engine. Thicker oil provides better lubrication and can help reduce engine wear, especially in older vehicles. Consult your owner's manual or a professional mechanic to ensure compatibility with your engine.
FAQs & Answers
- What grade of oil is best for high mileage engines? Generally, oils with a higher viscosity like 10W-40 or 20W-50 are recommended for high mileage engines.
- Can thicker oil improve engine performance? Yes, thicker oil can improve lubrication and reduce wear in older engines, but always check manufacturer recommendations.
- How often should I change oil in a high mileage engine? It's usually recommended to change the oil every 3,000 to 5,000 miles, but consult your owner's manual for specific advice.
- Is there a downside to using thicker oil? Using too thick oil can lead to poor engine performance in cold weather and may affect fuel efficiency.