Does Thicker Oil Really Enhance Engine Performance?

Discover how thicker oil impacts engine performance and efficiency, and learn what oil is best for your vehicle.

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Thicker oil can potentially improve performance in older engines by providing better lubrication and sealing capabilities but may reduce efficiency in modern engines designed for thinner oils. Always consult your vehicle's manual to use the recommended oil type.

FAQs & Answers

  1. What type of oil should I use for my older engine? Always consult your vehicle's manual, but thicker oil may be recommended for better lubrication in older engines.
  2. Can using thicker oil reduce fuel efficiency? Yes, thicker oil can reduce fuel efficiency in modern engines that are designed for thinner oils.
  3. How does oil viscosity affect performance? Oil viscosity affects how well the oil lubricates and seals engine components, impacting overall performance.
  4. Is thicker oil better for high-mileage vehicles? Thicker oil can provide better sealing and lubrication in high-mileage vehicles but should be chosen carefully based on manufacturer recommendations.