Is Mixing 5W30 with 5W20 Oil Bad for Your Engine?

Learn why mixing 5W30 and 5W20 oil can harm your vehicle's engine performance and lubrication.

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Mixing 5W30 with 5W20 is generally not recommended. While both are similar, the slight difference in viscosity can impact engine performance. Ideally, you should use the oil grade specified by your vehicle manufacturer to ensure optimal lubrication and engine efficiency.

FAQs & Answers

  1. What happens if I mix 5W30 and 5W20 oil? Mixing these oils can affect viscosity and engine performance, leading to potential lubrication issues.
  2. Should I always use the manufacturer's recommended oil grade? Yes, using the oil grade specified by your manufacturer is vital for optimal engine performance and longevity.
  3. Can I use 5W30 instead of 5W20? While it may work in some cases, it's best to adhere to the manufacturer's recommendation for safety and efficiency.

Watch More

For more information on vehicle maintenance and oil choices, check out our videos on selecting the right oil for your car and tips for engine efficiency.

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