Is 10W30 Oil Better than 10W-40 for Older Cars? Expert Comparison
Discover why 10W30 oil is often recommended over 10W-40 for older cars, balancing engine protection and optimal viscosity.
Video transcript
10W30 oil is generally better for older cars because it offers a better balance between lubrication and engine protection. It provides sufficient viscosity at cold starts while maintaining optimal thickness at operating temperatures. 10W-40 oil may be too thick, especially in colder climates, which can strain older engines. Always refer to your vehicle's owner manual for specific recommendations.
Questions and answers
Why is 10W30 recommended for older cars?
10W30 offers a balanced viscosity that ensures proper lubrication during cold starts and adequate protection when the engine reaches operating temperature, making it suitable for older engines.
Can I use 10W-40 oil in an older car?
While 10W-40 can be used, it may be too thick for older engines, especially in colder climates, potentially causing strain during startup and affecting engine performance.
How do I choose the right oil viscosity for my car?
Always refer to your vehicle’s owner manual for manufacturer recommendations, considering your climate and engine age to select the optimal oil viscosity.
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