Mixing 5W-40 And 0W-40 – A Diyer’S Guide To Safe Topping Off
In short, yes, you can mix 5W-40 and 0W-40 engine oil, especially for topping off in an emergency. However, it’s not recommended for a full oil change as it alters the oil’s intended cold-weather performance. Always prioritize using oils that meet the same API and ACEA specifications to ensure additive compatibility. You’re standing in the…