Can You Use 10w30 Instead Of 10w40? Yes, You Can!
Can You Use 10w30 Instead Of 10w40? Well, the good news is that you can! There isn’t much of a difference between these two oil grades. When you decide to switch from 10W-30 to 10W-40, make sure to consider the weather conditions in your neck of the woods. But don’t fret about using 10W-30 instead…