This is the most crucial question for those who need to choose engine oils for their vehicles. The numbers 10w30 or 5w20 refer to the viscosity of engine oils. The factor “viscosity” is very important which defines the engine oil’s capability. Here is the question that arises. Can I use 10w30 instead of 5w20? You … Continue reading Can I Use 10w30 Instead Of 5w20? – Details Explanation