Welcome back to another article where we compare two different motor oils. In this one, we will be looking at 10W30 vs 10W40. These two motor oils are very similar to each other but shouldn’t be used interchangeably. We will go through the following sections while considering 10W30 vs 10W40. What Does Motor Oil Do? Comparing 10W30 vs 10W40 Oil Motor Oil Multigrades 10W30 vs 10W40 – Which Is Better? What You Should Do? Changing The Oil Filter Frequently Asked …
