Clean and fresh engine oil is vital for your vehicle's performance, but if you are new to adding it yourself, here's what the ...

For that reason, it is critical to understand the importance of oil viscosity in diesel engines, as it plays a major role in engine health. Read more: 11 Best Motor Oil Brands In 2024, Ranked The ...

Modern engine design and the need to reduce CO 2 emissions have led to the development of additional engine oil categories and a growing number of engine oil viscosity grades for diesel engines.

In the late 1970s, when I first started working on cars and doing engine maintenance, 10W-30 was about the only multi-viscosity oil on the market. Today, all of the best motor oil brands make a ...