Certain additives safeguard the motor from friction injury. They're able to complete this by lubrication and movie forming. A hotly debated problem. If you live in a heat climate, then thicker oil might be a good selection as it won't have enough time to clump up. Thicker oil requires much https://andrecczwr.izrablog.com/34950302/little-known-facts-about-engine-oil-treatment