15w30 vs 15w40 vs 15w50 vs 15w60 Motor Oils
Motor oil is the lifeblood of an engine, ensuring smooth operation, reducing friction, and providing vital protection against wear and tear. The choice of motor oil involves considering factors like viscosity, temperature range, and the specific needs of an engine. This extensive article delves into the distinctions between four common motor oil grades: 15W-30, 15W-40, …