Castrol EDGE is our strongest and most advanced range of engine oils yet. Castrol EDGE. Castrol EDGE provides superior motor oil strength for engines that work harder due to higher engine pressures, helping your vehicle to maximize performance.Is 5W30 oil better than 10W30 oil?
5w30 provides better lubrication compared to 10w30. It is best suited for private vehicles and light-duty diesel and petrol engines, while 10w30 is more suitable for commercial vehicles and other cars with heavy load engines. Read Also: Can You Use Regular Oil after Synthetic?What is the difference between 5W30 and 5w40 oil?
Difference Between 5w30 and 5w40. The working viscosity of 40 is from 12.5 to 16.3 mm2/s at 100g. Operating viscosity of 30 is from 9.3 to 12.5 mm2/s at 100g. Both oils are 5 grade when cold, but 5w30 is 30 grade, and 5w40 40 grade at operating temperatures. For working viscosity of 40 this parameter is min 3.5 at 150g.