5-30w vs 5-40w
People also ask
Is 5w40 better than 5W30?
The working viscosity of 5w30 is basically from 9.3 to 12.5mm2/s whereas the operating viscosity of 5w40 is 12.5 to 16.3mm2/s. That means 5w40 has larger viscosity than 5w30. So, 5w30 is better than 5w40. 2. Fuel Economy When compared in terms of fuel efficiency, 5w30 is more fuel economical than 5w40.
What happens if I put 10W40 instead of 5W30?
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Can I use 10W40 instead of 5W30?
No, you should not use 10w40 instead of 5w30. 5w30 is thinner oil specialized for colder weather. Whereas, 10w40 is way thicker which is suitable for warm weather. Applying 10w40 instead of 5w30 will decrease the engine’s efficiency. It’ll create engine wear and friction, which will damage the engine quickly. Still not sure? Relax! This isn’t all.
What is the difference between 0w40 and 5W30 motor oil?
5W30: Again from the combination of the numbers and alphabet, it show that the viscosity (5W) is higher relative to that of 0W40, therefore it is thick an not thin. The 30 in the 5W30 means that the motor oil will drop within certain viscosity limit at 100 o C. This motor oil is multi-grade by the number and alphabet arrangement.