Does It Matter What 5w30 Oil I Use?

Are there different types of 5w30 oil?

5W-30 and 5W-40 are 2 common types of engine oil that you might come across.

The ‘5’ refers to the viscosity in cold weather and the ‘W’ stands for ‘winter’.

The ’30’ or ’40’ refers to the oil flow at higher engine temperatures.

’30’ is often for newer petrol engines, while ’40’ is often for older or diesel engines..

Does it matter what oil brand I use?

No. Switching brands is not harmful to your engine as long as you choose an oil marked with the API donut of the same level, e.g., API SN. Motor oil manufacturers must meet minimum industry standards for performance and compatibility of the API mark.

What happens if you put the wrong oil in your car?

The brand of motor oil matters little, but its viscosity grade (10W-30, for example) is important. … Using the wrong oil can lead to reduced lubrication and shorter engine life. If the manual says to use synthetic oil, do so.

What is the best 5w30 synthetic oil?

Mobil 1 Extended Performance 5W-30 The best full synthetic motor oil in our opinion is the Mobil 1 Extended Performance. This premium synthetic oil offers unparalleled protection against engine wear, all-weather performance, efficiency, and longevity for automotive engines.

Is Valvoline better than Mobil 1?

Multiple tests run concluded that Valvoline SynPower was four times better than Mobil 1 in terms of wear protection when measured in 5W-30 grade tests. According to Valvoline, their oil offers much better wear protection than Mobil1.

Can you mix synthetic and regular oil?

Yes. There is no danger mixing synthetic and conventional motor oil. However, conventional oil will detract from the superior performance of synthetic oil and reduce its benefits.

Does it matter if you use 10w30 instead of 5w30?

Both 5w30 and 10w30 engine oils have a similar SAE rating, meaning that they will perform the same at high or operating temperatures. The digits 30 indicate the viscosity of the oils when in high temperatures. 10w30, however, will thicken more when in a cold climate. 5w30 is much suitable during the cold season.

Are all 5w30 synthetic oil the same?

The petroleum base oil alone may have the properties of an SAE 5 grade oil. This means at extremely low temperatures, it may be thick, and at high temperatures, it’s fairly thin. … When it’s brand new, a 5W-30 conventional motor oil acts exactly like a 5W-30 synthetic motor oil.

Can you put 5w 40 oil in a 5w30 engine?

If you are racking your brain to choose between 5w30 and 5w40, we recommend you go with 5w30. However, if it is too expensive or not available for use, you can always go with the 5w40, which is just as good and will not cause any damage to the engine parts.