Debunking the Myths 5W-40 vs 5W-30 – Which Oil is Best for Your Vehicle?

In other words, a lubricant with SAE 5W-30 will behave better when cold than a lubricant with SAE 10W-40. In contrast, oils with a higher SAE ... Direct injection/turbo w gas dilution is the reason to change every 6 months especially running 0-20. Makes it even thinner. 15W - 75W, 15W - 40W, 10W - 15W - 25W - 40W, 10W - 15W - 25W - 40W, 7W - 15W - 25W, 7W - 10W - 25W, 20W - 40W, 10W - 30W, 10W - 20W, 10W - 20W, 7.5W - 15W, 5W - ... So, a SAE 5W-30 oil would be SAE 5 without the VI improver, SAE 10W-30 would be SAE 10 without it, etc. IN THEORY! In fact, since the two ... Thought I would share my recent experience of switching engine oil to more viscous 5w40 from 5w30. Car is Fabia VRS 130 PD using 505.01 PD ... The engine is much smoother, quieter and generally just sounds a lot less metallic that it did before. Overall, I'm very impressed and I will be filling up ... The "5W" in both indicates their winter (W) viscosity rating, showing they perform well in cold temperatures. However, the difference lies in ... Any major brand of synthetic oil that covers the "30" viscosity rating, such as 0W30, 0W40, 5W30 etc. will work in your car. The current I in amps (A) is equal to the power P in watts (W), divided by the voltage V in volts (V): I (A) = P (W) V (V) The most common engine oils used in cars are 5 and 0, also known as seasonal engine oil, which can be used in both winter and summer.