Castrol Synthetic Engine Oil for Petrol and Diesel Cars hero the ancient Greeks messed around

the ancient Greeks messed around with steam-powered engines

Different configurations have different advantages and disadvantages in terms of smoothness

and solid rubber (or other polymer) tires are still used in various non-automotive applications

the embarrassing situation where we have to try and describe the noise our car is making to the guys at the shop

Castrol Synthetic Engine Oil for Petrol and Diesel Cars hero the ancient Greeks messed aroundThe proper viscosity is the single most important criterion of a lubricating oil. Multiweight oils (such as 5W 30) have polymers added to the oil. The polymers allow the oil to have different weights at different temperatures. Multiweight oils perform a great service of not being too thick at cold startup to provide engine wear protection by flowing more quickly to critical engine parts. The first number, the 5W of the 5W 30 viscosity, for example,