Motor oil – the key to car’s life
Yet it's surprising how many motorists forget to check their car's oil level, much less ensure that oil is changed on a regular basis. Doing so is proven to significantly extend the life of any motor vehicle, often to the tune of thousands of extra miles.
Fresh Oil is Best
While gasoline fuels the engine, motor oil is the lubricant which protects it as it runs. Once operating, the engine's moving parts — metal against metal — require lubrication to prevent overheating, wear and eventual breakdown. Motor oil supplies this lubrication; how well it performs at any given time is known as its viscosity, or its ability to maintain its ability to protect those valves and pistons as they keep your engine running and your car moving. But viscosity diminishes as oil is used; the result is ...