Did you ever think about engine oil? Most people don't until it's time for their 3750, 5000, 7500 or 15000 mile oil change. But the fact is, engine oil is an amazing product. Did you know that the average engine oil has over 200 chemical compounds in it? Do you know what the difference between synthetic and non-synthetic oil is? Or what those numbers like "5w-20" mean on the oil bottle?
I took my car, an Infiniti model, to my local Infiniti Express Service dealer for a quick oil change and service. As an engineer I appreciate engine oil for the amazingly evolved product it is, and I appreciate my dealership because I know that the people working on it are Infiniti certified technicians who only use genuine Infiniti parts and when doing their fast oil change use only Infiniti specified oil. Here's why this is so important.
Engine oil has two jobs, lubricate moving parts and cool the hot parts of the engine. The lubrication part is done by the oil creating a film, a barrier, between supra vaider red and gold moving parts
Your engine oil must flow almost instantly when you cold start your engine. If the oil is too thick and flows slowly then metal on metal contact is occurring while the engine internals are waiting supra vaider red and gold for oil flow to arrive. Once the engine is fully up to operating temperature, engine oil is typically around 220 F degrees. When hot, if the oil is too thin, then again metal on metal contact occurs and engine wear accelerates.
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