Gas engine manufacturers consider this in the ... It is good practice to report top-up volumes when submitting an oil sample for analysis. When oil sampling is conducted at regular running hour ...

Recalled trucks and SUVs with GM's 6.2L V8 L87 engine get a new, thicker oil if they pass an inspection. Here's what you need ...

An engine oil sample is a lot like a blood sample in that ... That doesn't fix any fuel dilutions. It doesn't fix an engine that's overheating and oxidizing and therefore increasing your viscosity ...

What about, say, gas in your oil? Unfortunately for you and your vehicle's engine, it's a problem that could happen and not a cheap one either. Engine oil and gasoline are two fluids that you ...

Wanting to know if he should keep with his oil change interval, Paul decided to send a sample ... Hyundai's GDI (Gas Direct Injection) system. Unfortunately, it would seem these engines suffer ...

API's latest service standards are SP for gasoline engines and CK-4 for diesels. These letters are based on a group of laboratory and engine tests that determine the oil’s ability to protect the ...