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 ...

However, that's a small sampling of the ... friction and allow the engine to expend less effort when circulating oil, translating to less wasted power and increased fuel mileage.

It promises to offer better wear protection and longer engine life. 2. Does GF-7 Engine Oil Offer Better Fuel Economy and Emissions? One of the main goals of GF-7 engine oil is to reduce engine ...