General Motors is facing growing pressure from enthusiasts and engineers to move away from ultra-thin engine oils in future ...

GM Authority has been busy serving up several exclusive details on the next-gen GM Small Block V8, but now, we're wondering - ...

It takes fuel to make an engine run, but it also takes oil to keep it alive. As we all try to maximize the service lives and fuel economy of our engines, it’s important to understand engine oil’s role ...

Viscosity the most important physical property of a lubricating oil, as determines how easily the oil circulates and its load carrying capability. Maintaining the correct balance between low viscosity ...

General Motors is walking into its next-generation V8 era with a fresh headache: a vocal slice of its own fan base is ...

Engine oils are the lifeblood of a vehicle's engine, ensuring its smooth operation, longevity and protection against wear and tear. When extreme cold temperatures arrive, the choice of engine oil ...

The second car that I ever owned was a 2002 Chevy Silverado 2500 with a 6.6L Duramax diesel engine under the hood. It wasn't my first choice, but it was a hand-me-down from my father after my 1993 ...

The measurement of an oil’s resistance to flow is known as its viscosity. Usually, with a temperature increase, we can expect viscosity to diminish, and reduce with a temperature decrease. Temperature ...

Changing fluids in a pickup truck has been necessary since the first one rolled off the assembly line more than 100 years ago. Vehicles — and what goes into them — are constantly changing and ...

A recent study used various gas oils and blends with residual heavy oils in order to evaluate the predictability of four different correlations. The gas oils differed substantially in their ...

Synthetic oil used to be something only performance cars needed, but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester and ...