Every fleet owner should know the basics about the viscosity of the lubricants they are using and why the viscosity matters. Fleets—especially mixed ones—require a variety of lubricants. This ranges ...

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 ...

Specialists weigh in on cold starts, wear protection and other oil viscosity matters. Nine out of 10 heavy-duty long-haul trucks use 15W40 oil. Despite that long-standing domination, that viscosity ...

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 ...

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 ...

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 ...

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 ...