What Does Viscosity Mean (and How Does it Affect Your Engine)?

Motor oil pouring into engine

Viscosity is the measure of a fluid’s resistance to flow. How quickly or slowly motor oil flows affects how well it protects your engine.



How to Pick the Right Motor Oil for Your Car

conventional and synthetic oil

The glut of motor oils available can quickly induce analysis paralysis. How do you pick the right motor oil for your car?



Should I Switch to a Lighter Viscosity Oil in Winter?

frozen diesel - thermometer in winter

Motorists sometimes ask if they should use a lighter viscosity of motor oil once winter arrives. Yes – provided your vehicle manufacturer allows it.  Run out to your vehicle and fish the owner’s manual from the glove box. Or open a digital copy on your phone. Somewhere in the back you should find the motor

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How Does Synthetic Motor Oil Increase Fuel Economy?

Positive about Gas Prices

Increasing fuel economy remains a top priority for most automakers. Corporate average fuel economy (CAFE) requirements may be in flux, but gas prices continue to inch upward.



What Happens if I Use the Wrong Weight (Viscosity) of Oil?

What if I use the wrong viscosity (weight) of motor oil?

It depends on how your engine is built and how it reacts to the specific viscosity of oil you use. That’s pretty nebulous, so here are some examples.



Lubricant Viscosity Explained

Pouring Motor oil

A lubricant’s viscosity and how it changes under different temperatures and operating conditions is one of the most important properties that determines lubricant performance and protection.