Which Car Oil is Right for my Vehicle?

Oil bottles on a retail shelf

When deciding which oil to use in your car, ensure you use the correct viscosity of oil that meets the correct performance specifications.



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.



Should I Use a Lighter Viscosity Motor Oil in Winter?

frozen diesel - thermometer in winter

Using a lighter motor oil viscosity in the winter can improve cold starts and maximize wear protection at startup. We provide all the details here.



How Does Synthetic Motor Oil Increase Fuel Economy?

Fuel economy

Synthetic oil allows for lower viscosity without compromising wear protection and better cold-flow, both of which improve fuel economy.



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. Josh buys a new car that requires 0W-20 motor oil. He hangs around enough gearheads to have heard the old axiom that “higher viscosity oil equals better

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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.