Oil Selection: Why Is Oil Viscosity Important?
On the Valvoline blog, we often discuss the importance of oil viscosity for the selection of engine oils. Whether you are looking for motor oils for your passenger car, motorcycle, boat, or heavy-duty fleet, choosing the right oil viscosity is essential for engine life and performance. If you are still not sure what terms like ‘oil viscosity,’ ‘viscosity grades,’ or ‘viscosity index’ mean, do not worry. We have compiled this brief guide to the viscosity of oil to help you!
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