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Home >> Chevrolet >> 2007 >> Optra5 LS, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Lubrication System >> Maintenance And Lubrication >> Maintenance >> Explanation of Scheduled Services (North American Emissions) >> Engine Oil Viscosity

Engine Oil Viscosity

NOTE: Using engine oils of any viscosity other than those viscosities recommended could result in engine damage.

Engine oil viscosity has an effect on fuel economy and cold weather operation. Lower viscosity engine oils can provide better fuel economy and cold weather performance; however, higher temperature weather conditions require higher viscosity engine oils for satisfactory lubrication.

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