Motor Oil Guide
Motor Oil Guide For Gasoline Engine : SN Introduced in October 2010 for 2011 and older vehicles, designed to provide improved high temperature deposit protection for pistons, more stringent sludge control and seal compatibility. API SN with Resource Co nserving matches ILSAC GF-5 by combining API SN performance with improved fuel economy, turbocharger protection, emission control system compatibility and protection of engines operating on ethanol-containing fuels up to E85. SM For all automotive engines currently in use. Introduced November 30, 2004 , oils are designed to provide improved Oxidation resistance, improved deposit protection, better wear protection and better low-temperature performance over the life of the oil. Some SM oils may also meet the latest ILSAC specification and /or qualify as Energy Conserving. SL For 2004 and older automotive engines. SJ