A properly formulated motor oil is critical for protecting your engine against LSPI. These technologies heighten the possibility of LSPI events, which can destroy pistons and connecting rods. Most new engines feature gasoline direct injection (GDI), often coupled with a turbocharger. LSPI is the spontaneous ignition of the fuel/air mixture prior to spark-triggered ignition. OE Synthetic Motor Oil features unique chemistry proven to protect your engine against the harmful effects of low-speed pre-ignition (LSPI). Protects Pistons from Low-Speed Pre-Ignition AMSOIL OE Motor Oil provided 47 percent more wear protection 1 than required by the GM dexos1 Gen 2 specification. For 100 hours the four-cylinder test engine is subjected to extreme, wear-inducing conditions. The Peugeot TU3M Wear Test (CEC L-38-A-94), which must be passed to meet the GM* dexos1® Gen 2 specification, determines a motor oil's ability to limit wear. Camshaft wear can result in poor valve timing, greatly reducing engine efficiency and leading to expensive repairs.
This added protection is particularly important in the extreme environments produced by today’s smaller displacement engines that often run lower viscosity oil. OE Synthetic Motor Oil provides excellent wear control and protects critical engine parts like pistons and cams. GM dexos1 Gen 3 (supersedes dexos1 Gen 2, LL-A-025, 6094M and 4718M).API SP (Resource Conserving), SN PLUS, SM.They are recommended for all domestic and foreign vehicles requiring any of the listed performance specifications: AMSOIL OE Synthetic Motor Oils are excellent for use in all types of gasoline-fueled vehicles.
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