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I will keep using 5w30 for general use in my 2017 because it is specified in the owners manual. The 2019s and 2020s are designated to use 0w40 for street usage.
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ZL1 Coupe, PDR, Exposed carbon fiber hood insert, My Link with Nav, M6 6 speed and Silver Ice Metallic. Mods done: ceramic window tint, GM Accessories Camaro floor mats and Roto-Fab CAI.
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