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Oil Opinions, 5w-40
I am a new diesel owner (2009 6.7) and I want to give my cummins the best possible treatment after purchasing this thing. So with that said I am preparing for an oil change in the future, around 10,000 miles. I noticed in the owners manual it states that I can run 5w-40 synthetic(Amsoil) for all temperature ranges. I live in northern NJ so it doesn't get really hot or really cold but I like the idea of faster oil pressure on cold starts.
Any opinions on running 5w-40 year round?
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2009 Dodge 2500 4x4, 6.7, G56 6 spd, 3.73 LS(was 4.10), short bed, crew cab. All stock.
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