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I have been running 0w40 mobil 1 for over seven years with very good oil reports.
I have been running 0-40 Amzoil for a while until I had switched to 0-40 Royal Purple. Shortly after the switch I started burning a lot of oil so I wasn't sure.
Mobil 1 5w-30 in all 6 of my cars for years. 1 car is turbo and another is supercharged and the rest either slightly modified or daily driver. Keeps it easy and simple and Walmart sells the 5qt jug for $24.
