M1 0w20 AFE vs 0w30 AFE vs 0w40 UOA

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That M1 0W40 shear down too much for that mileage. Starting viscosity on 0W40 FS is 12.9cst. 5k should be piece of ckae for that oil that is designed for European vehicles that have 10-15k OCI.
Something does not add up there.
 
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