Forum Discussion
artie2908
Dec 20, 2020Explorer
I have been in very cold weather with my duramax pickup truck where I was unable to plug in the block heater. Even though it sure would have been preferable, it wasnt a problem. Started right up I do use low viscosity oil 5W-40
Cold weather---- -20 to -30 below
Cold weather---- -20 to -30 below
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