Quote:
Originally Posted by Sdav86
Would the Mobil 1 5w40 be a good choice for an all year oil?
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My vote? ...Yes. Good. "Approved"
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However the owners manual says 10W-40, 15W-40, 15W-50 for 50F/10C.
Oils change formulation over the years, and the reason manufacturers recommend a particular oil change over the years. The can of worms gets big.