Quote:
Originally Posted by TiminIndy
I'm due for a change and was planning to get high mileage Mobil1 5w30. I see many are using 0W40 - I can never remember - which is better for winter?
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I've been using Mobil 1 0W-40 forever. The 0W will be thinner than the 5W in winter weather, which is what you want for cold start protection.