Silly question but I needed to ask anyway...
Last night I needed oil and could only get 10-40. I usually use 15-40, or I used to use 20-50. I only used 1 quart and I usually use 2-3 quarts per week, so this will probably be gone soon. Was this bad? I don't think it was, and I knew that some oil was way better than no oil! Did I do right?
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