5w30 versus 10w30
OK, the manual calls for 5w30. But heck, I live in coastal Southern CA. I never see temps below 45 or over 100. It doesn't seem like 5w vs 10w is going to make much difference to me. Or, maybe I'm just trying to rationalize this because the garage I like to go to doesn't normally have 5w30 in stock. What say all of you?
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