Conflict: Oil vs. filler cap

[TallPaul]

Quote:

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You have to be careful in LA. It drops down into the 40's. ... I think you could sneak by with 10w30 but just barley.

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You're joking, of course?

I run 10w30 and 10w40 in SE Michigan and we get a couple weeks or so of 0F and it's below 40 for several months, day and night.