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How bad is this?
Hello BITOG experts, I changed my oil today (2003 Merc c320) with the usual stuff, Mobil-1 0w40 and a Mahle polyester filter. The shock and horror came when i opened the oil filler cap and found this: This is my theory on it: The OCI for the car from the manufacturer is 10k miles and...- cnl64590
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- Replies: 25
- Forum: Passenger Car Motor Oil (PCMO) - Gasoline Vehicles
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Why not a 0w all the time?
Well, I must admit I have been reading bitog for a few years now. I must adnit I love the site and all the info. So thank you. After reading that oil viscosity article a few times, I came up with this perhaps naive question: Why would the averae syn user ever not use a 0wXX oil? Since all oil is...- cnl64590
- Thread
- Replies: 51
- Forum: Passenger Car Motor Oil (PCMO) - Gasoline Vehicles