Ok, I don't really know anything about cars. I changed my oil to mobil1 10w30 a few days ago... a friend told me that, because of winter it's really bad to have 10w30 (on winter) and might brake my car.Is it really worth it to change it to 5w30, or can I wait 'til 3000 miles. I run my car around 400 miles a week, so the 3000 miles would be done around mid January, which is the worst part in winter here in New Jersey, which is getting colder and colder...
Toyota camry 1999 running on Mobil1 10w30 oil... is it bad?
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