engine oil question

HQL

New member
i have a noob question, just wondering what happen if i put some 10w30 in my engine instead of 5w30?
 
If your engine burns a little oil, the 10 cold starting wight will help a little. But in the winter, its going to be a little more sludgy due to the cold. It should matter unless your engine is full of gunk or if your starting is almost dead/
 
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