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Re: Engine Oil
5W-40 is a year-round oil just like 10W-30 generally is. The reason the US uses 10W-30 instead is for better fuel economy. 5W-40 is fairly widely recommended outside North America instead of our 10W-30. Having close viscosity ratings is beneficial though for other reasons such as less chemicals/more oil and better sheer stability; everything has its pros and cons.
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Originally Posted by Murlo26
I agree with Kracka.
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Last edited by Kracka; 05-06-2009 at 11:54 AM..
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