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  1. DURATEC Performance (2008-2011)
    I have a quick question. My 2.3 Duratec has 99,900 miles, I was thinking of running a little thicker oil than the recommended 5w-20. The guy at Autozone told me to try 10w-30, but I think that might be a little thick, especially seeing as it's cold out up here now during winter. Those auto...
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