conventional-synthetic

  1. D

    Using conventional 10w30 in the summer and 5w30 synthetic in the winter

    (Skip to the second paragraph to get to the background of my question, and the third for my question) Hey folks, this is my first post. Realize as I write this I'm hesitant to write it, because I can already hear the obvious objections, but I gotta throw something on the wall and get my name up...
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