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  1. 2014-2018 Mazda 3 Skyactiv Engine and Performance
    Hi all! For my first free oil change the dealer used castrol syntec and I was very uphappy with cold/and low end performance. During idle my engine also seem to skip a few beats now. My city MPG droped by a few also. I decided to add moly since its suppose to help with those exact concerns and...
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