im pretty new with the duratec 24v dohc v-6 motors and i am wondering why they have 2 pulley systems. i know the one on the left side of my engine has the ac, alternator etc. but i do not know what the one on the right hand side if for. thanks 
1998 Mercury Mystique LS Dark Blue, Leather, 5spd, Duratec 2.5 L V-6 And Am Currently Ordering A SVT Contour Touring Style Wing, And Still Looking For The Body Kit
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