GT Pony
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- 2015 GT Premium, Black w/Saddle, 19s, NAV
I'd bet you could run 5W-30 and beat the engine all day long and it wouldn't cause any oil related damage what so ever. Ford specifies the 5W-20 so they can get an extra 1/2 MPG rating to help their fleet MPG Gov't requirement goals. There is nothing any different in the 2015 and 2016 Coyotes from the Boss 302 Coyote which Ford recommends running 5W-50 in for track use.
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