Forum Discussion
carringb
Jul 02, 2019Explorer
My sister also has an Explorer Sport, with almost 70,000 miles. She runs premium too.She tows occasionally (17' ski boat) but mostly she likes the better performance. There is a noticeable reduction in throttle response lag, especially in warmer weather.
I've pretty much found the same in my Focus EcoBoost.Fuel economy benefit is there but slight (about 3 MPG in mountain driving, not much different in town), but also a noticeable performance benefit. In hot weather, it noticeably pulls timing at low and mid RPMs at WOT. Plus I tow a utility trailer on occasion as well, and the Focus EcoBoost requires Premium when towing. It's not just recommended like the 3.5L.
I've pretty much found the same in my Focus EcoBoost.Fuel economy benefit is there but slight (about 3 MPG in mountain driving, not much different in town), but also a noticeable performance benefit. In hot weather, it noticeably pulls timing at low and mid RPMs at WOT. Plus I tow a utility trailer on occasion as well, and the Focus EcoBoost requires Premium when towing. It's not just recommended like the 3.5L.
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