WHAT FUEL FOR THOSE WITH ECOBOOST??
#1
Senior User
Thread Starter
Join Date: Jun 2006
Posts: 142


I know you cannot use E85 but up here in northern Minnesota most 87 and 89 octane contain up to 10% ethanol. From my reading Ford says you don't have to use premium but is the 10% ethanol harmful to this motor??
#2
JL
#3
Junior User
Join Date: Mar 2012
Posts: 61

Is there any advantage to using midgrade fuel? Around here, regular and midgrade are normally the same price.
#5

#6
#7
Senior User
Join Date: Jul 2007
Location: North Georgia
Posts: 170

I've used the gas with both 10% ethanol and no-ethanol fuel, regular, mid-grade and premium. I've noticed a cleaner exhaust pipe (no soot build-up) with the ethanol-free gasoline. I don't know if that's good or not??
#9
Senior User
Join Date: Jan 2009
Posts: 156

I use 87 most of the time. I have run premium a few times and it seems to add 1 or 2 MPG but not enough to warrant its use for the price difference. I to have came accross a couple stations here in MN that offer the 89 octane for the same price. I always put it in when that is the case in all my vehicles. Though I don't know if I gain anything. Ethonal does us no favors for power or Fuel Efficiency. I use Oxy free fuel in all of my small engines and boat. Too bad is wasn't legal in my EcoBoost cause I would use it in there as well.
#11
Maybe so ! I have been driving modded diesels for the last 11 yrs.
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