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What Octane Are The Eco Guys Running?

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Old 08-09-2011, 07:55 PM
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What Octane Are The Eco Guys Running?
I havent taken delievery of my truck yet and I'm just wondering what Ford is recommending? I hear it say's in the manual 87 at a min but 91 or higher is recommened.
 
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Old 08-09-2011, 09:11 PM
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I am about 4 to 5 tanks of gas on my eco & only been using 87. I have no issues with the 87 octane at all.
 
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Old 08-09-2011, 09:53 PM
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I'm running 93 for now. The manual says to use premium during hot weather or when towing. It ran ok on 87 but I wanted to see if mpg improved. Not much (about 19mpg) but my foot keeps pushing down hard on the right pedal. It's a lot of fun! I can see some speeding tickets in my future
 
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Old 08-09-2011, 09:59 PM
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I run what octane I'm tuned for.
 
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Old 08-09-2011, 10:05 PM
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I've got just at 11,000 miles on 87 and not had any problems with it at all. I've thought about using the better stuff but have never gotten around to trying it out. For now I'm happy to be getting a good 3-4 MPG better than my 5.4Ls would have.
 
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Old 08-09-2011, 10:06 PM
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87oct like it is suppose to be run on
 
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Old 08-09-2011, 10:13 PM
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Originally Posted by Super FX4
87oct like it is suppose to be run on
Is that what the manual says? As many people say it says to run 87 at a minimum but recommends 91 or higher.
 
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Old 08-09-2011, 10:56 PM
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87, has been running great.
 
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Old 08-10-2011, 07:14 AM
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You can download a PDF of the owner's manual which states:

Originally Posted by 2011 F-150 Owners Manual
Octane recommendations
...
3.5L V6 EcoBoost™ engine
Your vehicle is designed to run on regular fuel with an octane rating of
87 or higher. For best overall performance, premium fuel with an octane
rating of 91 or higher is recommended. The performance gained by using
premium fuel will be most noticeable in hot weather or in severe duty
applications such as towing a trailer.
 
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Old 08-11-2011, 11:30 PM
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I've got 9000 on mine with nothing but 87 in the tank
 
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Old 08-12-2011, 01:24 AM
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I have close to 900 miles on mine with 87 octane every fill up so far.I also raced down the 1/4 mile drag strip also on 87 octane.I'm very happy 2 weeks in a row filled up 18.29 mpg last week and 18.07 mpg this week hand calculated.The computer said 19.06 mpg last week and 18.93 this week.

Later Mark.
 
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Old 08-12-2011, 08:50 AM
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First tank is 87 runs good, next tank will be 91 just to see how she runs.
 
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Old 08-12-2011, 09:35 AM
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Plan on running 87. For me anything else is just wasting money.

At a $1.22 a litre for 87 its not worth the jump to 91 to save a few mpg.
 
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Old 08-12-2011, 04:15 PM
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Originally Posted by Wookie
I've got just at 11,000 miles on 87 and not had any problems with it at all. I've thought about using the better stuff but have never gotten around to trying it out. For now I'm happy to be getting a good 3-4 MPG better than my 5.4Ls would have.
Wookie,

I usually purchase Shell from Lonoke or 367 in Cabot. Where do you purchase your gas? I've had some minor pinging on hard acceleration the last few tanks.

Blue
 
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Old 08-13-2011, 10:56 AM
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Originally Posted by Blue07STX
Wookie,

I usually purchase Shell from Lonoke or 367 in Cabot. Where do you purchase your gas? I've had some minor pinging on hard acceleration the last few tanks.

Blue
I get it from the Shell at the HWY 5 exit when I'm in Cabot. But lately the gas stations in NLR and Sherwood have been much cheaper so I have been stopping at the Valero at I30 and Broadway or sometimes the Fina or Valero on Brockington.

With the EB I haven't noticed a difference in gas stations as much as I did with my 5.4L.
 
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