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Premium Fuel Performance Question


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10 replies to this topic

#1 OFFLINE   Carguy1981

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Posted 05 November 2013 - 01:30 AM

I  an article that Ford claims the Ecoboost gets an increase of 20 horsepower and a 10 lb.-ft. gain in torque, they also claimed that they got an increase in MPG while using premium fuel.

 

Has anyone tried this?









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#2 OFFLINE   Crazy4aford

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Posted 06 November 2013 - 01:41 AM

I use the 91 I don't think that the higher gets better MPG



#3 OFFLINE   alyse

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Posted 08 November 2013 - 06:53 PM

I've heard it's a waste of money to use the high stuff.



#4 OFFLINE   Tucker

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Posted 09 November 2013 - 01:15 AM

Here is some info I found on ask.com makes sense

 

According to the American Petroleum Institute, premium traditionally has a slightly higher energy content, which can provide better gas mileage, but any gains will be difficult to detect in daily driving. If there is a mileage advantage, it will be a far cry from saying premium is cost effective and negates the extra cost.

The main difference between regular, mid-grade and premium gas is the octane rating, which is a measure of gasoline’s resistance to combustion. It’s commonly sold in 87, 89 and 93 grades; 91 or 92 are available in some areas. Certain engines (especially ones with a supercharger or turbocharger) need the high octane go-go juice to prevent engine pinging or knocking, which can be harmful to an engine.

Before you make your car shopping decision, though, remember that a car will run best on its recommended fuel. If the car requires (not recommends) premium, definitely use it unless only a lower grade is available. You should always use the gasoline that the automaker — not the dealer — recommends. That’s why it’s always phrased either “recommended” or “required.” If you don’t know what fuel to use, check your owner’s manual.



#5 OFFLINE   alyse

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Posted 13 November 2013 - 01:34 AM

That has some good insight.  Thnks for sharing.  Helps me understand it more. 



#6 OFFLINE   GRSMNKY

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Posted 24 December 2013 - 10:40 PM

I did find in the owners manual(yes...I read some of it) that using premium for towing or hauling may improve performance under these 

conditions. Although I have been using 87 octane the last summers, I can't say there was any problem. I will try using the premium next 

summer when I tow on longer trips for a comparison.



#7 OFFLINE   Crazy4aford

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Posted 27 December 2013 - 03:02 AM

that would be good info to know



#8 OFFLINE   UncleBuck

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Posted 06 January 2014 - 06:14 PM

That is good info.  If I don't use at least mid grade in my truck during the summer I will get the "knock". 



#9 OFFLINE   Ramtraitor

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Posted 06 January 2014 - 06:55 PM

Most newer engines have anti-knock sensors that when detonation occurs, timing is retarded to eliminate it. Some power is lost but not usually noticeable.


Edited by Ramtraitor, 06 January 2014 - 06:56 PM.


#10 OFFLINE   GRSMNKY

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Posted 14 May 2014 - 11:07 PM

See my reply here...

 

http://fordecoboostf...coboost-towing/



#11 OFFLINE   cockerdogs

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Posted 25 December 2014 - 04:30 AM

my explorer gets 16 highway mpg with regular 88 octane.  19 highway mpg with 91 octane.  3mpg/16mpg=19% difference.  $1.90 for 88 octane*1.19%=$2.26.  If premium costs $2.26 or less it's cost beneficial.  (all at about 75 mph constant speed).