GG-buffon Posted April 24, 2014 Report Share Posted April 24, 2014 I read the manual, it suggests regular fuel(87 octane) is fine, but "recommends" 91 octane. I have read and most likely over-read too much info online, because of that now i am a little overwhelmed by so much information. I.e. price differnce/ savings, pinging, power difference from 0 - 60mph from an idle position, etc, etc. Would appreciate any advice, preference, etc with regards to which fuel type best suits the edge sport. Quote Link to comment Share on other sites More sharing options...
Waldo Posted April 24, 2014 Report Share Posted April 24, 2014 Premium will give you a couple extra HP that you will likely not even notice and will not improve your fuel economy enough to justify it's extra cost. Quote Link to comment Share on other sites More sharing options...
akirby Posted April 24, 2014 Report Share Posted April 24, 2014 Premium will give you a couple extra HP that you will likely not even notice and will not improve your fuel economy enough to justify it's extra cost. This. ^^^ It has to do with what they use for the official published ratings. Quote Link to comment Share on other sites More sharing options...
GG-buffon Posted April 24, 2014 Author Report Share Posted April 24, 2014 Thanks for the feedback waldo and akirby. Quote Link to comment Share on other sites More sharing options...
nickf1011 Posted April 24, 2014 Report Share Posted April 24, 2014 I've run nothing but 87 in my '11 Sport since the day I bought it. Seems to perform just fine. Quote Link to comment Share on other sites More sharing options...
omar302 Posted April 24, 2014 Report Share Posted April 24, 2014 I think the "91 octane" recommendation refers to the 2.0 engine. From the 13' owners manual: Octane Recommendations 3.5L/3.7LV6 engines Regular unleaded gasoline with a pump (R+M)/2 octane rating of 87 is recommended. Somestations offer fuels posted as Regular with an octane rating below 87, particularly in high altitude areas. Fuels with octane levels below 87 are not recommended. 2.0LV6EcoBoost®engine Regular unleaded gasoline with a pump (R+M)/2 octane rating of 87 is recommended. Some stations offer fuels posted as Regular withan octane rating below 87, particularly in high altitude areas. Fuels with octane levels below 87 are not recommended. Premium fuel will provide improved performance and is recommended for severe duty usage such as trailer tow. Quote Link to comment Share on other sites More sharing options...
nickf1011 Posted April 24, 2014 Report Share Posted April 24, 2014 I think the "91 octane" recommendation refers to the 2.0 engine. From the 13' owners manual: Octane Recommendations 3.5L/3.7LV6 engines Regular unleaded gasoline with a pump (R+M)/2 octane rating of 87 is recommended. Somestations offer fuels posted as Regular with an octane rating below 87, particularly in high altitude areas. Fuels with octane levels below 87 are not recommended. 2.0LV6EcoBoost®engine Regular unleaded gasoline with a pump (R+M)/2 octane rating of 87 is recommended. Some stations offer fuels posted as Regular withan octane rating below 87, particularly in high altitude areas. Fuels with octane levels below 87 are not recommended. Premium fuel will provide improved performance and is recommended for severe duty usage such as trailer tow. Yeah, I haven't looked in my manual recently, but unless they changed something, I'm pretty sure the 3.7L is recommended for 87 octane only. Don't think 91 or 93 increase power at all. Quote Link to comment Share on other sites More sharing options...
omar302 Posted April 25, 2014 Report Share Posted April 25, 2014 Ok, it seems 3.7 Mustang owners (same engine) had the same dilemma, regarding premium fuel and increased performance. Even though the owners manual stated the increased performance for the 5.0 engine and not the 3.7, they apparently found out that the 3.7 does actually benefit from premium fuel. http://m.themustangsource.com/showthread.php?t=487261&styleid=28 1 Quote Link to comment Share on other sites More sharing options...
Limited59 Posted April 25, 2014 Report Share Posted April 25, 2014 2.0V6Ecoboost? The 2.0 is NOT a V6 lol Quote Link to comment Share on other sites More sharing options...
omar302 Posted April 26, 2014 Report Share Posted April 26, 2014 2.0V6Ecoboost? The 2.0 is NOT a V6 lol Yes. You are right. But that's how it is written in the owners manual. Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted April 26, 2014 Report Share Posted April 26, 2014 As long as there are no errors in Capacities & Specifications Quote Link to comment Share on other sites More sharing options...
PrinzII Posted May 22, 2014 Report Share Posted May 22, 2014 Been using 89 on both my 2008 and my 2011. Nary a problem. Quote Link to comment Share on other sites More sharing options...
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