What Grade of Gas are you using?

[armoredsaint]

You can still get it in some places. Tracks, both drag and road racing typically have it also. It is a fortune though.

E85 is 108!


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I didn't know it can use E85?

 

[LokiWolf]

I didn't know it can use E85?

Expy can’t at full strength with the stock pump. Can’t flow fast enough.

It can definitely handle E30 with a tune to take advantage of it, probably even E50. Not currently tuning 2nd Gen 3.5TT for E, so not sure what the limit would be.


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[shane_th_ee]

And you would be wrong...



This is Fords own site, that says Premium.

Other parts of Ford’s site for other vehicles specifically mention 93.


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I sure wish someone had data on the standard eco-boost. In the mean time, I'll note see your marketing website (which only specifies "premium fuel") and raise you page 16 of the 2018 marketing brochure, which has no footnotes on the output of the standard Ecoboost but does have footnote 4 against the "Platinum Series". Footnote 4 is as follows "Horsepower and torque ratings achieved with 93-octane fuel."...

 

[joethefordguy]

you guys drive me crazy. a ******* contest starts over which octane is the "right" octane to use, according to Ford; three of you refer to Ford recommendations, and totally blow by that Ford recommends different octanes for 3 different model years. how surprising.

any manufacturer will recommend differing octane for different criteria - model year, engine, driving use, and possibly others. Please try comparing apples to apples before whipping out the machetes, guys.

 

[LokiWolf]

Ford EB Motor Power ratings are based on 93 Octane fuel.

Again, I partially don’t give a crap what the Ford documentation says. I have seen the Data with my own eyes.

Even if you haven’t look at the article I posted from Car and Driver. That is in Black and White from a source that makes their living testing vehicles.

Notice, I am not saying ALL motors. I am specifically referring to Ford EB motors because that is what I have experience with.

Want the rated performance in a Ford powered by an EcoBoost Motor, run 93, or 91 if that is all you have available. It is pretty simple!



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[LokiWolf]

totally blow by that Ford recommends different octanes for 3 different model years. how surprising.

Huh, my 16 Edge, 17 Expy, 15 Expy, and the above referenced manual from an 18+ Expy all say the same thing.

Minimum 87, recommended 91+.

They say 91+, because 91 is the highest some places of the Country can get.


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[aggiegrad05]

All EB engines say 87 ok but 91 recommended. No matter what the year.

 

[LokiWolf]

All EB engines say 87 ok but 91 recommended. No matter what the year.

Actually says “91 or Higher”. Again because 93 can’t be had in all parts of the Country.


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[Plati]

All EB engines say 87 ok but 91 recommended. No matter what the year.

I have some piss I can spray on this …

Ford says 91 (or 93) is recommended
for best overall vehicle and engine performance

… not just always recommended across the board for all people all the time ...

If you're not towing, not at a high altitude, and don't care about max horsepower/mpg
then 87 octane is just fine, according to Ford

I just didnt want somebody thinking they NEED to run premium
and spending money that they might otherwise need for BEER, that would be a tragedy

Feel free to ignore this if it bothers you!

 

[aggiegrad05]

I have some piss I can spray on this …

Ford says 91 (or 93) is recommended
for best overall vehicle and engine performance

… not just always recommended across the board for all people all the time ...

If you're not towing, not at a high altitude, and don't care about max horsepower
then 87 octane is just fine, according to Ford

I just didnt want somebody thinking they NEED to run premium and spending money that they might otherwise need for BEER, that would be a tragedy

Feel free to ignore this if it bothers you!

I think that’s completely fair and accurate. If you are comfortable with less than the full performance potential, regular octane is 100% acceptable.