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Anybody tune on 100% E85 on 2.7L EB yet?

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Old 07-26-2018, 10:50 PM
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Default Anybody tune on 100% E85 on 2.7L EB yet?
Hey guys!

As I mentioned in another thread I'm looking to see if anybody has tuned a 2.7L Ecoboost yet on full e85. If so what are the supporting mods, and what numbers did it put down? Looking to go full e85 on my 18' f150 stx supercab 2.7l ecoboost. Thanks!
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Old 07-26-2018, 10:57 PM
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Ok I'll be that guy, I could be wrong won't be the 1st time..don't think 2.7 can run E85..
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Old 07-27-2018, 02:16 AM
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Lol definitely wrong brother
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Old 07-27-2018, 06:49 AM
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Does yours have an E85 yellow sticker by the tank inlet?
read somewhere 5.0 is flexfuel and ecoboost are not.
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Old 07-27-2018, 09:15 AM
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It isn't flex fuel from the factory, but it has no issue running ethanol fuel.
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Old 07-27-2018, 11:04 AM
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Originally Posted by Chrisherr
Lol definitely wrong brother
Originally Posted by Mudder
Does yours have an E85 yellow sticker by the tank inlet?
read somewhere 5.0 is flexfuel and ecoboost are not.
From the factory I believe that the EcoBoost engine is not capable of E85.

The 5.0 in my 2018 is not FlexFuel while some 5.0 engines in other 2018 F150 trucks are FlexFuel. I have yet to be able to find why this is.
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Old 07-27-2018, 01:21 PM
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Originally Posted by Brand




From the factory I believe that the EcoBoost engine is not capable of E85.

The 5.0 in my 2018 is not FlexFuel while some 5.0 engines in other 2018 F150 trucks are FlexFuel. I have yet to be able to find why this is.
Job 1 builds weren't flex fuel, so most likely you have an early 2018 build...
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Old 07-27-2018, 04:32 PM
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Originally Posted by yonson
Job 1 builds weren't flex fuel, so most likely you have an early 2018 build...
It was a custom order that I took delivery on October 6th, 2017.
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Old 07-27-2018, 05:35 PM
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I'd be concerned about the fuel lines, etc. in a non-flex fuel vehicle running e85, seals and stuff. The engine under proper tune is just fine obviously.
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Old 07-27-2018, 09:39 PM
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The most Ive seen people running on the newer 2.7s is E50. My tuners said it may be possible to go a little higher but he hasnt tested. Most people are running around E30 on the older 2.7s
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