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#4546875 - 10/18/17 07:10 AM E85
danielLD Offline


Registered: 08/12/17
Posts: 226
Loc: Chicago
Hey guys,

Has anyone ever put a full tank of E85 in a non flex fuel vehicle without doing an aftermarket injector and ECU set up?

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#4546901 - 10/18/17 07:36 AM Re: E85 [Re: danielLD]
blupupher Offline


Registered: 08/27/04
Posts: 4421
Loc: Katy, Republic of Texas
I am sure many have.

Are you asking about doing one tank or are you planning on doing it all the time?
What is the expected or hoped for outcome?

One tankful (accidentally or on purpose) will probably have no long term effects. Short term would be poor idle, poor performance, poor fuel mileage. The ethanol in that concentration will have a cleansing effect on the lines and injectors.

Long term, no idea, never looked into it, but depending on the age of the vehicle, it could cause serious issues (fuel line degredation, misfires, plug fouling, and other things).
Or the vehicle may still last forever, and just have poor fuel mileage due to the nature of ethanol having less energy compared to gasoline.
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1994 Honda VT1100C: Peak 15w-40/TG/2500 mile OCI
2002 Ford F150: GTX HM 5w-20/EcoGard Syn/1yr OCI
2012 Scion xB: QSUD 0w-20/CQ Blue/5k OCI


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#4546910 - 10/18/17 07:54 AM Re: E85 [Re: danielLD]
Astro14 Offline


Registered: 10/10/10
Posts: 8533
Loc: Virginia Beach
And, in some cases, in addition to the cleansing effect, you'll get a dissolving effect on parts like pump housings, fuel lines, seals and injectors....

Some guys on BITOG claim to have run their non-flex-fuel cars on E85 with no ill effects. Given the differences in stochiometric ratios needed for combustion of ethanol vs. gasoline, I doubt they ran well...some cars might not run at all.

I really wouldn't recommend it.


Edited by Astro14 (10/18/17 07:57 AM)
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#4546918 - 10/18/17 08:05 AM Re: E85 [Re: danielLD]
WyrTwister Offline


Registered: 01/13/13
Posts: 1505
Loc: Texas
A few E85 locations locally . It is cheaper than E10 . If you predict 10% - 15% less MPG , against the cheaper cost , it would probably wash .

I personally have not tried it .

On the other hand , there are a few locations that have 100% unleaded , at a higher cost . Tried that . No perceived difference .

Wyr
God bless
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Wyr
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#4546980 - 10/18/17 09:15 AM Re: E85 [Re: WyrTwister]
2015_PSD Online   content


Registered: 09/26/10
Posts: 7234
Loc: SE Texas
Originally Posted By: WyrTwister
A few E85 locations locally . It is cheaper than E10 . If you predict 10% - 15% less MPG , against the cheaper cost , it would probably wash.
I ran whenever I could find it while towing in my 2010 FX4, but E85 would have to be more than $1.00 per gallon less for it to be a wash vs. E10. My economy (even when not towing) would drop 4-5MPG--but the engine ran much better and pulled harder on E85 vs. E10.
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#4547152 - 10/18/17 12:27 PM Re: E85 [Re: danielLD]
skyactiv Offline


Registered: 03/02/13
Posts: 4394
Loc: The Midwest
If you look at the EPA MPG numbers on flex fuel vehicles, the mileage rating nose dives on e85
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#4547245 - 10/18/17 01:47 PM Re: E85 [Re: danielLD]
SubieRubyRoo Offline


Registered: 05/14/12
Posts: 1125
Loc: Winchester, Indiana
Yes, but if you look at the "EPA MPG ratings" for the manufacturer, the mileage ratings skyrocket! Shannow had a post on here that showed that a Tahoe/Suburban got an EPA calculated 97mpg because of the whole E85 calculation... the EPA doesn't consider the ethanol content in the MPG ratings for manufacturers, only the 15% gasoline.


Edited by JHZR2 (10/18/17 09:46 PM)
Edit Reason: Censor bypass

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#4547455 - 10/18/17 06:38 PM Re: E85 [Re: danielLD]
WyrTwister Offline


Registered: 01/13/13
Posts: 1505
Loc: Texas
97 MPG ? In a suburban ?

Is that a typo or supposedly for real ?

Puzzled ??????

Wyr
God bless
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Wyr
God bless

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#4547485 - 10/18/17 06:59 PM Re: E85 [Re: WyrTwister]
blupupher Offline


Registered: 08/27/04
Posts: 4421
Loc: Katy, Republic of Texas
Originally Posted By: WyrTwister
97 MPG ? In a suburban ?

Is that a typo or supposedly for real ?

Puzzled ??????

Wyr
God bless

yeah, sounds like a decimal is missing (9.7).
_________________________
1994 Honda VT1100C: Peak 15w-40/TG/2500 mile OCI
2002 Ford F150: GTX HM 5w-20/EcoGard Syn/1yr OCI
2012 Scion xB: QSUD 0w-20/CQ Blue/5k OCI


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#4547515 - 10/18/17 07:24 PM Re: E85 [Re: danielLD]
SilverFusion2010 Offline


Registered: 06/29/11
Posts: 1657
Loc: Crawfordville FL
They didn't factor in the antigravity effects of reindeer pulling the vehicle
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#4547520 - 10/18/17 07:29 PM Re: E85 [Re: danielLD]
TheKracken Offline


Registered: 04/18/17
Posts: 515
Loc: Fort Worth TX
I think it is supposed to be 97 mpg of gasoline....but E85 is only 15% gasoline, so it would take multiple gallons of the E85.
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#4547650 - 10/18/17 08:48 PM Re: E85 [Re: danielLD]
WyrTwister Offline


Registered: 01/13/13
Posts: 1505
Loc: Texas
Probably made sense to the bureaucrat that wrote it ! :-(

Wyr
God bless
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Wyr
God bless

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