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      11-20-2012, 07:28 PM   #111
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Quote:
Originally Posted by CHECKERED View Post
hate to be the bearer of bad news,
I have inside information that flex fuel cars (vehicles that are designed to run pure E85 from the factory) are having issues with the high alcohol content removes the plasticizer added to plastic/rubber parts to make them more elastic, they end up drying up and cracking prematurely.
I wonder if this can be related to the vehicles that say "Flex Fuel Ready" but are really not. I don't have any documentation, but have heard that the vehicle says "option to be E85 ready" thus the consumer thinks it is but its really not.
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      12-04-2012, 06:39 PM   #112
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people have been running higher ethanol content than any n54 in 90s cars for a decade without melting hoses. the worst you're going to see is a rusty injector.
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      01-14-2013, 12:42 PM   #113
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SO i have been reading threads and threads and post about this and looks like in the community its about 50 50 on supporters and those who do not support.

My question will i see any detrimental or advantageous effects if i run maybe 3-4 gallons of e85 fulled by 93. Yes i understand people are running 50/50 for 40k and have no issues, 40/60 60/40 etc etc.

My car is stock right now. Parts to be added are CAI, JB4, DPs, hopefully IC and i believe that is it.

I know that the small mixture will help with timing, but is our timing that bad that it needs to be amended?
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      01-19-2013, 03:07 PM   #114
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Quote:
Originally Posted by cookie.MONSTER View Post
SO i have been reading threads and threads and post about this and looks like in the community its about 50 50 on supporters and those who do not support.

My question will i see any detrimental or advantageous effects if i run maybe 3-4 gallons of e85 fulled by 93. Yes i understand people are running 50/50 for 40k and have no issues, 40/60 60/40 etc etc.

My car is stock right now. Parts to be added are CAI, JB4, DPs, hopefully IC and i believe that is it.

I know that the small mixture will help with timing, but is our timing that bad that it needs to be amended?
For guys/gals like me with ACN 91 octane will and can benefit from adding 3 gallons of E85 Pump. This will allow us to run more aggressive MAPs/Tune that are rated for min. 93 octane. Since you have 93, i don't see a huge benefit other than maybe cleaning up some timing if any. But I wouldn't add more than 3 gallons without the proper tune.

now if you go to the MAP on your JB4 that supports E85 Pump, then you will see a bump in ponies.

I have a pro E Tune @ E50 (50% ethanol not 50/50) blended with ACN 91, and have a kick ass ride with just DCI and FMIC. High Ethanol is a beautiful thing sir.
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      01-19-2013, 10:19 PM   #115
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i was running 70/30 93/E85 over the summer and now i went back to straight 93 and having misfire issues... go figure. Drove like a animal tho, she loved it...
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      06-25-2013, 10:31 PM   #116
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for a quality thread - lots of good info here.

FWIW, I started experimenting with E85 about a month ago based on a post from VNeBLOB42, and it's definitely cleaned up my timing issues from California's ACN 91 octane "piss gas." Full disclosure, I have gotten a few fuel pump codes while using the off-the-shelf COBB maps (St2+ Aggressive and St2+ Sport), even though I never blended more than 3.2 gallons of E85 to a full tank. No issues while using E85 on St2+ Drive (yet).

Take-away, I don't want to scare anyone as I'm just figuring out the right ratio to run for my car. I'm really pleased with the results so far and plan on continuing using E85 as the car's running better than when I was blending in race gas as an octane booster.

Eventually, I'll get a Pro-Tune to use E40 or E50 and will probably end up doing some type of Low Pressure Fuel Pump (LPFP) upgrade. I'd rather not mess with the OEM LPFP, but don't know how to swing the additional LPFP used in series with the OEM pump without using the JB4 like some of the guys are using on the "other forum."

Oh, and I store (qty 3) 5 gallon tanks of E85 in my garage to blend in with ACN 91 since the nearest E85 station is 20 minutes from my house. No issues with water absorption so far.
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      06-27-2013, 11:25 AM   #117
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Quote:
Originally Posted by SneakyDeeky View Post
for a quality thread - lots of good info here.

FWIW, I started experimenting with E85 about a month ago based on a post from VNeBLOB42, and it's definitely cleaned up my timing issues from California's ACN 91 octane "piss gas." Full disclosure, I have gotten a few fuel pump codes while using the off-the-shelf COBB maps (St2+ Aggressive and St2+ Sport), even though I never blended more than 3.2 gallons of E85 to a full tank. No issues while using E85 on St2+ Drive (yet).

Take-away, I don't want to scare anyone as I'm just figuring out the right ratio to run for my car. I'm really pleased with the results so far and plan on continuing using E85 as the car's running better than when I was blending in race gas as an octane booster.

Eventually, I'll get a Pro-Tune to use E40 or E50 and will probably end up doing some type of Low Pressure Fuel Pump (LPFP) upgrade. I'd rather not mess with the OEM LPFP, but don't know how to swing the additional LPFP used in series with the OEM pump without using the JB4 like some of the guys are using on the "other forum."

Oh, and I store (qty 3) 5 gallon tanks of E85 in my garage to blend in with ACN 91 since the nearest E85 station is 20 minutes from my house. No issues with water absorption so far.
Thanks for sharing. If you wanted to fix the fuel codes you can adjust the fuel scaler in ATR. Which will allow you to run E85 without throwing codes. Or run the OTS E30 MAPs. May have to blend closer to E35 to off set the ACN 91. Remember, E30 means 30% ethanol, which rule of thumb is 10% is already in ACN 91.
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      06-28-2013, 06:40 PM   #118
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Quote:
Originally Posted by VNeBLOB42 View Post
Thanks for sharing. If you wanted to fix the fuel codes you can adjust the fuel scaler in ATR. Which will allow you to run E85 without throwing codes. Or run the OTS E30 MAPs. May have to blend closer to E35 to off set the ACN 91. Remember, E30 means 30% ethanol, which rule of thumb is 10% is already in ACN 91.
Good to know. I didn't realize ATR was free until just now. I may have to start experimenting with this. Until then, I plan on trying out the OTS E30 map as I just downloaded it onto my AP.
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      11-29-2013, 01:10 AM   #119
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Came across this thread while researching e85 mixes. Curious, is it Ill advised to run the e85+91 mix without a tune? All we've got up in Iowa around me is 91 octane as the highest and everyplace has e85. Was considering meth injection, gna test this out as sort of a midpoint so I hear.
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      12-11-2013, 12:37 PM   #120
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Quote:
Originally Posted by hatton View Post
Came across this thread while researching e85 mixes. Curious, is it Ill advised to run the e85+91 mix without a tune? All we've got up in Iowa around me is 91 octane as the highest and everyplace has e85. Was considering meth injection, gna test this out as sort of a midpoint so I hear.
If you ran E85 without a proper tune you may exceed the fuel trims, depending how much you add. Putting in 3gallons of E85 per full tank will just clean up any timing correction you may have. Probably not worth the hassle.
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      04-01-2014, 09:58 AM   #121
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does e85 lose its ethanol content if it starts to absorb moisture? i have had some e85 sitting in a sealed gas can in the garage sinceoctober/ november and tested the ethanol content and it still shows as being e70. would i still be okay to use some to clean up some timing corrections?
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      04-01-2014, 10:52 AM   #122
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Quote:
Originally Posted by Msport335
does e85 lose its ethanol content if it starts to absorb moisture? i have had some e85 sitting in a sealed gas can in the garage sinceoctober/ november and tested the ethanol content and it still shows as being e70. would i still be okay to use some to clean up some timing corrections?
I'd pour it into something clear and see if it's taken on any color of the container. Ethanol is corrosive and sometimes older containers corrode with it's presence. Honestly, I'd just go by some more, it's not like you're buying race gas...
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      04-01-2014, 11:19 AM   #123
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Quote:
Originally Posted by Msport335 View Post
does e85 lose its ethanol content if it starts to absorb moisture? i have had some e85 sitting in a sealed gas can in the garage sinceoctober/ november and tested the ethanol content and it still shows as being e70. would i still be okay to use some to clean up some timing corrections?
You answered your own question by the test results.
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      04-01-2014, 11:24 AM   #124
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I didnt test the ethanol content when i first got the fuel so im unsure if it started its life as straight e85 or if it was always e70

question is....is it still safe to use?
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      04-01-2014, 11:50 AM   #125
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Quote:
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I didnt test the ethanol content when i first got the fuel so im unsure if it started its life as straight e85 or if it was always e70

question is....is it still safe to use?
Just take ethanol content into consideration when mixing.
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      04-27-2014, 10:23 AM   #126
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how to make sure the ethanol is 85%? do you guys test it at the gas station?
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      04-27-2014, 10:52 AM   #127
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how to make sure the ethanol is 85%? do you guys test it at the gas station?
Yes.
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      04-27-2014, 11:49 AM   #128
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whats the best tester?
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      04-27-2014, 12:53 PM   #129
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whats the best tester?
You can get one from SteveAZ or..
http://www.quickfueltechnology.com/s...test-tube.html
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      05-01-2014, 05:45 PM   #130
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Quote:
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whats the best tester?
I've always had very consistent ethanol content, Propel Fuels at Shell Gas stations my pro tune was based from the same pumps. I just checked my logs at every fill up. once i was confident, i checked ever so often. Never used a tester, logs tell all.
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      05-01-2014, 07:23 PM   #131
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i tried the 50/50 mix with out testing the e85 because im waiting for the tester in the mail,and i experienced what seems like fuel cut at high rpm in 4th and fifth,so i backed of but otherwise it was pulling real hard. maybe the fuel pump?i know it was replaced 2 years ago.guess ill go back to 91 till i get my tester
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      05-01-2014, 09:40 PM   #132
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Quote:
Originally Posted by FrankyGTR View Post
i tried the 50/50 mix with out testing the e85 because im waiting for the tester in the mail,and i experienced what seems like fuel cut at high rpm in 4th and fifth,so i backed of but otherwise it was pulling real hard. maybe the fuel pump?i know it was replaced 2 years ago.guess ill go back to 91 till i get my tester
You don't list your mods. 50/50 is a pretty strong mix and definitely requires that you tune/plan appropriately.

At this point without knowing what you're running, your mods, and seeing a log there is no way to tell what's really going on.

Need more info
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