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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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05-16-2020, 10:25 PM | #1 |
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Does summer e85 have higher ethanol content than winter blend?
As the title states, does summer e85 have higher ethanol content than winter e85?
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05-16-2020, 11:41 PM | #2 |
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Does summer e85 have higher ethanol content than winter blend?
I stand corrected:
Vapor pressure is now adjusted with additives, not ethanol percentage, all classes have the same 51-83% range. https://afdc.energy.gov/files/u/publ...l_handbook.pdf |
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05-16-2020, 11:45 PM | #3 |
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no. it's in the name. 85% ethanol.
what changes from summer to winter is the fuel additive packages--the stuff to clean injectors and make kittens purr.
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05-16-2020, 11:46 PM | #4 |
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The one station I went to all the time when I lived in Nor Cal was always the same year round. About 82%
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05-17-2020, 12:10 AM | #5 |
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Depends on state law. I have never heard of e85 be at 85%. Most of the time it is less. If I remember right, in California e85 had to be at least 70%. Some states it can be as low as 50.
One note, even at 82, I had to add some premium in the mix when it got cold for starting. And I'm talking California cold, like 45°f. I couldn't imagine starting pure e85 in real cold. Haven't found any in Idaho. I hear there is a couple stations in Boise. |
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05-17-2020, 12:23 AM | #6 |
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#tolerances
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05-17-2020, 05:28 AM | #7 |
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Here in Sweden E85 is 80-85% at summer time and 70-77% during the cold months. Fuel additives does not differ.
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05-17-2020, 10:49 AM | #8 |
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05-17-2020, 06:05 PM | #9 | |
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Quote:
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05-23-2020, 08:20 PM | #10 |
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Here in Minnesota my local gas station has 65% right now. It can vary depending on time of year, what state you're in and the price of regular gasoline.
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05-23-2020, 11:15 PM | #11 |
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Every state has different ethanol content with more in the summer than winter. Check Appendix E on page 35 and 36:
https://afdc.energy.gov/files/u/publ...l_handbook.pdf
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05-24-2020, 12:02 AM | #12 | |
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05-24-2020, 10:50 AM | #13 |
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What did you learn? I think he got confused. Ethanol is what is adjusted, not additives.
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05-24-2020, 12:21 PM | #14 |
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Do you have anything to back this up?
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