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  1. 11-30-2012 08:19 AM #1
    tsjordan
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    Thoughts on E15?

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    http://www.usatoday.com/story/news/n...-cars/1735793/

    Thinking specifically of B8 S4s, any thoughts? I'm curious if people are concerned or think it doesn't matter.
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  2. 11-30-2012 08:26 AM #2
    dparm
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    This has been in the news for a long time. It won't happen, trust me.
    now: 2021 Mercedes AMG C63 S, 2017 Chevrolet Corvette Grand Sport
    past: 2005 Audi S4, 2011 Audi S4
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  3. 11-30-2012 08:39 AM #3
    AudiDTMA4
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    I specifically drive out of my way to get non ethanol 93 octane fuel.

    I have to deal with the issues ethanol causes all day at work and I'm not putting that crap in my cars.
    2018 Audi Q7 3.0T: Glacier White Metallic/Black, Prem +, Driver Asst. Pkg, Vision Pkg, 20" 10-spokes - Dadwagon 3.0
    2014 Audi Q5 3.0T: Moonlight Blue/Black, S-Line, Sport Interior, Nav, Adv Key, VAG-com's, 034 Intake tube Wife's Daily Driver - Momwagon 3.0
    2001 996 Turbo: Black/Black, Tip, Diamond Black BBS RS-GT's - Summer Car
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  4. 11-30-2012 08:46 AM #4
    OmahaB8
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    What issues do you see at work pop up? Curious because the only 93 or 91 in my area is 10% Ethanol (Nebraska).
    2010 Ibis Prestige - Strat Intake, GIAC Stage 2 + DSG File, Alu-Kreuz, H&R OE Springs, Hankook Ventus V12's, Lamin-X Tinted Headlights, Taillights and Fog Lights, RS4 Grill, Blacked Out Rings, P3 Vent Gauge, Complete Interior/License Plate LED Kit, Tinted at 18%, Vinyl Wrapped Window Trim
    Next: Meth once we have a proven kit
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  5. 11-30-2012 09:47 AM #5
    AudiDTMA4
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    To name a few....

    Increase fuel system wear and tear (typically resulting in more frequent service of seals, lines and rubber components.
    More complex calibration programs for various ethanol blends
    Decreased fuel economy
    Increased emissions and more variable FTP emissions certification results
    Cold start performance challenges

    The net is added cost to the product, and in the end the customer....
    2018 Audi Q7 3.0T: Glacier White Metallic/Black, Prem +, Driver Asst. Pkg, Vision Pkg, 20" 10-spokes - Dadwagon 3.0
    2014 Audi Q5 3.0T: Moonlight Blue/Black, S-Line, Sport Interior, Nav, Adv Key, VAG-com's, 034 Intake tube Wife's Daily Driver - Momwagon 3.0
    2001 996 Turbo: Black/Black, Tip, Diamond Black BBS RS-GT's - Summer Car
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  6. 11-30-2012 10:15 AM #6
    OmahaB8
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    Quote Originally Posted by AudiDTMA4 View Post
    To name a few....

    Increase fuel system wear and tear (typically resulting in more frequent service of seals, lines and rubber components.
    More complex calibration programs for various ethanol blends
    Decreased fuel economy
    Increased emissions and more variable FTP emissions certification results
    Cold start performance challenges

    The net is added cost to the product, and in the end the customer....
    appreciate the info....good to have insight from every angle. Unfortunately I'm stuck on at least a 10% blend.
    2010 Ibis Prestige - Strat Intake, GIAC Stage 2 + DSG File, Alu-Kreuz, H&R OE Springs, Hankook Ventus V12's, Lamin-X Tinted Headlights, Taillights and Fog Lights, RS4 Grill, Blacked Out Rings, P3 Vent Gauge, Complete Interior/License Plate LED Kit, Tinted at 18%, Vinyl Wrapped Window Trim
    Next: Meth once we have a proven kit
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  7. 11-30-2012 10:21 AM #7
    tsjordan
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    Quote Originally Posted by OmahaB8 View Post
    appreciate the info....good to have insight from every angle. Unfortunately I'm stuck on at least a 10% blend.
    In Colorado, I'm stuck too... although there is this list:
    http://pure-gas.org/

    Some in Colorado, none close enough to Boulder that make normal fill-ups worth the drive.
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  8. 11-30-2012 10:23 AM #8
    dparm
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    For direct-inject (FSI) cars, E15 will deplete the oil's TBN faster.
    now: 2021 Mercedes AMG C63 S, 2017 Chevrolet Corvette Grand Sport
    past: 2005 Audi S4, 2011 Audi S4
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  9. 11-30-2012 10:42 AM #9
    helix139
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    I wish I could get non-ethanol 93 around here. The couple of ethanol-free stations around here only carry 90 octane.
    2011 S4 Premium Plus 6MT, Sepang Blue Pearl, Black Silk Nappa, Sport Diff, B&O, B8.5 MMI 3G+ Nav, Ti Pkg
    APR Stage 2+ Stock/93/100/Valet, Eurocode Alu Kreuz, Eurocode USS Sways + End Links, Eurocode Meisterwerk SSK, Roc Euro Intake, Apikol Rear Diff Mount, Fast Intentions Exhaust, Escort 9500xi, Laser Interceptor, P3 Vent Gauge, VCDS
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  10. 11-30-2012 10:43 AM #10
    dparm
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    You could always add some octane booster with each fill-up.
    now: 2021 Mercedes AMG C63 S, 2017 Chevrolet Corvette Grand Sport
    past: 2005 Audi S4, 2011 Audi S4
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  12. 11-30-2012 11:41 AM #11
    helix139
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    Quote Originally Posted by dparm View Post
    You could always add some octane booster with each fill-up.
    Octane booster is kind of useless. Could do tolulene, but it would get expensive and be a big hassle. The place in town that has ethanol-free only does 89 octane fleet sales, and the next nearest place is 15 minutes away and has 90.
    2011 S4 Premium Plus 6MT, Sepang Blue Pearl, Black Silk Nappa, Sport Diff, B&O, B8.5 MMI 3G+ Nav, Ti Pkg
    APR Stage 2+ Stock/93/100/Valet, Eurocode Alu Kreuz, Eurocode USS Sways + End Links, Eurocode Meisterwerk SSK, Roc Euro Intake, Apikol Rear Diff Mount, Fast Intentions Exhaust, Escort 9500xi, Laser Interceptor, P3 Vent Gauge, VCDS
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  13. 11-30-2012 12:15 PM #12
    dparm
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    Agree, as long as you can at least get 91. The car will make its rated power on 91.
    now: 2021 Mercedes AMG C63 S, 2017 Chevrolet Corvette Grand Sport
    past: 2005 Audi S4, 2011 Audi S4
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  14. 11-30-2012 12:39 PM #13
    sirpickles
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    is this list totally inclusive? I'm shocked there are only 3 gas stations in my city.

    Quote Originally Posted by tsjordan View Post
    In Colorado, I'm stuck too... although there is this list:
    http://pure-gas.org/

    Some in Colorado, none close enough to Boulder that make normal fill-ups worth the drive.
    B8 S4 | 6spd | Brillant Black | Prestige | B&O | Carbon Inlays | Magma Silk Nappa | ADS/Rear Diff | Driver Assist
    Mods | 20% tint | AluFelgen SF-71 19x9.5 ET42 | H&R Sport Springs
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  15. 11-30-2012 12:43 PM #14
    ahcow
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    Thankfully we can get 0% 91 Oct gas from Shell up here. Only 0% ethanol gas available in Canada afaik (in Toronto anyways)

    I do go out of my way to fill up with Shell because of that.
    New: 2016 S3, Sepang Blue, Sport Seats, S-tronic, Tecknik, LED
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