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#1
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Ethanol In pumps ????
I have noticed that more and more ethanol has been mixed with the fuel in my area. I have noticed that 90% of the stations have 87 and 89 with "up to 10%" ethanol on the tag.
How does this affect a tune that was written for true 87 or 89. Also the pumps are generically labeled so how do I know that there not adding it to their 91 octane. I have been selective on where I fuel up case I don’t know anything about ethanol. I have been able to find someone that doesn't have a sticker on their 91 octane. Any input?
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SUPERcrew AF1, EDGE, and EFANS with Magnaflow Exhast SISO. Expy Console and Rear Seat Swap! Eagle 16's with 285-75/16 ST's Gryphon Tuner soon to have custom tunes by PHP! |
#2
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Nice question, twintips! I suspect, to get the BEST out of a tune, it SHOULD be rewritten to account for 10% ethanol. But, since it's really been coming in as a "standard" for the past year or so, it's quite possible our tunes have been written to take the gasohol blend into account.
And, I think if the 87 and 89 blends are E10, then the 91 is too. The good thing about E10 is, it won't damage a pre flex-fuel engine (at least we think it won't) :lookaround1: I doubt the long term effects are really known yet, kind of like some of the "wonder drugs" that have been pulled off the shelves recently in your favorite drugstore. It seems to me we are going to have to live with it. Some of us went through a similar experience many years ago when it was decided lead was bad for us and Ethyl gasoline was no longer made available. Suddenly, a whole bunch of high compression engines were left high and dry - mine included. Oh, yea, they came up with an unleaded alternate, but, it was not the same! We can still make those cars run, but, trust me, they don't run like they used to. Bill would be the one to answer your "tune" change concerns though. - Jack
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2024 F150 Platinum SCrew 3.5L PowerBoost FX4, Peragon Tonneau Cover, LineX Bed, 35% Window Tint on All Sides and Rear, Full Nose Paint Protection Film, Husky Mud Guards, Lasfit Floor Liners, VIOFO Dash Cam |
#3
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Quote:
But everywhere I fuel up it seems the 87 and 89 have "up to 10%". That scares me for when I want to run some tunes that are 89. If they need to account for the ethanol then they would need to know the percentage and they can only give a ball park. |
#4
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all of the stations down here have switched to 10% ethanol on every octane
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#5
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THats retarded
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SUPERcrew AF1, EDGE, and EFANS with Magnaflow Exhast SISO. Expy Console and Rear Seat Swap! Eagle 16's with 285-75/16 ST's Gryphon Tuner soon to have custom tunes by PHP! |
#6
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I see alot of 10% pumps in Phoenix. Now that I think of it, that's all I remember seeing..
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2000 Black Excursion, Two 400hp 7.3 blocks with windows |
#7
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So look what i found today. Below is a picture of a pump that i filled up at and at the top is a sticker that says "may contain ethanol".
And i was so bummed un tell i read this on the 91 octane nozzle. Why cant they all do this. I looked as i drove by three other stations of the same brand and none of them had that sticker. I know where im goign to get my fuel from now one!!! |
#8
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I am actually surprised they offer surpreme without it since the others have it, but the question is, how long will it last that way:lookaround1:
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