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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