Ford Focus Forum, Ford Focus ST Forum - View Single Post - What octane fuel to use?
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Old 10-31-2012, 01:44 PM   #20
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Quote:
Originally Posted by zetecDon View Post
Tom wasn't trying to cast you out here. He was just merely stating the fact that he has seen performance runs on a dyno when people are using E85. I know a few people who have ran E85 also. They get mixed results varying on where and when they get it. Just because you have some experience on it does not make you an expert on it by any means. As Tom and I have said before, there really is no regulation on E85. That means you can have an octane rating of 102 one day then the next delivery will be down around 82 octane. The only thing I would suggest to someone is to read up and learn as much as you can about E85 before even attempting to use it.

I appreciate your feedback, Don. As I stated in my last post, I don't claim to be an expert on the subject. I just have personal experience using it. If you, Tom or others have done tests on a dyno to verify the data, then you perhaps have better information than I do. I am just wondering how old that data is. The ethanol process has changed dramatically since its inception in the 1970's. Much of the negative information that is out there on the web is based on that old DOE data from the '70's and is no longer valid. As to the statement that it is not regulated, where do you get that from? It most certainly is regulated in Minnesota and has to meet a specific standard. Since 2007 it has been blended nation wide at up to 10% as per the RFS of the "Energy Independence and Security Act" and this act set some standards for ethanol production and use.
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