Quote:
Originally Posted by Frank Lee
Build for the fuel you want to use. Here in the Midwest I could build a radically high compression engine and run it on E85 which is both high octane AND cheaper than regular. None of that premium fuel nonsense.
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I have no experience of using E85 for economy but I am interested to know what savings you might expect from doing that. How would your MPG change?
The reason I ask is that I am involved with high compression engines using E85 in motor sport. These engines produce significantly more power but do use a lot more fuel. Economy is not an issue in this application but if it were the increased fuel usage would more than offset the lower price. If increased performance were not a requirement, would an engine using E85 consume more than a similar engine using regular petrol?