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DonR · 05-20-2009, 12:20 PM

Ethanol has less heat potential than gasoline. I believe around 25% less. You can lean the mixture out by adding alchohol, but I don't think your MPG will go up at all. Tuning your carb is a better idea.

Don

05-20-2009, 12:20 PM	#2 (permalink)
DonR Master EcoModder Join Date: Mar 2009 Location: Northeast Ohio Posts: 269 The Wife's Hot Rod - '09 Pontiac G8 GT Last 3: 23.22 mpg (US) Big Outback - '13 Subaru Outback 2.5i Little Outback - '02 Subaru Impreza Outback Sport Thanks: 0 Thanked 16 Times in 16 Posts	Ethanol has less heat potential than gasoline. I believe around 25% less. You can lean the mixture out by adding alchohol, but I don't think your MPG will go up at all. Tuning your carb is a better idea. Don