Originally Posted by Warp Factor

Lots of myths about ethanol. Ethanol actually burns cooler than gasoline. Corrosion hasn't turned out to be the problem people thought it would be, even when putting E-85 in older fuel tanks (they convert to E-85 on some high-performance vehicles because it makes a good "race gas".... it's higher octane and burns cooler, isn't as toxic as leaded gas, and is easier to get).

Premium gas in Michigan has contained ethanol for at least 20 years now, and there haven't really been problems with it. Yes, it will run slightly leaner on older engines without oxygen sensors, which can't self-adjust to get the slightly richer ideal mixture.

Storage? People put vehicles up for the winter all the time in Michigan with E-10 in the tank, with no problems in the spring.

Running "regular" gas? Sure, it will work, but it takes away some of the safety margin against detonation, a major engine destroyer. And when the engine management system senses detonation (and it will do this before you can hear it), it will pull timing, costing some power and fuel economy.

I've had the same tankful of E-10 in in my standby generator for two years now, and there is no fuel or water separation, and nothing else strange going on.

Originally Posted by 98hotrodfatboy

I have to agree, I have heard that ethanol does burn cooler creating less heat in the combustion chamber which in turn allows the motor to run cooler which will make more hp. Just like the old fuels we used to use at the race track. Remember CAM 2 race fuel. It allowed the motor to run cooler.less friction more hp plus do you think nascar would use it if it wasn't beneficial...