Your average car will run OK on E85, provided the weather is not too cold. Cold ethanol just doesn't want to ignite too good. Flex fuel cars in colder climates have fuel pre-warmers.roy928tt wrote:Yes, they are flex fuel cars, and they adjust their tune to suit the fuel that is in the tank. They actually have a sensor that tells them the mix of fuel in the tank and the ecu adjusts to deal with that.
The air-fuel mixture won't be right, yes, but a normal fuel injected car will run just fine on E85. I've tested it on many cars.