E85 is suppose to burn 30% more, I think straight industrial methanol may be close to 80 to 90% more than race gas but it is a bunch cheaper per gallon and runs a lot cooler, it also burns a lot slower in the cylinders so it pushes down on the pistons quite a bit longer also
The one bad side of straight methanol that I'm aware of is the oil dilution due to methanol sucking moisture out of the air and having it condense inside the cylinders also as well as in the oil