Originally Posted by
Fivefingerdeathpunch
91-93 octane works in anything, it can make lots of power with the right setup. Supercharged or turbo doesn't much matter with the fuel type but what you can get away with can come into play sometimes.
E85 overall is better for making all out power, there is no substitute there besides C16 race fuel. You can do less "supporting" mods with E85 because of how well the fuel works at keeping cylinder temps down and knock away.
The trade off is that E85 will consume at a minimum 30% more fuel than regular unleaded gasoline, think more like 40-50% though. So if you care about fuel mileage, it's not the best option and even though the fuel is cheaper in most parts of the country you will be stopping twice as much so the savings is a wash.
Larger fuel pumps and injectors are required too and it's not something that works well in the really cold climates.
02-02-2018
