To keep a 9500RPM + 900hp RB happy is no easy feat - trust me I know. Thankfully we have the highest quality E85 available on the market in our fuel cell- gosunoco sunocoracefuels E85R. We enjoy running ethanol due to its cooling properties and high octane levels, but with Sunoco’s blend they add Top Tier detergents to help clean your engine, chemical additives to help keep gaskets and seals lubricated paired with antioxidants to keep the fuel from degrading while storing. This all matters when running high performance engines especially during down time in between rounds. With other fuels (especially over the counter or out of the pump if you will) you will typically have to run conventional gasoline through the system to keep injectors from sticking, lines/fittings corroding, etc, but with E85R that has not been the case in our experience. Our injectors have been happy, our fuelab_fuel_systems brushless series fuel pumps have run flawless and all of our radiumengineering bits are 🍒....