E85 vs Gasoline Why Fuel Is Important To Making Safe Power Acceleration & Sound Misc Street Races by turboandstance - December 13, 2019 The guys from Humble Performance take a Kraftwerks S2000 and tune it on flex fuel to demonstrate the differences between good gas and poor gasoline. The S2000 made over 400HP without a problem and will be great for daily driving without an issue. Watch the video, leave a comment and follow us also on Facebook, Instagram or Pinterest! Leave a comment