There are many companies that have developed very good systems for supercharged and turbo charged engines. Few have systems for non-boosted engines. Water injection will also help vehicles that are driven in hot climates or when they are used for towing. My primary objective was to see if improvement in gas mileage was possible. Only when methanol or alcohol was mixed with the water did I see an improvement. The purpose of this site is to share the knowledge and experience I have acquired in designing and building my own system...
Learn how to build a multi stage water injection system.