Dear AquaTune, It's me, Larry, again. After buying and installing this new product of yours, AquaTunePlus on our '89 Ford Escort with a 1.9L engine, I was absolutely floored at the increase in the fuel economy! Not to mention the increase in the horsepower. Previously, this vehicle had an AquaTune unit on it. With this system it takes everything NOT to spin the tires. I think my wife thinks I'm doing this on purpose. The fuel economy went from 20 mpg to an astounding 37mpg! Please note, I just bought a 2004 Ford Focus (with 16 valve ram induction and all the goodies) that is designed to get the best of fuel economy and thisAquaTunePlus is outperforming the Focus, not only in fuel economy but, also horsepower. Thank you very much. I am so happy with these results I'm thinking of calling the news media, if that's all right with you.