This was an email to a gentleman in response to some questions from his children. I thought that I would re-print it here for what its worth.
As to whether the stuff ( Hydrogen Generation) works - yes but a qualified yes. If you expect 50 % mileage gains right off the bat, you probably won’t get them. If your expectations are more reasonable, 15-25% mileage gains then that is very do-able. Much depends on the car- those model years before the car computers and sensors were installed, can do very well with hydrogen generators due to the fact that they have a carburetor rather than a more sophisticated fuel injection system. Those cars/trucks after the advent of computers in cars and their data feeds called sensors do not do as well. The reason stems from the algorithms used by the computer manufacturers and the many functional objectives that go into a fuel injection system such as: fuel efficiency, power output, emission control, reliability, and on and on. Many of the objectives can be somewhat competing or working at cross purposes such as fuel economy and for example power output .
A hydrogen generator can bubble nicely in a 1975 Dodge for example, and be feeding into the closest vacuum hose to the carburetor and you will get nice gains. But and there is always a but, take my Mada 03 Truck. It has at least seven sensors, the important one for fuel to air ratio’s is the O2 sensor closest to the catalytic converter. This tells the computer to alter the fuel flow depending on the amount of O2,CO2 in the exhaust system. The basic algorithm might say if there is XX% of O2 in this area, either increase the fuel or decrease the fuel. Everything else changes as well. The power train module (fancy name for computer) messes with the throttle to either retard or increase, shifting can take place, and on and on. But any gains from the hydrogen are soon lost through the ECU’s data which is read that more fuel is needed to overcome the situation of more O2/CO2 in the exhaust system. This is just an illustrative point. Actually the fuel to air ratio is handled in a much different manner but the results are the same. Less leaning and more rich are the ECU’s response to the changes.
What we do, we experimenters, we feed hydrogen and oxygen, and water vapor into the closest point to the inlet manifold ( for fuel injected vehicles) to help burn more completely the fractionated gasoline molecules. So we get a cleaner burn; thats good for the environment, good for the owner cause his car burns cleaner and his engine is cleaner inside , and some extra miles per gallon come about as a byproduct. To keep the gain then, you have to somehow fiddle with the prime sensor-the Oxygen sensor so that the data being sent to the computer will allow you to lean the car/truck even more than the algorithm allows it. Many folks in the field work quietly keeping their gains and using what is termed an an EFIE ( Electronic Fuel Injection Enhancement ) to lock in those gains.
Boy, this turned into a major paper on the state of the art. Let me say that hydrogen generation is here to stay and has been for the past 90 some years or more. The technology has been known for a long time its just that the crises with fossil fuels has finally reached a boiling point. Added to the pinch we are all feeling is the spectacle shown on Television each day of the useless flailing about of the Congress and Administration busily playing politics as usual, and doing little to act for the people. I feel personally that Hydrogen Generation will bring you gains-but probably not 50-100%. If you are reasonable, if you want to help clean the environment, if you want to become part of this group of experimenters ( and there are a lot of us) and if you are tired of the inaction of our most deplorable Congress and Administration then join us but remember to keep your expectations reasonable.
I forgot to add that I have a free ebook, A guide to building or buying a Hydrogen Generator . If you will email me at jimclay1153@gmail.com I will send it to you. Let me know in the email whether you are going to build or buy. If you are just thinking about it mention that as well. My Posts are usually pretty educational if I do say so myself. I try and keep fluff out of the Post and just give you the straight stuff as I see it of course. Anyway, if you are interested in the free ebook drop me an email. All the best, thanks for stopping by, Jim























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