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Old 07-01-2008, 01:13 AM   #7 (permalink)
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The Japillac - '87 Honda Accord LXi Sedan
90 day: 31.77 mpg (US)

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Don't mess with O2 sensor...

Originally Posted by apgrok1 View Post
There is a debate on whether one should use a smack booster that keeps the Hydrogen and Oxygen gases together or a standard elecrolysis device that separates the gases. In the latter, only the hydrogen would enter into the engine. It all has to do with the amount of oxygen present in the combustion chamber. On one hand, extra oxygen would be good for the burn in the chamber, but the O2 sensor thinks the engine is running lean and will try to add more fuel. This dictates the use of an electronic device to fool the ECU. On the other hand, hydrogen alone uses more of the oxygen in the chamber, and the ECU will think the engine is running rich and will lean out the mixture. I have yet to see anyone try both methods to see which one is better.
The only sensor that needs to be messed with is the atmospheric or barometric pressure sensor it depends on what manufacturer decides to call it. This sensor tells the ECU what altitude you are driving and either leans or enriches the fuel mixture. Higher altitude leaner and lower richer. Put a 25k potentiometer switch on it and turn it down til the idle begins to lower. Don't go much farther or you may burn pistons and valves. You will also be able to tell if you went to far because your engine will run hotter.
Honda...the economical, renewable resource.

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