Dr. Jerryrigger -
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Originally Posted by Dr. Jerryrigger
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Any HHO system waists energy, anyone who with a high school diploma should recognize this right off. The way it helps is by improving the burn of fuel mist, the same way supplemental propane injection works.
In fact supplemental propane injection (SPI) is a excellent example for this. With SPI you use you're normal fuel, you just add a little propane. This improves FE even if you factor in the BTU's of the propane you use. The idea is to burn more fuel in the cylinder, and send less of it to the cat.
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Does SPI increase how much oxygen the oxygen sensor sees in the exhaust?
CarloSW2