It’s very simple. You don’t change your engine or computer. A quart-size (95O cc) container is placed somewhere under the hood. You fill it with WATER and a little bit kind of powder. The device gets vacuum and electricity (12 Volts) from the engine, and produces HHO gas (Hydrogen+Oxygen) as shown in the video below.
FACT & EFFECT OF HHO
THE POWERFUL OF HHO