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Old 07-09-2014, 07:59 AM   #7 (permalink)
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Join Date: Feb 2014
Location: Michigan
Posts: 384

Homer - '02 Pontiac Sunfire SE
Team Pontiac
90 day: 30.05 mpg (US)
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Should HHO work? Yes, in theory. Does it work though? Usually not. You might have a small chance of getting a small improvement. By small were talking less than 1 mpg here. But even a small improvement is unlikely, actually I should say highly unlikely.

One if the biggest issues with systems like that is that your cars computer is just going to adjust for the HHO so you won't get any gain.
Aiming for 50 MPG from an automatic.
See how I'm doing here, My Build Thread

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