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Old 09-19-2011, 09:35 PM   #10 (permalink)
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Join Date: Mar 2008
Location: I flitter here and there
Posts: 547

highcountryexplorer - '86 Nissan 720 KC 4x4 ST with fiberglass cap
90 day: 21.78 mpg (US)

Elroy - '03 Ford Focus ZX3 w/Zetec DOHC engine
90 day: 32.89 mpg (US)
Thanks: 6
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Originally Posted by HydroJim View Post
Suspectnumer-i didnt realize you were using hho. So fs2 would be best.
Not using HHO currently...but have a DIY system. Might try the FS2-HHO since I have the HHO unit and it might be more sensitive to the use of fuel additives.

As far as I can tell...these dynamically adjust the air/fuel/timing in closed loop....over-riding the ECU to some extent....with the intention being greater fuel efficiency.

I'd have to see around a 10% gain for payback in 1 year though.

Do have an EFIE and know how to do sensor mods...just hate to start hacking the wiring.....
Carry on humans...we are extremely proud of you. ..................

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