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For those interested in my project status
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Malice 1 Offline
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Post: #1
For those interested in my project status
I'm trying to build a really nice HHO system that can collect data others can learn from. So far I'd say I'm about 60% finished. I have installed all the supporting mods and instrumentation I need for my HHO generator.

I've attached a pic of the gauge system I built.
The top gauge is an Ammeter that goes directly into my HHO generator. It will tell me the status of my gen in real time as I drive. I'm using a smack generator, and those tend to use electrolyte rather quickly, so I can monitor the gen while driving.

THe middle gauge is a PLX wideband readout. It tells me my exact air fuel ratio in real time. THis will allow me to precisely set my EFIE for max efficiency without leaning the engine too much and causing damage.

THe bottom gauge is a manifold vacuum gauge. It allows me to monitor my driving habits and prevents me from having a lead foot all the time. Best efficiency is achieved if the car accelerates at no less than 10" of vac, cruises at 15-20", and idles above 17".

I've also learned that if I downshift when decelerating, and the engine pulls 24" or better, the fuel injectors practically shut off, and the engine goes ultra lean. It's a great way to save gas when slowing down on the highway.


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1994 Chevy camaro Z28 5.7L V8 M6
33mpg & climbing
06-05-2008 04:01 PM
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This Guy Offline
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Post: #2
RE: For those interested in my project status
keep us updated.

as far as the smack cell.. how many plates? how large are the plates? how are they arranged?

do you currently have any goals as to how many Liters/min?

me and you both have 3.8 fbody so im very interested.
06-06-2008 08:07 PM
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rpatzer Offline
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RE: For those interested in my project status
Malice 1 said- THe middle gauge is a PLX wideband readout. It tells me my exact air fuel ratio in real time. THis will allow me to precisely set my EFIE for max efficiency without leaning the engine too much and causing damage.

Just curious- how do you know when it is too lean? The Honda Insight can go to 20:1 ratio, but they have allowed for that leaness, both with the engine and the extra cat.
(This post was last modified: 06-07-2008 05:58 AM by rpatzer.)
06-07-2008 05:57 AM
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cyborgmexican Offline
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RE: For those interested in my project status
Thats effin' sweet dude! Could you post links or stores where you can get those gauges?
06-07-2008 06:55 AM
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This Guy Offline
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RE: For those interested in my project status
rpatzer Wrote:Malice 1 said- THe middle gauge is a PLX wideband readout. It tells me my exact air fuel ratio in real time. THis will allow me to precisely set my EFIE for max efficiency without leaning the engine too much and causing damage.

Just curious- how do you know when it is too lean? The Honda Insight can go to 20:1 ratio, but they have allowed for that leaness, both with the engine and the extra cat.

on cars that arent build for high A/F ratio's the ideal is 14.7:1 air/fuel

anything higher is considered lean.. lower is considered rich. at least for the 3.8l fbody.

when the car is too lean, you will get misfires, engine stutter, and lack of power. running lean too long will burn up your valves due to the heat. its not recommended to run lean for long.. wide band o2 sensors, like the Stand alone unit that malice has is ideal for reading A/F mixtures on the go.
(This post was last modified: 06-07-2008 11:16 AM by This Guy.)
06-07-2008 11:15 AM
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This Guy Offline
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RE: For those interested in my project status
cyborgmexican Wrote:Thats effin' sweet dude! Could you post links or stores where you can get those gauges?


search ebay for Wide band o2 sensors.

find the one that is the stand alone unit.

here i did the work for you
http://cgi.ebay.com/ebaymotors/PLX-SM-AF...enameZWDVW


which is an EXCELLENT price!
(This post was last modified: 06-07-2008 11:18 AM by This Guy.)
06-07-2008 11:18 AM
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colchiro Offline
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Post: #7
RE: For those interested in my project status
If you're going to use your existing o2 sensor, the meter type needs to be the same as the sensor. (Narrow band o2 sensor -> narrow band meter.)

Rick

Links: Documents / Tuning for Mileage | Toyota Sensors | Autoshop Sensor Tutorials
06-07-2008 11:42 AM
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This Guy Offline
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RE: For those interested in my project status
colchiro,

that PLX-SM wideband A/F kit has:

1 wideband o2 sensor
1 wideband A/F meter
1 Standalone unit.

actually the link i put might be wrong.. im not sure if that one comes with the meter... :shrugs:
06-07-2008 12:00 PM
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colchiro Offline
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RE: For those interested in my project status
Yes, was just an expensive sensor. Wink

Sorry, probably didn't read enough or would have realized that. Still, a person on a budget could get just the meter, if it matched their existing sensor.

Rick

Links: Documents / Tuning for Mileage | Toyota Sensors | Autoshop Sensor Tutorials
06-07-2008 12:21 PM
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This Guy Offline
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RE: For those interested in my project status
of course.. narrowbands are still good guessers
06-07-2008 12:29 PM
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