How much HHO

[Crossedivide]

I have a 2008 4.7L Tundra. How much HHO Production would you recomend starting with? Also, can you have too much HHO? I understand that you can lean your truck out so much you'll blow the motor but can you have too much HHO? I'll be using a Volo Chip

[sjrobinson]

I'm still new at this but lets see...

I'm sure youll get better suggestions but

I believe its half the size of your engine is good for the liters per minute of hho production. So yours is a 4.7 so 2.5LPM of HHO. That would be about three dry cells at 10-15 amps I think.

You can have too much HHO because the car will offset the excess O2 in your system and pump more fuel into the engine thinking theres not enough combustion. Thats what the Volo Chip is meant to prevent but it does not do the whole job. But itll give you more power.

I used the volo chip and it did nothing for my car though. So you may end up needing an EFIE or MAP sensor enhancer for more results.

Leaning your car is never good unless you have something to compensate for it. What you lean out in gas you make up for in HHO. Otherwise you risk destroying your valves and other components if the engine is too lean.

This is what I've learned. There are others with a lot more info but a site I found very useful is this:
http://us.generatorh.com/cgi-bin/f/h...eratorfaqs.pl?

[Crossedivide]

I'm still new at this but lets see...

I'm sure youll get better suggestions but

I believe its half the size of your engine is good for the liters per minute of hho production. So yours is a 4.7 so 2.5LPM of HHO. That would be about three dry cells at 10-15 amps I think.

You can have too much HHO because the car will offset the excess O2 in your system and pump more fuel into the engine thinking theres not enough combustion. Thats what the Volo Chip is meant to prevent but it does not do the whole job. But itll give you more power.

I used the volo chip and it did nothing for my car though. So you may end up needing an EFIE or MAP sensor enhancer for more results.

Leaning your car is never good unless you have something to compensate for it. What you lean out in gas you make up for in HHO. Otherwise you risk destroying your valves and other components if the engine is too lean.

This is what I've learned. There are others with a lot more info but a site I found very useful is this:
http://us.generatorh.com/cgi-bin/f/h...eratorfaqs.pl?

Thank you Robinson this helps me out

[sjrobinson]

Youre very welcome.

[Crossedivide]

I'm thinking about getting an Apexi Neo II (which allows you to trim your fuel at different RPMs) Using this type of EFIE cant I trim as much fuel as i want as long as theres enough HHO to compensate and that my exhaust temperature is ok? I'm assuming that my exhaust temp is what I need to be worried about and/or looking at when trimming my fuel. Is this true?

[Madsceintist]

If your exhaust temp is to high from excessive oxygen(lack of combustible fuel), you will quickly burn a valve or the top of a piston will melt through. There are some things to look at with this; you cut back the fuel too much, you will not have enough power and will take longer to burn up any engine parts than if you have enough fuel to run 'ok' and ad oxygen, as in a substantial vacuum leak, which will burn valves or pistons QUICKLY.

robinson;
Not cracking on yours alone, but I have seen this a few times and not just by you. But the O2 does not relate info that would be considered a "lack of combustion" ! It measures the amount of oxygen in the exhaust which the computer will adjust for what it knows is the incoming air flow and what it believes is the oxygen content of the exhaust, there-for increasing the amount of fuel to the engine. So as to have an approximate air/fuel ratio of near 14.7. If the O2 sensor is giving a continuous steady feed it will use that indefinitely, however if the O2 is faulty or inconsistent then the pcm, ecu, pcu, or what have you can and likely will set limp mode and run the pre-programmed default and keep near to the assumed fuel use on values from the air flow sensor and map(if present). On some models that were not equipped with air flow sensor and only a tps, then it uses that to determine fuel needed and the computer relies on the O2 and a map sensor for adjustment values. Most cars are able to run fairly well without the O2, in limp mode. However if the air flow meter or map isn't working well or at all you will likely not run or run poorly(usually due to dumping of fuel). I think that some will disagree and others will agree, but trying to alter the map or air flow meter signal is too tricky for these efie's and add on's. I have found it's much better and more of an advantage to restrict the air allowed in through the air intake, while adding the HHO. Works well for me!!

[sjrobinson]

Oh thank you, I never heard of restricting the air to help the HHO benefits. I'm trying to do HHO and performance mods to my car so I guess that wouldnt help too much. I just put in an air intake to increase flow.

[Crossedivide]

Thanks man. I've never heared of restricting airflow either and I just put in a KN air filter as well lol I've came across another way to manipulate air/fuel by using a fuel pump controller.. An interesting idea

[Brucewave]

Ich habe viel gelernt.












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