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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > General H2 Discussion

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  #1  
Old 06-09-2008, 03:57 AM
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Default Water Injection Installed

I made a makeshift water injection system for my H2 today. Cost me about $10. Expecting gains of 5-8 MPG.

Did the same on my mustang when I was in high school, worked great....gained BIG mpg's. My teacher was seeing gains of over 20 MPG using water injection.

For those that dont know, water injection is a PROVEN way to increase milage, and power (And reduce knock and let you run more boost if you have a supercharger). Not a mystery, not somthing that is a gamble, not some new age tech thing that costs $5,000..........its old school and it works, period.

http://en.wikipedia.org/wiki/Water_injection_(engines)

http://journeytoforever.org/biofuel_...earth/me3.html

Im under the asumption that the computer will raise IGN advance and lean the mixture (Better milage). If not, someone let me know and Ill have to pick up that device that allows you to connect the laptop to do it.

--John
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  #2  
Old 06-09-2008, 07:48 PM
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Default Re: Water Injection Installed

Please post the before and after dyno charts along with the fuel/air logging with you water injection. BSFC would also be nice to corroborate your thesis, as would be EGT. I do not doubt the power increase, as the injection acts as a "chemical intercooler". It is the MPG increase I suspect.

FWIW, Wikipedia is a editable source page and not to be used as an end all for hard information. The info is only as good as the lasy guy(s) who posted/corrected the info.

Also, for a non-boost charged engine, this idea will not access any more HP than stock. The added "octane" and cooling of the combustion chamber isn't needed in natural asperation.

And, it isn't water. Its either alcohol or methanol. Either of which is a corrosive to a stock engine.
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  #3  
Old 06-10-2008, 06:25 PM
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Default Re: Water Injection Installed

I piss on my air filter and have seen gains of around 35% you should try it....It really works!!
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  #4  
Old 07-06-2008, 06:59 PM
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Default Re: Water Injection Installed

Quote:
Originally Posted by finbox
I piss on my air filter and have seen gains of around 35% you should try it....It really works!!

you too, huh !
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  #5  
Old 07-06-2008, 09:35 PM
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Default Re: Water Injection Installed

Ducky if I'm responding to you when you were making your short comment after my statement concerning something else I do not mean to even begin to start crap.

If you pay close attention to my remarks about injection it was not about mpg but, about power. I feel whatever you inj. as long as it creates power then you need less throttle to maintain desired speed. I'm yet to be convinced that you can gain huge mpg increases inj. water until I see enough people getting it done. But, I do know that someone cannot get something new going without trying. Most increase in knowledge has come from people going out onto the edge of the envelope.

Now again I feel inj. or just additional cool air blown right on intake or heads as far as I know should help to increase power which can create the opportunity to use less fuel to maintain the same perf.

I hope I have clarified my thoughts as I hope to encourage experimentation on all vehicles in any way and for whatever reason.

TAZ
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  #6  
Old 06-10-2008, 06:28 PM
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Default Re: Water Injection Installed

Quote:
Originally Posted by johndjmix1
I made a makeshift water injection system for my H2 today. Cost me about $10. Expecting gains of 5-8 MPG.


--John
Quote:
Water injection (engines
From Wikipedia, the free encyclopedia
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  #7  
Old 06-10-2008, 06:41 PM
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Default Re: Water Injection Installed

Quote:
Originally Posted by johndjmix1
I made a makeshift water injection system for my H2 today. Cost me about $10. Expecting gains of 5-8 MPG.

Did the same on my mustang when I was in high school, worked great....gained BIG mpg's. My teacher was seeing gains of over 20 MPG using water injection.

For those that dont know, water injection is a PROVEN way to increase milage, and power (And reduce knock and let you run more boost if you have a supercharger). Not a mystery, not somthing that is a gamble, not some new age tech thing that costs $5,000..........its old school and it works, period.

http://en.wikipedia.org/wiki/Water_injection_(engines)

http://journeytoforever.org/biofuel_...earth/me3.html

Im under the asumption that the computer will raise IGN advance and lean the mixture (Better milage). If not, someone let me know and Ill have to pick up that device that allows you to connect the laptop to do it.

--John

Post pics please!
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  #8  
Old 06-10-2008, 09:26 PM
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Default Re: Water Injection Installed

Here is the link in Wikipedia: ya daffy ducks!

http://en.wikipedia.org/wiki/Water_injection_(engines)

http://en.wikipedia.org/wiki/Special...ction_(engines

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Last edited by MDimitri : 06-10-2008 at 09:36 PM.
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  #9  
Old 06-10-2008, 10:36 PM
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Default Re: Water Injection Installed

LMFAO.......LMFAO................







Come on now John...............you have to be kidding me. Cant wait to see how it works for you.
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  #10  
Old 06-11-2008, 05:16 PM
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Default Re: Water Injection Installed






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  #11  
Old 06-11-2008, 06:18 PM
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Default Re: Water Injection Installed

Quote:
Originally Posted by BlueTJCO
LMFAO.......LMFAO................







Come on now John...............you have to be kidding me. Cant wait to see how it works for you.
No kidding. Can't wait to see this train wreck. I predict a truckload of fail.
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  #12  
Old 06-11-2008, 06:32 PM
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Default Re: Water Injection Installed

Johndjmix1,

Where's the picture of the install?!

I'm starting to feel a chuckle coming on!
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