Forced Induction Custom FI Setup Questions

Water Injection 2008

Old 09-15-2011, 11:18 PM
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Join Date: Sep 2011
Posts: 7

whats up man, your probally a smart guy but did you know you could inject steam into your motor for just the reason of better gas milage and not just power? somebody did it in the 1950s or something and got over 100 miles to the gallon in a 5 thousand pound car lol

that would be nice to get twice as good gas milage in an honda or something than a prius lmfao
if you have netflix the steam injection thing is under " gas hole"

peace out and good luck!
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Old 05-01-2012, 11:00 PM
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Join Date: Dec 2006
Posts: 34

I have used water/methanol injection on my engines for years.

My 240D simply uses a 70cc nozzle right on the turbo outlet set to turn on at 5psi. The primary goal being intake air temperature reduction in place of an intercooler. Good for about 3hp at the wheels.

My 300D has a 2-stage system with 70cc and 210cc. First at 5psi, second at 13psi. The primary goal being more power from combustion of the methanol (40/60 mix). Dyno showed it was good for 15hp at the wheels.

Both cars use a Shurflo 8000 pump set to 110psi and -20 washer fluid, the 300D gets extra methanol.
The simple fact is water/methanol works and its well worth the cost, especially with diesels.
Attached Thumbnails Water Injection 2008-240dt3.jpg   Water Injection 2008-1system.jpg   Water Injection 2008-2valves.jpg   Water Injection 2008-300dwi.jpg  

Last edited by OM617; 05-01-2012 at 11:09 PM.
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Old 08-29-2012, 02:15 PM
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Join Date: Aug 2012
Posts: 13

Originally Posted by b18. View Post
No, water is an oxidation agent as well, it's highly reactive, especially in a combustion reaction where there is so much heat.

The water vaporizes, it never evaporates, i.e. it enters as water and in the combustion reaction gets split into Hydrogen and Oxygen separately, it reforms with excess molecules later. There is some amount of heat absorbed, but it's there for effectively the same reason the alcohol is, raising the octane.

Windshield washer fluid is water and methanol/some kind of propylene molecule.

But yea, this thread shouldn't stay here.

Yes, I know you posted this over four years ago; but since this is a sticky I'll respond anyways.

You have no clue what you're talking about, lol. The water molecules are NOT being split in half in the combustion chamber. I can go into a lengthy explaination, but I don't think anyone here cares to read it.
Attached Thumbnails Water Injection 2008-xbjcj0mg0kywozusvieoqq2.jpg  

Last edited by Robb235; 08-29-2012 at 02:21 PM.
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Old 07-31-2017, 04:02 AM
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Join Date: Jul 2017
Location: USA
Posts: 3

I wonder why?
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