I was talking with a Teacher of mine who has a geo metro that get 50 mpgs. And He plans on putting a water injection system on it to get better gas mileage. Anyway I looked it up and I seems to make sense to me. I want to put one on my truck and get better gas mileage and more power. It works by putting an injector on top of your air cleaner that will put the water right into the carburator. There is a ratio of 5% water 95% gas.

And the water does a few things. Cools down the cylinder for a better compression ratio 2. Raises the octane of the gas 3. When the gas ignites the water turns to vapor and water expands better than gas 4. Not as severe of temperature change (keeps engine at a more stable/even temp even after the cylinder fires). All Clad Slow Cooker Troubleshooting Garage. I think it would be cool and a good Idea. And I guess it really works because he already has a car that has it and seems to work.

And I read that they used to put these things on world war II planes to get more power and speed at take off. I worked for a performance BMW shop called Hardy & Beck in the early 80's, we installed many turbos on big sixes and 4-bangers. We started installing water injection on some engines to eliminate detonation so we could run more boost, worked well and a side effect was that it kept the valves and combustion chambers very clean, cooler EGT but mileage was hard to check because of the lead foot that comes with the turbo kits.

The one thing you must be careful of is to make sure the system dose not SIPHON when the engine is off, the reservoir must be lower than the injector. If you have driven a turbo car for any length time you know it works best in the rain. I doubt seriously if you will notice any difference on a stock engine if you run the water at normal temps.

AEM Performance Electronics Water Methanol Injection System Evaluation. Mike Kojima posted on May 02, 2010 10:48. AEM gave me their latest. Find best value and selection for your Edelbrock Vara Jection 9356 Water Injection Kit NOS search on eBay. World's leading marketplace. Edelbrock 1406; If. Jul 30, 2006. He, I have a Edelbrock Varajection Unit, pn 9356 and was wondering if this is the same unit you have? I have the unit, but I don't have the instructions for the wiring for the unit and was wondering if you did? If so, would you be able to tell me what wire does what from the instructions. I have a black, white,.

Possibly there may be a difference if you cool it, or raise the compression on the engine. I put a system on a 78 Chevy pickup many years ago. It was nothing but another hassle. I did not notice any change in power or mileage. Actually, the addition of water will displace that much fuel and probably not be as efficient. As was said, it may have the benefit of keeping your combustion chambers cleaner, but not much else. If you want to get radical with the intake, plumb the a/c to cool the incoming air.

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I ran one on my 11:1 CR 350/350 with factory slant plug 2.02's from about '78 through '98. It allowed me to run 12 degrees initial advance with gas as low as 90 octance ((R+M)/2).

It worked great over about 110,000 miles. I ran alcohol/water when it was below freezing. In city driving I would use up to a gallon of water to 10 gallons of gas. In highway driving I could run less than a gallon of water to 100 gallons of gas. I did have to replace the pump motor once in that time, the water filter a couple of times, and the check valve at least 3 times.

The check valve went out the most often. I ran the tubing thought the choke rod hole on my Holley (I don't run chokes on my Corvettes) and made a sheet metal bracket to position the nozzle over the primaries and used an elbow off the nozzle so I could use the stock LT-1 air cleaner. When I went to aluminum heads with a much wilder cam, it was no longer required (10.67:1 CR, Brodix-8 Pro Heads 2.055 intakes, and a Comp Cams 294S Magnum camshaft. 1.6:1 ratio intake rockers).