Has anyone here ever used a water injection setup on their sup's or any other car for that matter? I'm hearing about significant gains in HP and in milage with water injection kits....
If set up properly, a portion of the water WILL burn. The reason being is that water is made up of Hydrogen and oxygen (which I know you already know), and both of these burn VERY well (again, as I am sure you know.) Certain water injection systems are set up in such a way that some of the water or water alcohol is sprayed so fine that it is indeed possible to burn the mix... tho this is more on the Alcohol systems... guess I shoulda been more specific on that.Norbie said:Who told you water will burn? I assure you this is not the case! What it does is flash into steam, thus absorbing latent heat from its surroundings.
The point of water injection is to reduce combustion chamber temperatures, which allows you to run more boost/compression/ignition advance. It does not increase the octane of the fuel, but it has a similar effect. If you tune your engine accordingly you can see worthwhile gains, but I doubt it would be worth it on a NA 5M-GE unless it was heavily modified.
A nice side-effect of water injection is it keeps you pistons and combustion chambers squeaky-clean; it effectively steam-cleans the engine's internals every time you use it!
I have heard the same claims, since 1980, but still 20+ years later, nothing substancial about it, other than what has already been listed above. From what I remember from an article that I read in 1979/1980 time frame, the water injection was to help cool the piston down to keep the fuel mixture from preigniting (ping). I was looking into the water/alcohol mixture, because the alcohol in it was suppose to help with the octane rating. I worried about things like, where does the water (which doesn't burn (but I could be wrong :shock: )) go after it leaves the cylinder? Would it rust my exhaust, headers etc? Stupid idea I know, but I could never get a clear answer on that. Some of the B52's use water injection to help them get off the ground, so there must be something to it.TOYMAN321 said:Has anyone here ever used a water injection setup on their sup's or any other car for that matter? I'm hearing about significant gains in HP and in milage with water injection kits....
I have yet to see a water injection setup capable of supplying anywhere near enough water for this to happen. A 2.8 litre engine consumes a LOT of air (93 litres per second at 5000rpm assuming 80% VE), so you'd pretty much have to pour water into the engine from a bucket before it would lock! This is a far cry from the small fogger nozzles used with water injection...williamb82 said:oh, and if you spray too much water you can create a condition known as hydro lock, which is where your engine will lock up as water cant be compressed.