For the one or three of you who are interested, I've made some final design progress. The control circuit is actually a 2-part failsafe circuit, and got a bit complicated. In a nutshell.......

ENABLE CIRCUIT: Draws from 12v ACC power (only when the key is in ACC or IGN), through a MANUAL switch marked 'enable', energizes the 12v enable relay, which sends 12v through a pressure switch that conducts between 30 and 40 PSI, which will run my air pump. A green LED will illuminate if the ENABLE switch is made, and an orange LED will illuminate only when the air pump is running to pressurize the water tank.

In ENABLE mode, no water is being delivered to the intake. The only thing this circuit does is pressurize the tank, and wait for the RUN circuit to demand water.
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RUN CIRCUIT: Draws 12v ACC power, through a limit switch that does NOT conduct when the transaxle is in park, through the NO contacts of the enable relay, and through the manual RUN switch, engaging the 12v Solonoid valve which allows water to run to the intake. A red LED will illuminate if the */V is open and delivering water.

In RUN mode, the car must be on, NOT in park, ENABLE mode must be active, and RUN must be selected to deliver water, so that water cannot be delivered to a non-running engine.
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In the cockpit, there will only be 2 switches, (enable and run), 3 led'* for system status, and a limit switch under the shift console. In the trunk, there will be a relay, a valve, and a pressure switch (oh, and a water tank!). Under the hood, there will only be a 35psi fogger (water mister) mounted to the */C plenum. The water tank will have a sight glass for determining water level, the air inlet and water fill will be in the top, the water outlet in the bottom.

I have all the parts and am assembling.......stay tuned for BOOM
Hey, isn't RICE commonly cooked in WATER?

Keep me posted.. sounds sweet.. any difference yet from your stage 1 to stage 2 ??

The real difference between stage1 and stage 2 is that stage 1 just dripped the water in at an uncontrolled rate. I was just trying to prove it would benefit me. I think it was too much water, but it did gain boost. Stage 2 will use a mister, with a controlled amount of water at a constant pressure....not to mention a fancy failsafe control circuit, and a bigger tank. Big step up from 1/2 a pint to 3 gallons!

I built my 'control rack' at work last night. It will live in the trunk with the water tank. It has the control relay, pressure switch, and valve mounted to it. Came out pretty nice! The only thing standing in the way of progress right now is the tank. I'll be building it this weekend, and then I'll be able to test the system....out of the car.

I don't want to drill any holes for switches or LED'* until I'm sure about this thing.
I have EVERYTHING I need now, except the tank.

Sounds like it'* coming along great... a little complicated sounding to install, but hey if it helps thats great. What about in cooler climate. I know I can definitely not use it in winter, and would work excellent on hot summer days, but when would we know that the tempreture is cool enough that we don't need the water injections on ??

Don't laugh. I was seriously considering adding a humidity and a temperature sensor, to make this thing fully automatic. I just wanna get it working first. The water will benefit you at any temp or humidity, but not as much when it'* cool/foggy/raining.

As a rule, I'm not going to run it if the outside temp is below 60°F, foggy, or rain/snow. I really want it for the cooling effects, and the possibility of running a lower octane fuel.

A tempreture sensor and all ... I'm not laughing... I think you're sick !!!! ... ha ha ha.... kiddin... but at least we know you're for real about this and dead serious. When you do have it completed, are you going to make it available in a kit form for "Ahem" " cough" " cough" your Bonnie buddies ??? and or when would you post a how - to section on it ?? How much time do you estimate that it would take to install it?? I know you've probably spends hours upon hours on it, but actual install time ??

Leave me alone, Drifter. The more you bug me, the longer it'll take to build my tank.
Anyone wanna sniff glue with me?

I'll update later tonight.....

Ok, I can tell you that building your own tank will suck. It'* best to find something that will work and go from there. I'm hoping to pressure test the tank tomorrow. That'* as far as I got today, building the tank. I don't know the volume yet, but I can tell you I'll probably end up using something different after I prove the system.

I'll let you know how wet I get tomorrow. :P

Come on.. is it done yet... is it ?? is it ??? Are we there yet ??? I"m bored ??? Tamara'* hitting me !!! ... When are we going to be there ??? When is it done ??? ha ha ha ha ha....

Eat my steam....er....shorts. Still working on the tank. I'll definitely be looking for a more suitable replacement, but for now, I'll use it. Hoping for a pressure check later this afternoon.......