I've been getting a ton of questions regarding my alcohol injection setup so I'm going to take the time to explain it all now. I've been holding out on doing so because I've been contemplating whether or not I'm going to attempt to sell the kit as a group purchase.
The system consists of a fuel injector that's attached to the intake track of the engine BEFORE the throttle body at a 45 degree angle perpendicular to the top of the throttle body. The point of this is to get the alcohol to cool the blades of the GM supercharger. THE BLADES OF THE GM SUPERCHARGER ARE COATED IN TEFLON. THEREFORE, THEY WILL NOT CORRODE DUE TO THE ALCOHOL! Sorry about the shouting but it's a common thing that nobody pays attention to. Another cool aspect of the alcohol is the fact that it cleans things. I took my throttle body off of the car on Saturday because I flooded my TPS with water thanks to not covering it with a plastic bag while washing the engine bay out. To my surprise, the throttle body was nearly SPOTLESS on the inside because I have been spraying alcohol for nearly three months. Imagine what it's doing to the cylinder walls and head of the piston....
The injector is then connected to a pump that has an internal relay to regulate the pressure of the system to roughly 60psi. I'm using a higher pressure than 43.5psi for standard fuel injectors because it tends to atomize the alcohol/water mix better. When you put power to the pump, the pump will run until the pressure reaches 60psi. When the alcohol is spraying, the pressure will go down and the pump will kick on again when it gets near 45psi. This works great because you don't have a pump operating the entire time the car is on...therefore increasing the life of the pump and reducing heat produced by the electric motor. The pump is then connected to a large 2 gallon tank that is in my trunk. This tank also has a low level sensor that is connected to a light on my gauge pillar.
The entire system is controlled by my Greddy E-Manage. I have the injector hooked up to the V-TEC (hehe, shut up) channel on the system. Using this channel, allows me to open the injector relative to the rpms, and either throttle position or manifold pressure. Here's a picture of the settings in the E-Manage to show you what I mean:
Another way the system can be controlled is either by a pressure switch that will activate at a certain psi or by using a microswitch that's mounted to the throttle body or throttle pedal. If I see enough interest in the system to make a group purchase, I will give you a choice of either an e-manage controlled system (NO, I'm not selling e-manages with the system), pressure switch controlled system, or microswitch controlled system.
Here's a couple pics:
Shot of my intake (bought off of eBay years ago for those who ask) and the pump (on the driver's strut tower)
Pic of the injector mounted in the intake track using an injector boss:
Picture of the pump:
Picture of the tank in the trunk:
Picture of the tank low light on my gauge pillar:
Sorry for the crappy pics. I didn't check the settings on my camera. Yeah, I'm lazy.
As far as effective results go for the system, heat soak has been eliminated!!! Last weekend, I ripped down Lapeer Dragway 8 TIMES IN A ROW over a period of 20 minutes. To my surprise after the runs, I popped my hood and felt the supercharger. Ice cold baby. Ice fricken cold. The thing was maybe 70-80 degrees on the outer casting. I'm now running the Pulley Boys Qwikchange 2.5" pulley without any heat soak problems. Absolutely awesome.
As I've already stated, I'm considering making this system available to the org as a group purchase. If I've calculated everything correctly, the system would be around $350-$400. It might also be a tiny bit cheaper if you purchased the system ready for being adapted to the E-Manage since no additional hardware is needed.
Other things I didn't mention were the system will come with all brass fittings (except for the plastic ones included with the pump) and kevlar reinforced hose. EVERYTHING in the kit is resistant to the expansion and corrosion of alcohol and methanol!! This is the huge killer with the crappy little $150 eBay kits. They are not designed for long term exposure to these chemicals. Also, all brackets, screws, clamps, etc. will be included in the kit. There is also a 12 volt relay wired to the pump to cut the power to it when the car is not on.
As far as mounting the injector goes, we have a couple options. If you are doing the GM supercharger kit, I can mount the boss onto the PCV hose vent (the piece that mine is mounted on) if you were to send it out to me. I can also include a brand new one with the system however, a core charge will apply (price TBD) since I'd have to order one from GM parts direct. If you send me the old one after you install the new one, I'll refund the core charge. My injector boss is mounted using JB Weld. The part isn't a high stress part and the JB has been holding up just fine. However, your injector boss will be welded onto the vent tube just for the sake of quality.
If you are mounting this on an RSM system, you can send me your charge tube and I'll weld the injector boss accordingly on the underside. I will not stock RSM charge tubes so either you send me the part, or you deal with it on your own.
This system is intended for supercharger applications. However, if you want to spray methanol into a N/A motor (don't ask me what kind of horsepower gains methanol gives because I have no clue), I will weld the boss to a metal tube that you can put in your intake track somewhere. The closer to the throttle body, the better.
If you are seriously interested in this system, please let me know by email. Send requests to thepute2@aol.com specifying if you want an E-Manage ready, pressure sensor, or microswitch system. Also specify if you are putting this on a GM s/c, RSM s/c, or N/A engine.
NO LISTS!! ABSOLUTELY NO GP LISTS IN THIS THREAD!! EMAIL ME!!
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