Building your own water / alcohol injection kit is easier and cheaper than you think. The information I've compiled her... Show moree will allow you to build an inexpensive, high quality kit that will give you years of reliable service. Your feedback is important, so send me an email. Thanks for visiting!
The information that I've "compiled" into this site is not totally unique and original. It is simply a collection of extensive research that I've done. The point was to scour the Internet and build the best home-built water injection kit while keeping a watchful eye on the budget. Although I've designed this site with the average probe/mx6 vehicle in mind, it really applies to any turbo or supercharged vehicle.
Before You Begin
It's important that you read through everything on this site in addition to your own research before installing a water/alcohol injection system on your car. I've also made a short list of supporting mods/items that are recommended before attempting this install.
A Healthy Motor
A perfect running motor should be the first step in any modification plans. This includes, but is not limited to: Spark Plugs, Wires, Good Compression, Timing properly adjusted, Cooling System maintained, etc.
EGT and/or a Datalogger:
Since this is a kit that may require tuning, (nozzle size, when to activate the system, possibly leaning or richening the fuel mixture, etc) it is necessary to have some way to monitor and record how your engine is performing.
This diagram will help you install your kit. courtesy of turbo mirage.com
Here is my install. water nozzle. 3.5gph bought from coolingmist
Holley tank mounted behind the driver seat
water solenoid mounted on the firewall
water nozzle 6.5gph coolingmist.com $7.00
water solenoid $35 coolingmist.com
water tank ..local junkyard $5
Hobbs Pressure Switch napa # 701-1575 $27
Automotive 12V 30 Amp Relay $6 radioshack
Lighted (or regular) On/Off Switch $2.70
12 Guage Wire Black/Red
3/8 Fuel Injection Hose & Clamps
Assorted Electrical Connectors
5) 3/8" Brass Fittings for pump, water tank & water solenoid
Denatured Alcohol $10/gallon homedepot
Distilled Water $1
now this kit was put together for less that $100. Show Less
FUEL PUMP REWIRE MOD.
1 30amps relay
6 wire connectors or posi-locks wire connectors
about 15' of 10awg wire (red is a good color for this s... Show moreince it is going to be your power line)
about 2' of black 10 or 12 awg wire (for the ground)
some sort of protective covering for your power wire (I used the spiral wound black plastic stuff)
1 male spade connector (optional)
a pair of wire crimpers/strippers
about 3' of 14-16 awg wire (it would be helpful to have 3 separate colors)
soldering iron and solder (optional)
about 10 female spade connectors (to connect to the blades on the relay)
In-line fuse holder, and a fuse to go in it (I used a 20A fuse with no problems)
Disconnect the battery BEFORE you begin
Anything else I forgot to list here, but that I mention during installation (if you follow the directions, and read all instructions FIRST, then you will have no problems).
Here is a diagram of the relay. It would be helpful to attach the spade connectors to the relay blades at this time, and color code the wires to the numbers in the diagram. This will help make splicing into the wires on the car easier, since you will already have one step done. The numbers correspond like this:
30 - feed wire from battery
87A - not used
87 - this is to the wire on the fuel pump side of the plug
86 - this is to the wire on the car side of the plug
85 - ground
No to the install
remove the back seat to expose the cover for the fuel pump.remove the 4 screw on the silver plate and lift the plate.u
you dont have to take off the fuel pump itself. located the 2 double black wire on the harness connected to the fuel pump.Thats the 12volt cable.
Now find a suitable location to install the relay,It is imperative that you a fuse holder and fuse! I used a 30A fuse.
looking at my pic
I used a 10g cable (red) from the battery to the relay
I connected the (blue) cable to 85 from the replay to ground.
(yellow) cable was connected from the 87 to the wire that was previously cut.going to the pump.
(green) cable was connected from 86 to the previous pump wire going to the car side not the harness side.
Reconnect the battery and start the car.this completed the install.
finished pic Show Less
NITROUS INSTALL (stealth instal)
This page is design to give you a step by step how to install a nitrous system on your probe/mx6/626 or any other car.
1st i... Show more selected a nitrous express kit .
mount the nozzle, I install the nozzle about 6 inches from the throttle body.
next install the wide open throttle switch
mount the nitrous and fuel solenoid/fitting, I hide my solenoid behind the firewall.Also mount the bottle/bracket where you desire and run the main line from the bottle to the nitrous solenoid(mine was mounted behind the passenger seat).
I ran the tee from the top oulet of the fuel filter. pic shown
finished product should like similar to these without the trace of nitrous install
diagram to help you along the way with wiring and install
wiring diagram Show Less