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Vehicle Owner

Member ID: jackmaker

Location: Up North, California

Vehicle Info

1984 Saab 900

Bragging Rights

  • Top Speed140 mph
  • HP153
  • Weight2900 lbs

Major Upgrades

  • bore-increase
  • port and polish
  • turbo

Ratings

    • Currently 4/5 Stars.
    • Currently 3.5/5 Stars.
    • Currently 4/5 Stars.
    • Currently 4/5 Stars.

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Poll

Question: Rim Size

Last updated: Nov 17, 2008

Hits: 11,279

Lance’s Saab 900:
“The Bronze Beast”

  • Currently 4/5 Stars.
11 guestbook comments

Water Injection

The latest project is a custom dual-port water injection installation.

jackmaker's 1984 Saab 900 Up North, CA Customized with Volk Racing Wheels, JE Pistons Engine Comps., Custom Exhaust, Custom Header, Custom Intake, MSD Ignition, Custom Transmission, Bilstein Shocks, Hurst Shift Knob, Auto Meter Gauges, MOMO Steering Wheel, Custom Brakes, Pirelli Tires, Custom Body Kit, Custom Seats - 13

jackmaker's 1984 Saab 900 Up North, CA Customized with Volk Racing Wheels, JE Pistons Engine Comps., Custom Exhaust, Custom Header, Custom Intake, MSD Ignition, Custom Transmission, Bilstein Shocks, Hurst Shift Knob, Auto Meter Gauges, MOMO Steering Wheel, Custom Brakes, Pirelli Tires, Custom Body Kit, Custom Seats - 14

jackmaker's 1984 Saab 900 Up North, CA Customized with Volk Racing Wheels, JE Pistons Engine Comps., Custom Exhaust, Custom Header, Custom Intake, MSD Ignition, Custom Transmission, Bilstein Shocks, Hurst Shift Knob, Auto Meter Gauges, MOMO Steering Wheel, Custom Brakes, Pirelli Tires, Custom Body Kit, Custom Seats - 15

These three pictures show the solenoid and pressure switches. The blue lines are water lines and the red are the air lines.

Here's the same after the wiring:

jackmaker's 1984 Saab 900 Up North, CA Customized with Volk Racing Wheels, JE Pistons Engine Comps., Custom Exhaust, Custom Header, Custom Intake, MSD Ignition, Custom Transmission, Bilstein Shocks, Hurst Shift Knob, Auto Meter Gauges, MOMO Steering Wheel, Custom Brakes, Pirelli Tires, Custom Body Kit, Custom Seats - 38

It turns out that a Saab 900 windshield washer fluid reservoir fits nicely into the spare tire cavity in the trunk, with minor modifications of course. Here's are a couple of shots of the reservoir mid modification:
jackmaker's 1984 Saab 900 Up North, CA Customized with Volk Racing Wheels, JE Pistons Engine Comps., Custom Exhaust, Custom Header, Custom Intake, MSD Ignition, Custom Transmission, Bilstein Shocks, Hurst Shift Knob, Auto Meter Gauges, MOMO Steering Wheel, Custom Brakes, Pirelli Tires, Custom Body Kit, Custom Seats - 24jackmaker's 1984 Saab 900 Up North, CA Customized with Volk Racing Wheels, JE Pistons Engine Comps., Custom Exhaust, Custom Header, Custom Intake, MSD Ignition, Custom Transmission, Bilstein Shocks, Hurst Shift Knob, Auto Meter Gauges, MOMO Steering Wheel, Custom Brakes, Pirelli Tires, Custom Body Kit, Custom Seats - 25

And here's a shot of the reservoir and pump installed in the spare tire cavity:

jackmaker's 1984 Saab 900 Up North, CA Customized with Volk Racing Wheels, JE Pistons Engine Comps., Custom Exhaust, Custom Header, Custom Intake, MSD Ignition, Custom Transmission, Bilstein Shocks, Hurst Shift Knob, Auto Meter Gauges, MOMO Steering Wheel, Custom Brakes, Pirelli Tires, Custom Body Kit, Custom Seats - 26

Here's a shot of the wiring schematic:

jackmaker's 1984 Saab 900 Up North, CA Customized with Volk Racing Wheels, JE Pistons Engine Comps., Custom Exhaust, Custom Header, Custom Intake, MSD Ignition, Custom Transmission, Bilstein Shocks, Hurst Shift Knob, Auto Meter Gauges, MOMO Steering Wheel, Custom Brakes, Pirelli Tires, Custom Body Kit, Custom Seats - 31

Here's a shot of the master switch, boost gauge and status LEDs from the two stages.

jackmaker's 1984 Saab 900 Up North, CA Customized with Volk Racing Wheels, JE Pistons Engine Comps., Custom Exhaust, Custom Header, Custom Intake, MSD Ignition, Custom Transmission, Bilstein Shocks, Hurst Shift Knob, Auto Meter Gauges, MOMO Steering Wheel, Custom Brakes, Pirelli Tires, Custom Body Kit, Custom Seats - 43

Here's a shot of the first round of turbo pipe with the injectors installed:

jackmaker's 1984 Saab 900 Up North, CA Customized with Volk Racing Wheels, JE Pistons Engine Comps., Custom Exhaust, Custom Header, Custom Intake, MSD Ignition, Custom Transmission, Bilstein Shocks, Hurst Shift Knob, Auto Meter Gauges, MOMO Steering Wheel, Custom Brakes, Pirelli Tires, Custom Body Kit, Custom Seats - 64

I chose to install water rather than nitrous for several reasons. I could have installed a wet nitrous solution, which might have even been simpler with so many bolt-on kits available. The water is cheaper, and it's not as hazardous to work with. It only needs a pump, and doesn't require the heater, pressurized tank, etc. Overall though, I chose water injection because of it's endurance. Nitrous is good for a couple of shots, but won't be there for a whole race. I've seen 1/4 mile turbo cars running +50psi using water, so I know the power is there.

More to come on this topic.

Page 1 - Summary
Page 2 - Tuning
Page 3 - Wheels
Page 4 - Water Injection
Page 5 - Brakes
Page 6 - Interior
Page 7 - H.I.N.
Page 8 - Racing

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Vehicle Owner

Member ID: jackmaker

Location: Up North, California