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Nitrous Oxide Injection - Go With The Flow

Nitrous Oxide Injection Jets
The jets, or pills as some... 
   
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Nitrous Oxide Injection Jets
The jets, or pills as some people call them, regulate the nitrous and fuel being sprayed into the engine. Different jet sizes are used to determine the horsepower settings. Based on the nitrous jet size, a properly sized fuel jet is used for the correct nitrous/fuel mixture. Nitrous Pro Flow provides a chart to properly size the nitrous and fuel jets.
Nitrous Oxide Injection Fuel Solenoid
Nitrous carries more oxygen... 
   
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Nitrous Oxide Injection Fuel Solenoid
Nitrous carries more oxygen into the engine, which then requires more fuel to help burn it in the combustion process.
Nitrous Oxide Injection Fuel Nozzle
Additional fuel is added and... 
   
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Nitrous Oxide Injection Fuel Nozzle
Additional fuel is added and this block is mounted on the end of the fuel rail to siphon off the fuel not used by the injectors. The fuel solenoid then sends the fuel to the nozzle via a -4 line.
Nitrous Oxide Injection Nozzle Spray Pattern
Carlson and Mulholland cautioned... 
   
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Nitrous Oxide Injection Nozzle Spray Pattern
Carlson and Mulholland cautioned that the nozzle's spray pattern in aftermarket cold air kits should be checked. The S197 cars use a twin-bore throttle body. If the nozzle is located improperly, then distribution will be messed up. They chose to move the nozzle further away from the throttle body in order for the fuel and nitrous to mix properly and not shoot past the front two runners in the intake manifold.
Nitrous Oxide Injection Gauge Pod
Speed of Sound made this gauge... 
   
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Nitrous Oxide Injection Gauge Pod
Speed of Sound made this gauge pod for the cup holder in our '08 test car. It features a single hole for a 21/16-inch gauge and three switches. We have the switches controlling the bottle heater, nitrous arming, and purge. Speed of Sound labeled each switch.
Nitrous Oxide Injection Electric Box
This is the electronic box... 
   
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Nitrous Oxide Injection Electric Box
This is the electronic box that reads the TPS sensor for WOT. Once it reads 100 percent throttle at 3,000 rpm or more, it opens the solenoids, which then shoot nitrous and fuel into the engine.
Nitrous Oxide Injection Tps Wires
Rob demartinis handled the... 
   
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Nitrous Oxide Injection Tps Wires
Rob demartinis handled the dreaded wiring for the nitrous system, bottle heater, purge solenoid, and gauge. Here are the wires for the TPS and solenoids.
Nitrous Oxide Injection Bottle Heater
The bottle heater had to have... 
   
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Nitrous Oxide Injection Bottle Heater
The bottle heater had to have wires soldered into place and then run up the switch in the cup holder.
Nitrous Oxide Injection Sensor
A sensor is tapped at the... 
   
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Nitrous Oxide Injection Sensor
A sensor is tapped at the bottle-end of the main nitrous feed line. The sensor sends a signal to the Cobalt gauge to show the pressure inside the bottle. Auto Meter provides a six-foot long harness to run from the sensor to the gauge. Mulholland ran the harness under the carpet and center console.
Nitrous Oxide Injection Speed Of Sound Gauge Pot
The Speed of Sound gauge pod... 
   
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Nitrous Oxide Injection Speed Of Sound Gauge Pot
The Speed of Sound gauge pod fit flawlessly. We had to just use a light scuff pad on the body of the gauge in order for it to slide in easily.
Nitrous Oxide Injection Cobalt Gauge
Demartinis wired in the Cobalt... 
   
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Nitrous Oxide Injection Cobalt Gauge
Demartinis wired in the Cobalt gauge to the dimmer switch, so it goes on when the headlights are activated.
Nitrous Oxide Injection Nitrous Gauge
The gauge light will dim when... 
   
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Nitrous Oxide Injection Nitrous Gauge
The gauge light will dim when the driver dims the dashboard as well.
Nitrous Oxide Injection Gauge Glow
We dig the look of the Cobalt... 
   
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Nitrous Oxide Injection Gauge Glow
We dig the look of the Cobalt gauge. It glows nicely at night and even matches the blue in the My Color dash.
Nitrous Oxide Injection Gauge Setup
The finished gauge setup is... 
   
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Nitrous Oxide Injection Gauge Setup
The finished gauge setup is clean and factory-appearing.
Nitrous Oxide Injection Mustang Test Report
The 75 hp hit was worth a... 
   
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Nitrous Oxide Injection Mustang Test Report
The 75 hp hit was worth a gain of 69 RWHP and 131 RWHP.
Nitrous Oxide Injection Low Rear Report
The low rear gear proved to... 
   
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Nitrous Oxide Injection Low Rear Report
The low rear gear proved to be a problem on the dyno with the 100hp hit of nitrous. Running the car in Fourth gear put too big of a load on the clutch and it slipped. Carlson ran the 100hp test in Third gear, where the clutch held perfectly fine. He says the car had larger rear gears it wouldn't have been a problem on the dyno. Despite the Third gear results, the 100hp jets provided 90-rwhp and 157-rwtq gains.
Nitrous Oxide Injection Spark Plugs
One of the biggest differences... 
   
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Nitrous Oxide Injection Spark Plugs
One of the biggest differences between the '05-'07 models and the '08-'09 ones are the spark plugs. On the right, the '08 plug has a more traditional plug strap--making it easier for aftermarket companies to reproduce plugs. The plug on the left is the goofy '05-'07 plugs that have an obscure end that has to be crushed in order to re-gap the plug. Only two companies make aftermarket plugs with colder heat ranges for power-adder combos. The end isn't the only difference; the body of it is funky too. We stuck with the stock '08 plugs, which are fine for up to 100 hp worth of nitrous. Anymore than that, Carlson suggests getting one heat range colder than stock. The aftermarket is said to be working on colder plugs, due out by the time you read this issue.
Auto Meter
413 West Elm Street
Sycamore
IL  60178
(866) 248-6356

autometer.com
Real Speed Automotive
50 Feldland St., Units 4&5
Bohemia
NY  11716
Nitrous Pro Flow Wilson Manifolds
4700 N.E. 11 Ave.
Ft. Lauderdale
FL  33334
Speed of Sound

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