If you are a car enthusiast who enjoys drag racing, you know how important it is to have a reliable nitrous system. Nitrous oxide can provide a significant boost in performance, but it must be wired correctly to avoid potential safety hazards. In this article, we will guide you through the process of wiring a nitrous system with a transbrake, including the necessary components, wiring diagrams, and frequently asked questions.
Components Required for Wiring Nitrous with Transbrake
To wire nitrous with a transbrake, you will need the following main components:
| Component | Description |
|---|---|
| Nitrous Solenoid | The device that releases nitrous oxide into the engine’s intake system |
| Fuel Solenoid | The device that injects additional fuel into the engine to compensate for the added nitrous |
| Transbrake Solenoid | The device that locks the transmission’s output shaft, allowing the engine to rev up before engaging the transmission |
| Purge Solenoid | The device that removes air and moisture from the nitrous lines before use |
| Relay | The device that allows for the high amperage required by the solenoids to be controlled by a low amperage switch |
| Switches and Buttons | The devices that control the activation of the nitrous system and transbrake |
These components are typically sold as a kit, but you might need to purchase them separately if you are building a custom nitrous system.
Nitrous Wiring Diagram with Transbrake
Here is the wiring diagram for a nitrous system with a transbrake:
Let’s go through each component’s wiring in more detail:
Nitrous Solenoid Wiring
The nitrous solenoid’s positive wire should be connected to a fused power source that can handle the solenoid’s current draw. This wire should be connected to the relay’s normally open (NO) terminal. The solenoid’s negative wire should be connected to the relay’s common (C) terminal.
Fuel Solenoid Wiring
The fuel solenoid’s positive wire should be connected to a fused power source that can handle the solenoid’s current draw. This wire should be connected to the relay’s normally closed (NC) terminal. The solenoid’s negative wire should be connected to the relay’s common (C) terminal.
Transbrake Solenoid Wiring
The transbrake solenoid’s positive wire should be connected to a fused power source that can handle the solenoid’s current draw. This wire should be connected to the relay’s normally open (NO) terminal. The solenoid’s negative wire should be connected to the ground.
Purge Solenoid Wiring
The purge solenoid’s positive wire should be connected to a fused power source that can handle the solenoid’s current draw. This wire should be connected to a normally open (NO) switch that is in series with a momentary button. The solenoid’s negative wire should be connected to the ground.
Switches and Buttons Wiring
The nitrous activation switch’s positive wire should be connected to a fused power source. This wire should be connected to a normally open (NO) switch that is in series with the relay’s coil. The switch’s negative wire should be connected to the ground.
The transbrake activation switch’s positive wire should be connected to a fused power source. This wire should be connected to a normally open (NO) switch that is in series with the transbrake solenoid’s positive wire. The switch’s negative wire should be connected to the ground.
The purge activation button’s positive wire should be connected to a fused power source. This wire should be connected to the purge solenoid’s positive wire. The button’s negative wire should be connected to the ground.
Frequently Asked Questions
Do I need a transbrake to use nitrous?
No, you do not need a transbrake to use nitrous. However, a transbrake allows for a quicker and more consistent launch, which can be advantageous in drag racing.
What size wire should I use for the nitrous solenoid?
You should use 10-gauge wire for the nitrous solenoid to minimize voltage drop and ensure adequate current flow.
What is nitrous backfire, and how can I prevent it?
Nitrous backfire occurs when the nitrous ignites in the intake system before it reaches the combustion chamber. To prevent nitrous backfire, make sure your system’s fuel supply is adequate, and the nitrous is injected after the throttle blades. You should also avoid spraying nitrous at low RPMs or low throttle openings.
How do I properly purge my nitrous system?
To purge your nitrous system, activate the purge solenoid for a few seconds before each run. This will remove any air and moisture from the lines, ensuring maximum performance and reliability.
Is nitrous oxide legal for street use?
The legality of using nitrous oxide on public roads varies by state or country, so check your local laws before installing a nitrous system on your vehicle.
What is the maximum horsepower gain I can expect from nitrous?
The maximum horsepower gain you can expect from nitrous depends on various factors, such as the size of the nitrous jet, the engine’s condition, and the fuel quality. However, a well-designed nitrous system can provide a significant boost of up to 250 horsepower.
There you have it, a complete guide to wiring a nitrous system with a transbrake. Make sure to follow the wiring diagram and safety precautions to enjoy the added power and performance safely.
