Rajan Wilcox
The Aeromotive Eliminator fuel pump is a high-performance fuel delivery system widely recognized for its reliability and efficiency in racing and high-horsepower applications. However, when it comes to using this pump with nitrous oxide (NOS) systems, there are important considerations to address. Nitrous oxide introduces additional fuel demands and unique challenges, such as the need for precise fuel pressure and flow control to ensure optimal atomization and combustion. While the Aeromotive Eliminator is capable of handling increased fuel requirements, its compatibility with nitrous systems depends on factors like the specific nitrous setup, fuel pressure regulators, and tuning. Proper integration and calibration are essential to avoid issues like fuel starvation, lean conditions, or engine damage. Therefore, while the Eliminator can be used in nitrous applications, it requires careful planning and expert tuning to ensure safe and effective performance.
| Characteristics | Values |
|---|---|
| Compatibility with Nitrous | Not recommended; Aeromotive Eliminator fuel pumps are designed for gasoline and ethanol-blended fuels, not nitrous oxide. |
| Fuel Type Supported | Gasoline, E85, and other ethanol-blended fuels. |
| Flow Rate | Varies by model (e.g., 340 LPH, 390 LPH), sufficient for high-performance naturally aspirated or turbocharged setups. |
| Pressure Capability | Typically 60-70 PSI, not optimized for nitrous systems requiring precise pressure regulation. |
| Material Construction | Durable materials like aluminum and stainless steel, not specifically designed for nitrous compatibility. |
| Electrical Requirements | 12V DC, high-current draw; may not be suitable for nitrous systems requiring low-amperage pumps. |
| Installation | Designed for in-tank or external mounting, but not tailored for nitrous delivery systems. |
| Warranty | Limited warranty for fuel delivery applications; void if used with nitrous. |
| Manufacturer Recommendation | Aeromotive does not endorse using Eliminator pumps for nitrous oxide applications. |
| Alternative Solutions | Dedicated nitrous oxide pumps (e.g., NOS or Nitrous Express) are recommended for safe and efficient nitrous delivery. |
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What You'll Learn
Compatibility with Nitrous Systems
The Aeromotive Eliminator fuel pump is a high-performance fuel pump designed to meet the demands of high-horsepower engines, but its compatibility with nitrous systems requires careful consideration. Nitrous oxide (N2O) systems significantly increase an engine’s power output by introducing additional oxygen into the combustion process, which in turn requires a corresponding increase in fuel delivery. The Aeromotive Eliminator is capable of delivering the necessary fuel volume and pressure to support nitrous applications, but several factors must be addressed to ensure seamless integration and reliability.
Firstly, the Aeromotive Eliminator’s flow rate and pressure capabilities are critical when used with nitrous systems. Nitrous oxide increases the engine’s air density, demanding a higher fuel flow to maintain the proper air-fuel ratio. The Eliminator’s ability to provide consistent fuel pressure under high-demand conditions makes it a viable option, but it must be properly sized for the specific nitrous setup. Overlooking this could lead to a lean condition, causing engine damage. Therefore, users should consult the pump’s flow charts and ensure it meets the increased fuel demands of their nitrous system.
Secondly, the installation of the Aeromotive Eliminator in a nitrous-equipped vehicle requires attention to fuel system plumbing and filtration. Nitrous systems often necessitate the use of high-flow fuel lines and filters to prevent restrictions that could compromise fuel delivery. The Eliminator pump should be paired with a compatible fuel pressure regulator and adequate pre- and post-filters to ensure clean fuel reaches the injectors. Contaminants or inadequate filtration can lead to pump failure or injector issues, especially under the stress of nitrous usage.
Another important consideration is the electrical system supporting the Aeromotive Eliminator. Nitrous systems often require additional power for proper activation and control, which can place extra strain on the vehicle’s electrical system. Ensuring the pump’s relay and wiring are up to the task is essential to prevent voltage drops or failures during nitrous activation. Upgrading to a dedicated relay and using high-quality wiring can mitigate these risks.
Lastly, tuning the fuel system for nitrous compatibility is crucial when using the Aeromotive Eliminator. The pump’s output must be precisely calibrated to match the nitrous system’s requirements, often involving adjustments to fuel pressure, injector sizing, and tuning software. Professional tuning is highly recommended to ensure optimal performance and safety, as improper calibration can lead to engine damage or inconsistent power delivery. With proper setup and maintenance, the Aeromotive Eliminator fuel pump can effectively support nitrous systems, providing the reliability and performance needed for high-horsepower applications.
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Fuel Pressure Requirements for Nitrous
When considering the use of an Aeromotive Eliminator fuel pump for nitrous applications, understanding the fuel pressure requirements for nitrous is crucial. Nitrous oxide systems demand precise and consistent fuel delivery to ensure optimal performance and safety. The Aeromotive Eliminator fuel pump is known for its high-pressure capabilities and reliability, making it a potential candidate for nitrous setups. However, it’s essential to verify that the pump can maintain the specific fuel pressure required by the nitrous system, typically ranging from 60 to 80 PSI, depending on the setup and tuning.
Nitrous systems often require higher fuel pressure than standard fuel injection systems to match the increased fuel demand during nitrous activation. The Aeromotive Eliminator fuel pump is rated to deliver up to 150 GPH (gallons per hour) and can sustain pressures exceeding 100 PSI, which theoretically meets the demands of most nitrous applications. However, the actual fuel pressure must be fine-tuned to align with the nitrous jetting and fuel injector sizes to avoid lean or rich conditions, both of which can be detrimental to the engine. A fuel pressure regulator is typically used in conjunction with the pump to ensure consistent pressure under varying load conditions.
Another critical aspect of fuel pressure requirements for nitrous is the need for stability under high-load scenarios. When nitrous is engaged, the engine experiences a sudden increase in power and fuel demand, requiring the fuel pump to respond quickly without dropping pressure. The Aeromotive Eliminator’s internal design, featuring a gerotor pump mechanism, provides smooth and consistent flow, which is beneficial for maintaining stable fuel pressure during nitrous activation. However, it’s important to test the system under load to ensure the pump and regulator work harmoniously.
Additionally, the fuel pump’s ability to handle alcohol-based fuels, such as E85, should be considered if the nitrous system uses such fuels. The Aeromotive Eliminator is compatible with ethanol blends, but the fuel pressure settings may need adjustment due to the lower energy content of alcohol fuels. Proper calibration ensures that the fuel pressure matches the nitrous system’s requirements, regardless of the fuel type used.
In conclusion, while the Aeromotive Eliminator fuel pump has the potential to meet the fuel pressure requirements for nitrous, careful consideration of the system’s specific needs is essential. Proper tuning, the use of a high-quality fuel pressure regulator, and testing under load are critical steps to ensure the pump delivers the consistent and precise fuel pressure necessary for safe and effective nitrous operation. Always consult the nitrous system manufacturer’s guidelines to confirm compatibility and optimal settings.
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Flow Rate and Nitrous Demands
When considering the use of an Aeromotive Eliminator fuel pump for nitrous applications, understanding the relationship between flow rate and nitrous demands is critical. The Aeromotive Eliminator series is known for its high-performance capabilities, but its suitability for nitrous oxide (N₂O) systems depends on whether it can meet the increased fuel demands that accompany nitrous injection. Nitrous oxide introduces additional oxygen into the combustion chamber, requiring a corresponding increase in fuel to maintain the proper air/fuel ratio. This means the fuel pump must deliver a higher flow rate to support the enriched mixture.
The flow rate of a fuel pump is typically measured in gallons per hour (GPH) or liters per hour (LPH) and must be sufficient to handle both the engine's base fuel requirements and the additional fuel needed for nitrous. For example, a nitrous system might require a 30-50% increase in fuel flow during activation. The Aeromotive Eliminator fuel pump is rated for high flow rates, often exceeding 400 LPH, which can be adequate for many naturally aspirated and mildly modified engines. However, when nitrous is introduced, the pump's flow rate must be carefully matched to the engine's size, nitrous jet size, and the duration of nitrous use to avoid running lean, which can cause engine damage.
Another factor to consider is the pressure and consistency of fuel delivery. Nitrous systems often require stable fuel pressure to ensure precise fuel metering. The Aeromotive Eliminator pump is designed to maintain consistent pressure, even at high flow rates, which is beneficial for nitrous applications. However, it is essential to verify that the pump's pressure regulator is compatible with the nitrous system's requirements, as fluctuations in fuel pressure can lead to inconsistent nitrous delivery and potential engine issues.
For engines with larger nitrous systems or prolonged nitrous use, the Aeromotive Eliminator pump may need to be supplemented with additional fuel system components, such as a secondary pump or larger fuel lines, to ensure adequate flow. It is also crucial to consider the pump's duty cycle, as continuous high-flow operation can strain the pump, especially in high-horsepower applications. Proper tuning and monitoring of the fuel system are essential to ensure the pump can meet the demands of nitrous injection without compromising reliability.
In summary, while the Aeromotive Eliminator fuel pump can be used for nitrous applications, its flow rate must align with the engine's nitrous demands. Careful consideration of the nitrous system's fuel requirements, pump capacity, and supporting fuel system components is necessary to ensure safe and effective operation. Always consult the manufacturer's guidelines and consider professional tuning to optimize performance and protect the engine.
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Durability Under Nitrous Stress
The Aeromotive Eliminator fuel pump is a popular choice for high-performance applications, but its durability under nitrous stress is a critical consideration for enthusiasts looking to push their setups to the limit. Nitrous oxide (N2O) systems significantly increase engine power by introducing additional oxygen, which in turn demands a higher fuel flow rate. This places immense stress on the fuel pump, as it must deliver fuel at a consistent and elevated pressure to match the increased oxygen levels. The Eliminator series is known for its robust construction and high flow capabilities, but the unique demands of nitrous applications require a closer examination of its long-term reliability.
One key factor in assessing the durability of the Aeromotive Eliminator under nitrous stress is its internal components. The pump features a turbine design with high-quality materials, which helps it withstand the increased pressure and flow demands. However, prolonged exposure to the extreme conditions created by nitrous oxide can accelerate wear on the pump's internal parts, such as the turbine blades and bearings. To mitigate this, regular maintenance and inspection are essential. Users should monitor for any signs of wear or degradation, especially after frequent nitrous usage, to ensure the pump continues to operate efficiently.
Another aspect to consider is the fuel pump's ability to maintain consistent pressure and flow under the thermal stress induced by nitrous systems. Nitrous oxide injection can cause a significant temperature drop in the intake manifold, which may affect fuel vaporization and delivery. The Aeromotive Eliminator is designed to handle high-pressure environments, but the thermal shock from nitrous usage can still impact its performance over time. Ensuring proper fuel cooling and using high-quality fuel lines can help alleviate some of this stress, preserving the pump's longevity.
Furthermore, the electrical system supporting the Aeromotive Eliminator must be robust enough to handle the increased load when running nitrous. The pump draws more power under these conditions, and a weak or inadequate electrical setup can lead to overheating or failure. Upgrading to a high-output relay and ensuring the wiring is sufficiently gauged can prevent electrical issues that might otherwise compromise the pump's durability. It’s also advisable to use a fuel pressure regulator that can handle the elevated pressures associated with nitrous oxide systems.
Lastly, the fuel itself plays a crucial role in the pump's durability under nitrous stress. Using high-quality, oxygenated fuel can reduce the strain on the pump by ensuring optimal combustion and minimizing the risk of detonation. Additionally, ethanol-blended fuels can act as a lubricant for the pump's internal components, further enhancing its lifespan. However, it’s important to note that ethanol can also be corrosive, so ensuring compatibility with the pump's materials is vital.
In conclusion, while the Aeromotive Eliminator fuel pump is a capable option for nitrous applications, its durability under such stress depends on several factors. Proper maintenance, attention to thermal and electrical management, and the use of high-quality fuel are all critical to ensuring the pump’s longevity. By addressing these considerations, enthusiasts can confidently use the Eliminator in nitrous setups, maximizing both performance and reliability.
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Installation Tips for Nitrous Use
When installing an Aeromotive Eliminator fuel pump for nitrous use, it’s crucial to ensure the system can handle the increased fuel demands and maintain consistent pressure under high-stress conditions. The Aeromotive Eliminator is a high-performance fuel pump capable of supporting nitrous applications, but proper installation is key to maximizing its effectiveness. Start by verifying the pump’s flow rate and pressure specifications to ensure they align with your nitrous setup’s requirements. Nitrous systems significantly increase fuel demand, so the pump must be rated to deliver sufficient fuel volume at the required pressure, typically above 60 PSI for most setups.
Next, focus on the fuel lines and fittings. Use high-quality, nitrous-compatible hoses and AN fittings to prevent leaks and ensure durability under extreme conditions. The fuel lines should be sized appropriately to minimize restriction and maintain flow efficiency. Install an inline fuel filter before the pump to protect it from contaminants, and consider adding a post-pump filter if your nitrous system demands ultra-clean fuel. Properly secure all fittings with thread sealant or Teflon tape to avoid leaks, which can be dangerous when dealing with pressurized fuel and nitrous systems.
Electrical connections are another critical aspect of the installation. The Aeromotive Eliminator requires a reliable power source, so use a dedicated relay and fuse to handle the pump’s current draw. Ensure the wiring is of sufficient gauge to prevent voltage drop, especially under high load. Ground the pump directly to the chassis using a clean, corrosion-free connection to avoid electrical issues. If your nitrous system includes a progressive controller or fuel pressure regulator, integrate the pump’s wiring with these components to ensure synchronized operation.
Mounting the fuel pump securely is essential for longevity and performance. Choose a location that minimizes exposure to heat and vibration, as both can affect the pump’s efficiency and lifespan. Use a solid mounting bracket and ensure the pump is oriented correctly to maintain proper fuel flow. If using an in-tank setup, verify the pump is submerged at all times to prevent cavitation, which can damage the pump and disrupt fuel delivery. For external installations, ensure the pump is positioned below the fuel tank to maintain a consistent fuel supply.
Finally, test the system thoroughly before using it under full load. Start by priming the pump and checking for leaks at all connections. Use a fuel pressure gauge to verify the pump is maintaining the desired pressure under idle and high-RPM conditions. If your nitrous system includes a wet kit, ensure the additional fuel injectors are functioning correctly and calibrated to match the pump’s output. Perform a dyno or controlled test run to confirm the entire system operates as expected before hitting the track or street. Proper installation and testing will ensure the Aeromotive Eliminator fuel pump delivers reliable performance in your nitrous application.
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Frequently asked questions
Yes, an Aeromotive Eliminator fuel pump can be used with nitrous oxide systems, provided the fuel delivery requirements are met and the system is properly calibrated.
The Aeromotive Eliminator fuel pump is suitable for nitrous applications due to its high flow rate, reliability, and ability to maintain consistent fuel pressure under increased demand.
Yes, you may need additional modifications such as upgrading fuel lines, adding a fuel pressure regulator, and ensuring the pump is sized correctly for your nitrous system's fuel demands.
Yes, the Aeromotive Eliminator fuel pump is designed to handle increased fuel demand, but it’s crucial to match the pump’s flow rate to the specific requirements of your nitrous system for optimal performance.
