AMS Performance Omega Brushless Dual Fuel Pump System for R35 Nissan GT-R

AMS Performance developed the Omega Brushless Fuel Pump System to address the persistent fueling issues faced by R35 GT-R owners, including complex installations, excessive noise, and fuel starvation due to pressure loss and overheating. Previous solutions often required multiple pumps and came with significant trade-offs. After more than two years of research and testing, AMS engineered a refined, high-performance fuel system designed for reliability and efficiency. Available in single and dual pump configurations, the Omega system supports up to 1200WHP or beyond, utilizing brushless pump technology to deliver consistent fuel delivery for high-powered builds.

Why Is A Brushless Motor Better?

Heat generation is a common issue with brushed motor fuel pumps, stemming from the friction between the brushes and the commutator. This continuous rubbing action leads to wear and degradation of both the brushes and the commutator, making the fuel pump a wear item similar to brake pads and rotors. Additionally, pumping and pressurizing fuel also contribute to the generation of heat. Unlike brushless fuel pumps, which can adjust their output based on pressure requirements, brushed fuel pumps typically operate at a static output determined by the input voltage (battery voltage), resulting in the pump running at 100% duty cycle all the time. Consequently, the friction from the brushes and the constant pressurization of fuel combine to generate additional heat in the system.
In contrast, brushless motors offer distinct advantages over brushed motors as they do not experience the same friction, wear, and heat generation. This is due to the absence of physical contact between components, except for a few bearings, and the use of a controller to regulate speed and output. The controller enables the pump to adjust its output based on the required pressure, leading to a notable reduction in fuel temperature. To ensure optimal performance, AMS Omega Fuel Pumps incorporate brushless motors of original equipment (OE) quality and automotive-grade brushless controllers, guaranteeing reliable and efficient operation.

Lower Fuel Temperature To Save Your VR38 Engine

A significant issue faced by your R35 GT-R is the overheating of fuel within the fuel tank. Compounded by the proximity of the tank to the heat-soaked GR6 transmission and exhaust, the situation is worsened by the presence of 2 or 3 inefficient brushed pumps inside the tank. AMS Performance has observed instances where fuel inside a GT-R fuel tank reached boiling temperatures with as little as 140°F (60°C). When fuel boils, the output of the pumps drops dramatically, resulting in reduced fuel supply to the engine. Insufficient fuel supply can trigger a lean condition, leading to detonation or extreme combustion temperatures that are capable of melting engine components.

Screw Style Pump For Maximum Fuel Output In The Most Demanding Conditions

The mechanical component of the fuel pump works in tandem with the electrical motor to pump and pressurize the fuel. Through extensive testing, AMS Performance discovered that the type of pump design significantly affects pumping efficiency, particularly under elevated fuel temperatures. Conventionally, vane-style or impeller-style pumps are utilized, but these can result in a significant drop in fuel output, reaching up to 50% at higher fuel temperatures. In contrast, the Omega Brushless Fuel Pump employs a screw-style pumping mechanism that is highly resistant to this phenomenon, ensuring consistent and reliable fuel delivery regardless of fuel temperature.

Super High Flow And Consistent Fuel Pressure

Standard fuel pumps commonly encounter pressure drop issues when operating at higher fuel pressures. However, AMS’ screw-style fuel pump sets a new standard by maintaining significantly higher pressure even under challenging operating conditions. This ensures consistent and reliable fuel delivery, allowing your engine to perform optimally without the limitations imposed by pressure drop.

Whisper Quiet Operation

Aftermarket fuel systems often introduce unwanted noise, detracting from the enjoyment of your driving experience with their irritating whine. This issue is compounded when multiple aftermarket pumps are required to meet the fuel demands of the powerful twin-turbo VR38 engine. However, the Omega Pump sets itself apart by offering a quieter operation compared to typical aftermarket pumps. Remarkably, just a single Omega Pump is capable of supplying sufficient fuel for an impressive 1200 wheel horsepower on regular gasoline, or 800 wheel horsepower on ethanol-based fuels like E85. With the Omega Pump, you can achieve exceptional performance without sacrificing a peaceful driving environment.

Small, Easy To Install Pump Unmatched By Others

Conventional high-output fuel pumps often pose challenges during installation due to their bulky size, typically necessitating the use of multiple pumps to meet fuel demands. This can make installation inside the fuel tank complex and may even require hazardous external mounting. In contrast, the Omega Pump is designed to fit seamlessly within the stock fuel tank and location, preserving the functionality of the factory fuel system. Despite its compact size, the Omega Pump boasts high capacity, allowing it to effectively replace the need for two conventional high-performance fuel pumps. Furthermore, AMS’ system includes a meticulously crafted precision CNC’d aluminum housing, along with all the necessary fittings and hardware, ensuring a clean and hassle-free installation process.

Substantial Fuel Delivery Increase Without Compromise

Instead of eliminating important functions of the fuel system, AMS Performance has made the decision to integrate them. The Omega Fuel System actually improves upon the factory saddle-style fuel system and the factory “surge tank,” both of which were originally designed to mitigate fuel starvation issues during intense cornering and acceleration. By enhancing these existing components, the Omega Fuel System ensures optimal fuel delivery and performance even under demanding driving conditions.

User Interface Makes Custom Tuning A Breeze

Unlike many other aftermarket fuel systems, the controller provided by AMS Performance enables you to customize the fuel output according to your specific requirements. They offer pre-set basic settings that facilitate a quick and easy setup process. However, if you desire advanced functionality, their user-friendly Graphic User Interface (GUI) allows for effortless custom programming of the pump. The pump output can be easily controlled in one of three ways, providing you with flexibility and convenience in managing your fuel system.
Basic: Set up a constant pump output simply by raising pump duty cycle to the desired fuel pressure
Intermediate: Pump output can be staged based off of a switch. Using a Hobbs switch or WOT switch you can switch between two output percentages
Advanced: Pump output can be referenced to a 0 to 5V input. Tapping into a MAP sensor or throttle position sensor will allow the fuel pump to linearly output more fuel as you increase throttle or increase MAP.

One Fuel System To Buy

Although opting for a lower-cost pump may initially seem appealing, the long-term consequences of overworking the pump and the potential damage it can cause to the engine can result in significantly higher costs. In comparison, the Omega Brushless System offers a cost-effective solution. This system allows for future expansion, as a single pump is capable of supporting 1200 wheel horsepower. Should your requirements exceed the capabilities of the single pump system, adding an additional Omega Brushless Pump to your existing setup is a straightforward process. Similar to adjusting a boost controller, you can easily fine-tune the required fuel for your specific configuration by making simple adjustments to the Omega Pump controller to achieve the desired flow. With this level of flexibility and control, the Omega Brushless System provides a reliable and adaptable fuel solution.

Tested And Proven On The World’s Fastest GT-Rs

The Omega Fuel System has undergone extensive testing and validation on various high-performance GT-Rs, including our flagship Alpha Omega. Over a span of more than 2 years, we have conducted rigorous long-term testing specifically on the brushless technology utilized in this system. This thorough testing ensures that you can confidently install the best fuel system in your GT-R, knowing that it has been tried, tested, and proven in real-world performance scenarios.

Features

Produces less heat lowering fuel temperature and prevent engine damage
Smaller for easy installation
USB thumb drive included with detailed install instructions
Quieter for driving comfort
High flow rate with no pressure drop
1200hp capable with room to expand the system
Entire system neatly contained inside the fuel tank
Utilizes the factory “surge tank” to prevent fuel starvation
Simple user interface
Tested and proven on the world’s fastest R35 GT-Rs

What’s Included

Billet fuel pump filter housing with pump installed and assembled
Wire harnesses
3.5 bar MAP sensor
Fuel pump controller
USB interface
USB thumb drive with software and detailed instructions
Inside tank hoses
Replaceable Fuel Filters: Pre-pump filter socks (Walbro 125-118) and post-pump 6 micron filter (Fuelab 71804)
All necessary hardware and fittings to install

Applications

Nissan GT-R: CBA-R35, DBA-R35, EBA-R35 (2008-2025) [3.8L V6 twin-turbo VR38]

Notes

Fits all USDM, JDM and European models (LHD & RHD)

About AMS Performance

AMS Performance is founded on principles of integrity and is dedicated to automotive performance, particularly for turbocharged vehicles. As a leading manufacturer of automotive performance parts, AMS not only offers a wide range of high-quality components but also provides additional services such as in-house engine computer calibration, parts and package installations, and engine and transmission building. At AMS, their primary focus lies in engineering. Unlike other shops, they prioritize the development of components that deliver unparalleled performance. Their approach goes beyond a basic understanding of engine performance, utilizing computer-aided designs and employing mechanical engineers with extensive experience in the motorsports field. With a history spanning two decades, AMS Performance has consistently maintained its position at the forefront of the industry. Whether you seek complete turn-key packages or individual components, AMS has the expertise to meet and surpass various performance goals. From drag racing to road racing and everything in between, AMS is ready to enhance your driving experience and elevate your vehicle’s performance to new heights.

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AMS Performance Omega Brushless Dual Fuel Pump System for R35 Nissan GT-R [ALP.07.07.0010-2]

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