Ameer Randolph
The AMS Performance VR30DDTT Stage 2 High Pressure Fuel Pump is a powerful tool for those seeking to maximise their vehicle's performance. With a fuel flow rate of 338 litres per hour and a maximum operating pressure of 240 bar, this pump promises to deliver serious power. However, it's not a simple DIY task, as improper installation carries serious risks, and it must be installed and removed by a qualified motorsport technician. For those seeking a significant upgrade in their fuel pump's capabilities, the AMS Performance VR30DDTT Stage 2 pump is an attractive option, but it's not a project to be taken lightly.
Another option is the BMW E-Chassis Walbro Stage 2 LPFP Upgrade, which is compatible with pump gas, race gas, and E85. The upgrade offers a choice between the Walbro 450 and Walbro 525 pumps, with the latter supporting approximately 10% more power. While this option provides a significant boost, it's important to note that the upgraded pumps pull more current, which may cause issues with the LPFP control module.
| Characteristics | Values |
|---|---|
| Brand | AMS Performance |
| Model | VR30DDTT Stage 2 High Pressure Fuel Pump |
| Fuel Flow | 338 liters per hour |
| Maximum Operating Pressure | 240 bar |
| Compatible Vehicles | 2017+ Infiniti Q60 with 3.0L Twin Turbo VR30, 2016+ Infiniti Q50 with 3.0L Twin Turbo VR30, 2023+ Nissan Z (all submodels) |
| Installation | Qualified Motorsport Technician |
| Upgrade Options | Walbro 450 (F90000274) or Walbro 525 (F90000285) pump |
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What You'll Learn
- The BMW E-Chassis Walbro Stage 2 LPFP upgrade includes a new Walbro filter
- The Walbro 450 pump supports 500whp on E85
- The Walbro 525 pump supports 10% more power than the 450
- The AMS Performance VR30DDTT Stage 2 High Pressure Fuel Pump has a maximum operating pressure of 240 bar
- The VR30DDTT Stage 2 pump must be installed by a qualified motorsport technician
The BMW E-Chassis Walbro Stage 2 LPFP upgrade includes a new Walbro filter
The BMW E-Chassis Walbro Stage 2 LPFP upgrade is a fuel pump upgrade for the N54 and N55 motors. The upgrade includes a new Walbro filter, a spare vent tube clip, and a new E85-compatible Walbro pump. The pump can be either the Walbro 450 (F90000274) or the Walbro 525 (F90000285). The Walbro 450 will support approximately 500-600whp, depending on the fuel type, while the Walbro 525 will support approximately 10% more than the 450. The upgrade also includes a new OEM bucket, tophat, float, and O-ring.
The BMW E-Chassis Walbro Stage 2 LPFP upgrade is compatible with a range of BMW vehicles, including the BMW 1 Series 1' E88 and E82 (2006-2013) and the BMW 3 Series 3' E90, E90 LCI, E91, E91 LCI, E92, E92 LCI, E93, and E93 LCI (2004-2013). The upgrade is also compatible with both North American and European spec vehicles, although there are some differences in the fuel bucket assembly between the two specifications.
The Walbro Stage 2 LPFP upgrade provides a significant increase in flow compared to the stock pump, with up to 25% more flow than the standard Stage 2 LPFP upgrade and up to 150% more flow than the stock pump. This upgrade is designed to support high horsepower outputs, with the ability to handle up to 550whp on E85 and 600whp on race gas.
It is important to note that the upgraded pump pulls more current than the stock pump, which may cause issues with the LPFP control module. If the EKP is weak, it may overheat and need to be replaced. Additionally, the Stage 2 bucketless kit includes a basic filter assembly, and running the vehicle under low fuel conditions can cause fuel starvation issues. For those concerned about this, there is the option of the FI-650HP fuel pump upgrade kit, which retains the stock LPFP and adds a secondary pump.
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The Walbro 450 pump supports 500whp on E85
The Walbro 450 LPH fuel pump is a high-pressure, high-flow performance fuel pump that is compatible with E85 fuel. It is designed to meet the fuel demands of turbocharged gasoline high-performance engines and can support approximately 500whp on E85. This fuel pump features a unique "fat-bottom" pump mechanism that allows it to outperform most in-tank fuel pumps, including the Walbro 400.
The Walbro 450 fuel pump is based on a 39mm motor, similar to the proven 255hp motor, but with a high-performance turbine pump instead of a gerotor pump. This turbine pump head uses two sets of turbine blades set in parallel on a common shaft, similar to a jet engine. The pump design pressurizes the fuel as it flows through the pump axially, resulting in tremendous flow rates at various rail pressures and injector sizes.
The Walbro 450 fuel pump is available as a drop-in pump for T7 93 and 95 vehicles and as an in-tank fuel pump for high-performance engines. It is also offered as an upgrade for the BMW E-Chassis N54 and N55 motors, providing compatibility with pump gas, race gas, and E85.
The Walbro 450 fuel pump is a popular choice for those seeking high horsepower and the ability to run E85 fuel without issues. It is a reliable and efficient solution for turbocharged vehicles with high fuel requirements.
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The Walbro 525 pump supports 10% more power than the 450
The Walbro 525 fuel pump is a popular upgrade for those seeking increased performance from their vehicles. Compared to the Walbro 450, the 525 model offers several advantages and supports 10% more power.
The Walbro 450 is a reliable fuel pump that can support approximately 500-600 horsepower, depending on the fuel type. It is a common choice for many car enthusiasts, as it provides a good balance between performance and cost. However, some users have expressed the desire for even higher flow rates and power outputs, which has led them to consider upgrading to the Walbro 525.
The Walbro 525 fuel pump is designed to deliver increased flow rates and support higher horsepower ratings. While the exact flow rate difference between the 450 and 525 models is not clearly stated, the 525 is said to provide "higher flow" and approximately 10% more power than the 450. This makes it a desirable option for those seeking to maximise their vehicle's performance, especially when paired with a suitable fuel type.
One key consideration when upgrading to the Walbro 525 is the compatibility of the existing fuel system. Some users have mentioned the importance of ensuring that the wiring and relay can handle the increased current draw of the larger pump. Upgrading to a higher-amperage relay, such as a 50-amp unit, is often recommended to accommodate the power requirements of the Walbro 525. Additionally, adding an inline fuel filter is advised when eliminating the original fuel filter during the installation process.
The Walbro 525 fuel pump offers a significant performance upgrade over the Walbro 450, providing 10% more power. This makes it a popular choice for car enthusiasts seeking to enhance their vehicle's capabilities. However, it is important to carefully plan the installation, taking into account the fuel system's compatibility and ensuring that the wiring and relay can handle the increased power demands of this high-performance fuel pump.
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The AMS Performance VR30DDTT Stage 2 High Pressure Fuel Pump has a maximum operating pressure of 240 bar
The AMS Performance VR30DDTT Stage 2 High Pressure Fuel Pump is a powerful component designed to enhance automotive performance. With a maximum operating pressure of 240 bar, this fuel pump delivers an impressive fuel flow of over 338 litres per hour, making it an ideal choice for those seeking increased power and performance.
The fuel pump's high-pressure capabilities are a notable feature, enabling it to support high-performance packages such as the ALPHA 6 or RA600 for the Nissan Z and Infiniti Q50/Q60. This makes it particularly suitable for those aiming to maximise performance on stock turbos with e85 fuel. The pump's ability to handle high fuel pressure ensures a consistent and efficient fuel delivery system, resulting in improved engine performance and power output.
The VR30DDTT Stage 2 fuel pump is designed with high-quality stainless steel construction, ensuring durability and reliability. The pump undergoes rigorous testing, including in-house quarter and half-mile runs, to guarantee its performance and longevity. This comprehensive testing sets AMS components apart from the competition, giving customers confidence in the pump's performance and reliability.
In addition to its impressive performance capabilities, the VR30DDTT Stage 2 fuel pump also offers a quick and easy upgrade solution. The pump comes fully assembled, utilising OEM-type fuel fittings and electrical connectors for a seamless installation process. The comprehensive installation instructions provided make the upgrade accessible to qualified motorsport technicians, ensuring a straightforward and hassle-free experience.
It is important to note that the VR30DDTT Stage 2 fuel pump is subject to specific regulations and may not be available for purchase or use in certain regions, particularly emissions-controlled vehicles in California. International users should refer to their local laws and regulations before considering this product. With its high-pressure capabilities, durable construction, and rigorous testing, the AMS Performance VR30DDTT Stage 2 High Pressure Fuel Pump is a reliable choice for those seeking increased power and performance from their vehicles.
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The VR30DDTT Stage 2 pump must be installed by a qualified motorsport technician
The VR30DDTT Stage 2 fuel pump is a high-performance product that requires careful handling and expert installation. This fuel pump is designed for those seeking more power from their vehicles, as it enables a significant increase in fuel flow, at over 338 litres per hour, and allows for 240 bar of fuel pressure.
The installation process for this pump is not suitable for novices or inexperienced individuals. The VR30DDTT Stage 2 fuel pump must only be installed and removed by a qualified motorsport technician to ensure safety and proper functionality. This technician should also be specifically trained in installing and removing this type of pump from the relevant vehicle.
The pump comes with comprehensive installation instructions, which are intended for qualified motorsport technicians. The installation process involves specific calibrations to the ECU tune file, which must be reviewed by a qualified engine calibrator to ensure the engine is functioning correctly.
The VR30DDTT Stage 2 fuel pump is a high-quality product, constructed with all stainless steel, and has undergone rigorous testing to ensure optimal performance. It is the result of a collaboration between AMS Performance and Nostrum High Performance, a leader in fuel system technology, bringing reliable high-pressure fuelling solutions to the VR30 platform.
In summary, the VR30DDTT Stage 2 fuel pump is a powerful and reliable product, but it must be treated with caution and installed by a qualified motorsport technician to ensure safety and proper performance.
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Frequently asked questions
The AMS Performance VR30DDTT Stage 2 High Pressure Fuel Pump has a fuel flow capacity of 338 liters per hour.
The maximum operating pressure of the pump is 240 bar.
Due to the serious risk of fire, explosion, and bodily injury, the pump must be installed and removed only by a qualified motorsport technician who has been trained in installing and removing this specific pump.
