Regan Brown
The 340 LPH fuel pump is a high-output, compact, and lightweight electric fuel pump that fits most EFI applications. The pump's performance varies depending on the vehicle's fuel system and specifications. According to Aeromotive, the 340 Stealth Pump is rated for up to 700 rwhp with a supercharger or turbo. However, some users have reported achieving 525 rwhp with a 340 pump, while others suggest that a boost-a-pump (BAP) can increase the horsepower to the 600 rwhp range. AEM's 340 LPH High Flow In-Tank Fuel Pump claims to support over 1,000 HP at 43 PSI, but the flow capability for horsepower support depends on the fuel hose diameter and system electrical voltage.
| Characteristics | Values |
|---|---|
| HP support | 475-700 rwhp |
| Fuel flow | 340 lph |
| Fuel flow (in gallons) | 84-90 US gph |
| Fuel pressure | 40-43 psi |
| Fuel type | Gasoline |
| Voltage | 6-18 volts |
| Current Draw (40 psi) | 12 amps (13.5v) |
| Current Draw (80 psi) | 15 amps (13.5v) |
| Fuse | 20 amps (13.5v) |
| Weight | 12.5oz (354 grams) |
| External Materials | Black-plated steel with laser etching |
| Inlet Fitting | 7.7mm ID, 11.0mm OD |
| Outlet Fitting | 8mm hose clamp |
| PRV Activation | 80 PSI |
| Impeller Design | Single Scroll Ceramic Turbine |
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What You'll Learn
- The 340 Stealth Pump can support 700rwhp with a supercharger or turbo
- The 340 LPH fuel pump can support over 1,000 HP at 43 PSI
- The horsepower supported is dependent on fuel hose diameter
- The 340 LPH fuel pump is a high-output, in-tank, electric fuel pump
- The 340 Stealth Pump is flow-tested and meets all specs across the full range of pressure
The 340 Stealth Pump can support 700rwhp with a supercharger or turbo
The 340 Stealth Pump is a high-output, in-tank, electric fuel pump that fits most popular EFI applications. It is compact and lightweight and can be bolted into many existing hanger assemblies. The pump is ideal for applications requiring more flow while retaining the factory lines and mounting provisions available in the Original Equipment (OE) configuration.
The 340 Stealth Pump is tested multiple times in production to ensure each individual pump meets all quality and performance specs, 100%. At 40 psi, the 340 Stealth Pump boasts more than 340 lph, which is over 30% more flow compared to other popular aftermarket pumps.
However, it is important to note that the maximum HP of the 340 Stealth Pump may vary depending on the vehicle and the fuel system combination. The pump is typically installed in an otherwise stock, return-style EFI fuel system, and various OEM components within the fuel system may impact the flow that can be delivered to the fuel rail.
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The 340 LPH fuel pump can support over 1,000 HP at 43 PSI
The 340 LPH fuel pump is a high-performance, high-flow pump that can support over 1,000 HP at 43 PSI. This pump is ideal for high-output, naturally aspirated, and forced induction EFI vehicles. It delivers a high volume of fuel flow and has a compact design, making it a popular choice for many applications.
The flow capability of this pump is impressive, with a rating of 340 LPH at 40 PSI and the ability to exceed that at higher pressure. This is due to its superior flow characteristics, providing over 30% more flow compared to other aftermarket pumps. The pump's performance has been thoroughly tested and verified to meet all specifications across a wide range of pressures.
In terms of specific horsepower support, the estimates vary depending on the setup and vehicle. Some sources suggest that a 340 LPH pump without a BAP can support up to 475 RWHP, while others claim it can reach 525 RWHP. With the addition of a BAP and 60lb injectors, the pump can support up to 600 RWHP.
It's important to note that the fuel system combinations and variations across different vehicles can impact the maximum horsepower supported. However, the 340 LPH fuel pump has been designed as a universal replacement, showcasing its versatility and ability to adapt to various applications.
Overall, the 340 LPH fuel pump is a powerful and reliable option, capable of supporting over 1,000 HP at 43 PSI in the right conditions. Its compact size, high flow rate, and compatibility with EFI systems make it a popular choice for those seeking high-performance fuel delivery solutions.
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The horsepower supported is dependent on fuel hose diameter
The horsepower supported by a fuel pump is influenced by a combination of factors, including the fuel hose diameter, fuel pressure, and the specific characteristics of the engine and fuel system. In this context, let's delve into the relationship between fuel hose diameter and horsepower.
Fuel hose diameter plays a significant role in determining the flow rate and pressure of the fuel delivered to the engine. The internal diameter of a fuel hose directly impacts the cross-sectional area available for fuel to pass through. According to the principles of fluid dynamics, a larger diameter hose facilitates a greater flow rate by providing less resistance to the flowing fuel. This principle applies across various fuel pump capacities.
When it comes to the 340 LPH (litres per hour) fuel pump, the choice of fuel hose diameter becomes even more crucial. The 340 LPH fuel pump is designed to deliver a high flow rate, and the fuel hose diameter can either support or hinder this capability. A narrower fuel hose will create more restriction, resulting in increased friction and pressure loss. Conversely, a wider fuel hose will provide less resistance, allowing the fuel pump to deliver fuel more efficiently.
Typically, fuel hoses for automotive applications are available in a range of internal diameters, including 6mm, 8mm, 10mm, 12mm, 15mm, and 19mm. The appropriate diameter for a specific application depends on several factors, including the type of engine, fuel injection system, and fuel pressure requirements. For example, older, smaller-engined cars with carburettors might use a 6mm hose, while larger-engined cars could require a 10mm hose. Fuel-injected cars often use larger diameters, such as 12mm or 15mm hoses, to accommodate the increased fuel flow requirements of fuel injection systems.
The relationship between fuel hose diameter and horsepower is intricate. While a larger diameter hose can support higher horsepower by facilitating increased fuel flow, it is just one factor in the overall equation. The fuel system's pressure, the engine's specifications, and other components, such as injectors and regulators, collectively influence the horsepower that a fuel pump can support. Therefore, it is essential to consider the fuel hose diameter in conjunction with these other factors to ensure optimal fuel delivery and engine performance.
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The 340 LPH fuel pump is a high-output, in-tank, electric fuel pump
The 340 LPH fuel pump is a high-performance, high-output, in-tank, electric fuel pump, which is ideal for vehicles requiring a high volume of fuel flow. The pump is compact and lightweight, and can be fitted to most vehicles, making it a versatile option for those seeking an upgrade in fuel pump performance.
The 340 LPH fuel pump can support a wide range of horsepower, depending on the vehicle's specifications. For example, the pump can support up to 700rwhp with a supercharger or turbocharger, according to Aeromotive. This is based on the assumption of a fully optimized system.
In practice, the maximum horsepower supported by the 340 LPH pump varies depending on a number of factors, including fuel hose diameter, system electrical voltage, and amperage capabilities. It is important to ensure that the electrical plug in your tank is compatible with the pump, as some vehicles may require additional wiring to handle the current draw of high-flow fuel pumps.
The 340 LPH pump has been known to support up to 525rwhp, and with the addition of a BAP (Boost A Pump), it can reach the low 600rwhp range. This makes the 340 LPH fuel pump a popular choice for those seeking improved performance and fuel flow without having to resort to more extreme modifications.
Overall, the 340 LPH fuel pump is a powerful and versatile option that can support a wide range of horsepower ratings, making it suitable for various vehicle applications and performance goals.
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The 340 Stealth Pump is flow-tested and meets all specs across the full range of pressure
The 340 Stealth Pump is a high-output, in-tank, electric fuel pump that fits most popular EFI applications. It is a compact, lightweight pump that bolts into many existing hanger assemblies. The pump is designed to deliver superior flow throughout a wide pressure range.
The 340 Stealth Pump is not typically listed as compatible with OEM returnless fuel systems. This is because returnless fuel systems are extensively engineered and finely balanced, with various components working together to meet the factory engine's torque and horsepower production. The 340 Stealth Pump flows 2-3 times the volume of OEM pumps and draws 2-3 times the current, which can disrupt the finely balanced system.
The maximum horsepower that a 340 Stealth Pump can support is difficult to determine due to variations in fuel system combinations and vehicle specifications. However, in a bypass EFI fuel system with specific optimised components, the pump can support up to 700 flywheel horsepower (HP) with forced induction. Real-world fuel pressure starts dropping at 475 HP, but with 60lb injectors, this can be increased to 525 HP.
The 340 Stealth Pump is a reliable and high-performance option for those seeking increased flow rates while retaining factory lines and mounting provisions.
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Frequently asked questions
It depends on the setup, but a 340 LPH fuel pump can support between 475 and 700 HP.
The maximum HP a 340 LPH fuel pump can support depends on the fuel system, vehicle make and model, and electrical supply.
A 340 LPH fuel pump is typically used for high-performance, naturally aspirated and forced induction EFI vehicles.
Yes, the 340 LPH fuel pump offers superior flow throughout a wide pressure range, making it ideal for applications that require more flow while retaining factory lines and mounting provisions.
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