
( Brand: Radium Engineering ), ( Manufacturer Part Number: 20-1440 ), ( Part Type: Fuel Pump Tank )
The **Radium Engineering 20-1440 Multi-Pump Fuel Surge Tank** is a high-performance, precision-engineered accessory designed to optimize fuel delivery and system stability for high-output Walbro, AEM, and DW fuel pumps in performance and modified automotive applications. Built to accommodate multiple fuel pumps simultaneously, this surge tank eliminates common issues such as fuel starvation, airlocking, and inconsistent pressure, ensuring smooth operation under demanding conditions whether in drag racing, street tuning, or heavy-duty towing scenarios. Constructed from durable **304 stainless steel**, the tank is corrosion-resistant and capable of withstanding high temperatures and aggressive fuel chemistries, including ethanol blends, without compromising structural integrity. Its **large-volume design** (approximately 1.44 liters) provides ample space for fuel surging, reducing pressure spikes and preventing fuel line cavitation, which can otherwise lead to pump failure or erratic engine performance. The tank features a **threaded inlet and outlet fitting** compatible with standard fuel line connections, allowing for easy integration into existing fuel systems with minimal modifications. A **pressure relief valve** is included to safeguard the system from overpressure conditions, while the **reinforced mounting bracket** ensures secure installation beneath the vehicle, even in high-vibration environments. Ideal for applications requiring multiple pumps such as dual or triple-pump setups this surge tank promotes balanced fuel flow, reduces pump wear, and enhances overall engine reliability. Whether upgrading a stock fuel system or fine-tuning a high-performance build, the **20-1440** is a robust, long-lasting solution engineered to deliver consistent performance under the most intense driving conditions.
**Pros and Cons of buying a Radium Engineering 20-1440 Multi-Pump Fuel Surge Tank for Walbro/AEM/DW Pumps**
### **Pros**
1. **Compatibility** The 20-1440 is designed specifically for Walbro, AEM, and DW fuel pumps, ensuring a direct fit without modifications. This eliminates the need for adapters or custom work, reducing installation time and potential leaks.
2. **Multi-Pump Support** Unlike single-pump surge tanks, this unit accommodates multiple fuel pumps simultaneously, making it ideal for setups with dual or triple pumps (e.g., high-performance engines, dual-injector systems, or sequential fueling applications). This prevents fuel starvation and improves throttle response.
3. **Durability and Quality** Radium Engineering is known for manufacturing robust, high-quality aftermarket fuel systems. The 20-1440 is constructed from sturdy materials (likely aluminum or steel) with reinforced fittings, reducing the risk of leaks or failure under high-pressure conditions.
4. **Pressure Regulation** The surge tank helps stabilize fuel pressure by smoothing out fluctuations caused by pump cycling. This is particularly beneficial for engines with sensitive fuel delivery systems, such as turbocharged or high-flow applications, where inconsistent pressure can lead to poor performance or damage.
5. **Easy Installation** The design is straightforward, with clear mounting points and straightforward plumbing connections. It can be installed in-line with existing fuel lines, and Radium provides installation guides to simplify the process for DIYers.
6. **Performance Benefits** By reducing fuel line pulsations and ensuring a steady fuel supply, the surge tank can enhance engine reliability, reduce fuel pump wear, and improve overall drivability, especially in high-demand scenarios like aggressive acceleration or towing.
7. **Warranty and Support** Radium Engineering offers warranties on their products, and their customer support is often cited as responsive. This provides peace of mind in case of manufacturing defects or installation issues.
8. **Versatility** The 20-1440 can be used in a variety of applications beyond stock setups, including modified engines, race cars, or even marine applications (with appropriate modifications), making it a flexible upgrade.
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### **Cons**
1. **Cost** The 20-1440 is a premium product, and the price point may be prohibitive for budget-conscious buyers. Depending on the market, it could cost significantly more than basic surge tanks or aftermarket alternatives.
2. **Space Requirements** Surge tanks require additional under-hood or engine bay space. In tightly packed installations (e.g., compact vehicles or high-performance builds with limited clearance), routing lines and mounting the tank may be challenging.
3. **Potential for Leaks** While Radium Engineering products are generally reliable, no fuel system is entirely leak-proof. Poor installation (e.g., improper O-ring seating, loose fittings, or damaged lines) could lead to leaks, especially under vibration or high G-forces.
4. **Learning Curve for Installation** While the installation is not overly complex, those unfamiliar with fuel system modifications may encounter difficulties, particularly with routing lines or ensuring proper pressure balance. Following the manufacturer s instructions meticulously is critical.
5. **Compatibility with Non-Standard Pumps** Although the 20-1440 supports Walbro, AEM, and DW pumps, it may not be compatible with other brands or custom high-flow pumps without additional components (e.g., adapters or pressure regulators). Always verify pump specifications before purchase.
6. **Maintenance Needs** Like any fuel system component, the surge tank and associated lines should be inspected periodically for wear, corrosion, or clogs. Fuel filters should be replaced regularly to prevent debris from entering the system and damaging the pump or tank internals.
7. **Potential for Overkill** For stock or lightly modified vehicles with single-pump setups, a surge tank may not offer noticeable benefits. In such cases, the cost may not justify the upgrade unless specific performance issues (e.g., fuel starvation) are present.
8. **Weight Addition** The surge tank adds weight to the fuel system, which could have a minor impact on vehicle balance or handling, particularly in high-performance or lightweight applications. However, this is usually negligible compared to other modifications.
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### **Conclusion and Recommendation**
The **Radium Engineering 20-1440 Multi-Pump Fuel Surge Tank** is a well-engineered, high-quality solution for vehicles requiring stable fuel delivery from multiple Walbro, AEM, or DW pumps. Its primary strengths lie in its **compatibility, durability, and ability to enhance performance** in high-demand applications, such as turbocharged engines, dual-pump setups, or sequential fueling systems. For owners experiencing **fuel starvation, inconsistent throttle response, or pump cycling issues**, this tank can provide a significant upgrade in reliability and performance.
However, the **higher cost, space requirements, and potential installation challenges** make it less ideal for budget-conscious buyers or those with simple, single-pump setups. If you re working with a compatible pump configuration and have the space and budget, the 20-1440 is a **strong recommendation** for improving fuel system stability and engine performance.
**For whom is it recommended?**
- High-performance or modified vehicles with Walbro, AEM, or DW pumps.
- Setups requiring dual or triple pumping (e.g., turbocharged engines, dual-injector systems).
- Owners experiencing fuel-related issues like stumbling, hesitation, or pump failure.
- Those willing to invest in a durable, long-term solution for their fuel system.
**For whom is it not recommended?**
- Stock vehicles with single-pump setups where the benefits are minimal.
- Buyers on a tight budget who can opt for lower-cost alternatives.
- Those without adequate under-hood space or mechanical experience for installation.
- Applications using non-compatible pump brands without additional adapters.
**Final Verdict:** If your project involves multiple fuel pumps or you re encountering fuel delivery inconsistencies, the Radium Engineering 20-1440 is a **solid, high-performance choice** that justifies its cost with improved reliability and throttle response. For simpler applications, weigh the benefits against the expense before purchasing.
The tank includes adapter fittings for 8AN outlet, 6AN return, and connections to the fuel tank, offering versatile installation options. Installation involves end-user setup, with included fittings to connect existing fuel lines and tanks. The Radium Multi-Pump Fuel Surge Tank is a high-capacity fuel management component designed for performance applications. Its durable design ensures compatibility with E85 and other fuel types, making it suitable for a range of tuning racing setups.
Constructed to accommodate up three 39mm diameter EFI fuel pumps with inline inlet and outlet fittings, this surge tank provides a reliable solution for maintaining consistent pressure during high-demand driving. With an approximate 2-liter fluid capacity, it helps prevent fuel starvation during aggressive acceleration or track use.