03/04/2012
Upgrading your classic car or performance vehicle to modern electronic fuel injection (EFI) can unlock significant improvements in power, efficiency, and drivability. A crucial component in this conversion process is the fuel cell, and Summit Racing offers a range of EFI-specific fuel cells designed to make the transition as smooth as possible. These aren't your average fuel tanks; they are precision-engineered components built for the demands of high-performance EFI systems.
Why Choose a Summit Racing EFI Fuel Cell?
Switching to EFI often involves more than just swapping out injectors and a fuel management system. The fuel delivery system, including the fuel tank or cell, needs to be capable of supporting the higher pressures and flow rates required by modern EFI systems. Summit Racing EFI fuel cells are specifically designed to address these needs, offering a robust and reliable solution.
Construction and Materials
One of the standout features of Summit Racing EFI fuel cells is their construction. They are meticulously crafted from 5052 lightweight aircraft aluminum. This material is chosen for its excellent strength-to-weight ratio, corrosion resistance, and ease of fabrication. The use of aircraft-grade aluminum ensures that the fuel cell is not only durable but also contributes minimally to the overall weight of your vehicle, a key consideration for performance enthusiasts.
Furthermore, these cells are TIG-welded. TIG (Tungsten Inert Gas) welding is a high-quality welding process that produces strong, clean, and precise welds. This meticulous welding technique is essential for fuel containment, preventing leaks and ensuring the longevity and safety of the fuel cell, especially under the stresses of racing or spirited driving.
Versatility and Customisation Options
Summit Racing understands that every build is unique. That's why their EFI fuel cells are available in a variety of sizes and fuel capacities. This allows you to select a cell that best fits the available space in your vehicle and matches your performance goals. Whether you need a compact cell for a smaller project or a larger capacity for extended range or high fuel consumption applications, there's likely an option to suit your requirements.
Integrated Fuel Pump and Sending Unit Options
A significant advantage of Summit Racing EFI fuel cells is the availability of models with or without integrated fuel pumps and sending units. This offers flexibility in your build:
- Cells with Integrated Pumps: These are a fantastic convenience, providing a complete, ready-to-install fuel delivery solution. The pumps are typically high-performance units designed to meet the demands of EFI systems.
- Cells without Pumps: This option is ideal if you already have a specific fuel pump in mind or if you plan to use a separate, external pump setup. It allows for greater customisation of your fuel system.
Compatibility with Retrofit Pumps
These Summit Racing EFI fuel cells are designed to work seamlessly with Summit Racing™ or Tanks Inc. retrofit in-tank fuel pumps. This compatibility is crucial. Retrofit in-tank pumps are specifically designed to be installed within a fuel tank or cell, providing a clean, quiet, and efficient fuel delivery solution that is often superior to older external pump setups. They are engineered to handle the pressures and flow rates required by EFI systems, ensuring consistent fuel supply to your engine.
Addressing the External Pump Dilemma
The transition from carbureted systems, which often utilise external fuel pumps, to EFI can present challenges. As the provided information highlights, "Until fairly recently, finding a competition-qualified fuel cell with a fuel pump in it, let alone one that would supply high horsepower requirements, took some doing." Many older or basic fuel cells were designed with external pumps in mind. However, modern EFI systems perform best with in-tank pumps.
Summit Racing EFI fuel cells, particularly those with integrated or compatible in-tank pump options, solve this problem. By offering solutions that accommodate in-tank pumps, they simplify the conversion process, eliminate potential issues associated with external pumps (like priming, noise, and heat soak), and provide a more reliable and efficient fuel delivery system for your EFI conversion.
Benefits of In-Tank Fuel Pumps for EFI
Moving your fuel pump inside the tank or fuel cell offers several key advantages:
- Quieter Operation: Pumps submerged in fuel tend to run much quieter than external pumps.
- Improved Cooling: The fuel itself acts as a coolant for the pump motor, extending its lifespan and improving performance under load.
- Consistent Fuel Supply: Being immersed in the fuel, the pump is less susceptible to vapor lock or cavitation, ensuring a steady supply of fuel to the engine.
- Reduced Plumbing Complexity: Often requires less complex plumbing compared to routing fuel lines to and from an external pump.
- Better Fuel System Cooling: The fuel is cooled as it passes through the pump, which can help reduce fuel vaporisation in the lines.
Key Considerations When Choosing Your Fuel Cell
When selecting a Summit Racing EFI fuel cell, consider the following:
| Factor | Consideration | Summit Racing EFI Fuel Cell Advantage |
|---|---|---|
| EFI Compatibility | Does the cell support the pressure and flow rates of your EFI system? | Specifically designed for EFI, often with integrated or compatible in-tank pumps. |
| Pump Integration | Do you need an integrated pump, or will you supply your own? | Available with or without pumps, and compatible with popular retrofit options. |
| Material & Construction | Durability, weight, and resistance to fuel. | Lightweight, strong 5052 aircraft aluminum, TIG-welded for maximum integrity. |
| Capacity & Size | Fuel needs and available space in the vehicle. | Wide range of sizes and capacities to suit diverse applications. |
| Safety & Certification | Compliance with racing or street regulations (if applicable). | High-quality construction promotes safety; check specific certifications if required. |
Frequently Asked Questions (FAQs)
- Q1: Can I use a standard fuel cell with an EFI system?
- While some standard fuel cells might work, it's highly recommended to use a fuel cell specifically designed for EFI. These cells, like the Summit Racing EFI models, are built to handle the higher pressures and flow rates and often feature integrated or compatible in-tank pumps, which are crucial for optimal EFI performance.
- Q2: What is the advantage of an in-tank fuel pump over an external one for EFI?
- In-tank pumps offer quieter operation, better cooling (leading to longer life), a more consistent fuel supply (reducing vapor lock issues), and often simpler plumbing. They are the preferred choice for most modern EFI systems.
- Q3: Are Summit Racing EFI fuel cells safe for street use?
- Summit Racing products are generally built to high standards. However, always check local regulations regarding aftermarket fuel cells for street use, especially concerning materials and safety features. The robust construction of these aluminum, TIG-welded cells suggests a high level of safety.
- Q4: What is TIG welding?
- TIG welding (Tungsten Inert Gas) is a precise welding process that uses a non-consumable tungsten electrode and an inert shielding gas. It produces very clean, strong, and high-quality welds, ideal for applications where integrity and leak prevention are paramount, such as in fuel cells.
Conclusion
Summit Racing EFI fuel cells provide a high-quality, reliable, and versatile solution for anyone undertaking an electronic fuel injection conversion. Their robust construction from aircraft-grade aluminum, precise TIG welding, and thoughtful design options, including integrated pump capabilities and compatibility with popular retrofit units, make them an excellent choice. By addressing the specific demands of EFI systems and simplifying the integration of essential components like fuel pumps, these fuel cells help ensure your performance upgrade is both successful and hassle-free. Whether you're building a track car or a street-legal beast, a Summit Racing EFI fuel cell is a smart investment in your vehicle's performance and reliability.
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