Fuel Pressure Regulator: Edelbrock's Performance Enhancer?

Edelbrock carburetors are sensitive to fuel pressure and require a regulator to control the pressure. The regulator ensures that the carburetor receives the optimal fuel pressure, which is usually between 5 and 6 psi. Without a regulator, the carburetor can receive excessive fuel pressure, leading to issues such as flooding and vapor lock. Additionally, the regulator helps maintain a consistent fuel pressure, enhancing the performance and efficiency of the carburetor.

Edelbrock carbs and their sensitivity to fuel pressure

Edelbrock carburettors are sensitive to fuel pressure and require a regulator to function properly. The regulator ensures that the carburettor receives the correct fuel pressure, which can vary depending on the application and engine specifications.

The Edelbrock community forum provides advice on fuel pressure regulators for different Edelbrock carburettor systems. For example, the Pro-Flo 4 system is recommended to be set up with a fuel pressure of 43 lbs, while the Edelbrock 17401 rail mount regulator provides 58 PSI. In this case, a non-adjustable regulator is not suitable, and an adjustable regulator such as the Edelbrock 174023 or its variants 174041, 174042, or 17428 is recommended.

Another user seeks advice on the installation of the Edelbrock Pro Flo fuel pressure regulator, specifically whether it should be installed on the input or return side of the fuel rails. The response suggests that the regulator is rail-mounted and can be installed on either side. The Edelbrock Fuel Pressure Regulator #17401 is designed to be mounted directly to the fuel rail, eliminating the need for additional mounting space in the engine bay.

Edelbrock offers a range of fuel pressure regulators, including adjustable and non-adjustable options, as well as different pressure ratings. The Adjustable Billet Fuel Pressure Regulator (4.5-9 psi) is suitable for carburettor applications that require a consistent pressure range from 4.5 to 9 psi. It features multiple inlet and outlet ports and is manufactured from billet aluminium for heat and leak resistance.

In summary, Edelbrock carburettors require fuel pressure regulators to ensure optimal performance, and the selection of the correct regulator depends on the specific Edelbrock carburettor system and engine specifications. The Edelbrock community forum provides a valuable resource for users seeking advice on the appropriate fuel pressure regulator for their setup.

Fuel pressure regulators and their benefits

Fuel pressure regulators are an essential component of a vehicle's fuel management system, ensuring optimal performance and efficiency. They come in various shapes, styles, and capacities, catering to both carbureted and fuel-injected applications. The primary benefit of a fuel pressure regulator is its ability to maintain consistent fuel pressure, supplying the engine with the precise amount of fuel it needs.

One of the key advantages of fuel pressure regulators is their ability to fine-tune fuel delivery. Adjustable regulators allow for precision adjustments, ensuring the engine receives the exact amount of fuel required for optimal performance. This is especially beneficial for high-performance vehicles, such as race cars, where precise fuel management is crucial.

Another benefit of fuel pressure regulators is their ability to manage excess fuel. Return-style regulators, for example, allow excess fuel to return to the tank, ensuring a steady fuel supply and maintaining stable pressure across different engine loads. This helps prevent issues like fuel starvation or flooding, enhancing the overall stability of the vehicle's fuel system.

Additionally, fuel pressure regulators offer versatility. They are available for a wide range of engines, including stock, modified, diesel, and E85 engines. This versatility ensures that regardless of the vehicle, there is a regulator that can provide the necessary fuel management and optimisation.

Finally, fuel pressure regulators are designed to be durable and perform under various conditions. They are built to handle different speeds, angles, and conditions, ensuring that the vehicle's engine receives a consistent fuel supply, leading to efficient performance on both the track and the street.

Fuel pump options

Edelbrock offers a wide range of fuel pump options, catering to various vehicle specifications and requirements. Here is a detailed overview of the fuel pump options available:

Electric Fuel Pumps

Edelbrock offers a variety of electric fuel pumps, which are designed to deliver high performance with ease of installation and operation. These pumps are self-priming and regulating, reducing the chances of vapor lock and flooding. They are compatible with standard 12V negative ground systems and have a 1-amp draw at maximum delivery. The electric fuel pumps offered by Edelbrock include:

• Electric Fuel Pump #1790: Rated at 80 GPH (gallons per hour) at 43 PSI (pounds per square inch).
• Electric Fuel Pump #3581: An in-tank fuel pump rated at 57 GPH at 43 PSI.
• Electric Fuel Pump #3594: An in-line fuel pump rated at 67 GPH at 43.5 PSI.
• Universal Micro Electric Fuel Pumps: These compact pumps are available in different flow rate options, including 30 GPH, 38 GPH, and 160 GPH. They are suitable for gasoline, E85, and diesel fuels.

Carb Fuel Pump & Regulator Kit

Edelbrock offers a Carb Fuel Pump & Regulator Kit, which includes the Electric Fuel Pump #1792 and the Regulator #1727. This kit provides a convenient solution for fuel pump and regulator installation.

High-Performance In-Tank Fuel Pumps

Edelbrock offers high-performance in-tank fuel pumps with a flow rate of 255 liters/hour (67 GPH). These pumps are suitable for FI engines and turbo/nitrous applications. They are available in different pressure ratings, including 60+ PSI.

ProFlo4 EFI Fuel Pump Relay

The ProFlo4 EFI Fuel Pump Relay #3534 is designed for high-current fuel pumps and operates at 12V with a 30-amp capacity.

Edelbrock Performer RPM and Victor Series Fuel Pumps

Edelbrock offers Performer RPM and Victor Series fuel pumps for various vehicle models, including SBC, W Series Chevy, Big-Block Chevrolet, Pontiac V8, 352-428 FE Ford, Small-Block Chrysler, and 289-351W Ford. These fuel pumps are designed for optimal performance in specific vehicle applications.

Fuel Pump Relay and Rebuild Kits

Edelbrock also provides fuel pump relay kits, such as the Universal Fuel Pump Relay Kit, as well as rebuild kits for their Quiet-Flo fuel pumps. These kits ensure the proper functioning and maintenance of the fuel pumps.

In summary, Edelbrock provides a comprehensive range of fuel pump options, catering to different vehicle types, performance requirements, and fuel types. It is important to select the appropriate fuel pump based on your specific vehicle's needs and specifications.

Fuel filter options

Edelbrock offers a wide range of fuel filters to suit your needs.

One option is the Edelbrock 3" Aluminium Street Fuel Filter, which comes in a black, red, or chrome finish. This filter is designed for carbureted engines making less than 300 hp and features a sintered-bronze 40-micron element that can be cleaned or replaced.

Another option is the Edelbrock High-Flow Fuel Filter, which comes in a blue anodized finish (#8130) or a polished finish (#8129).

Edelbrock also offers a range of fuel filters for specific applications, such as the Fuel Filter #1927 for M4M Q-Jet and Part #1903, #1904, #1905, #1906, and #1910, and the Fuel Filter #1926 for 4MV Q-Jet and Part #1901 and #1902.

For a more universal option, the Edelbrock Clear View Fuel Filter is available for 3/8” i.d. Hose or 5/16” i.d. Hose, as well as a universal option.

Finally, Edelbrock offers replacement fuel filter elements, such as the Replacement High-Flow Fuel Filter Element #8137 and the Edelbrock Replacement Filter Element for #17301 and #17303 (40 micron).

With such a wide range of options, you're sure to find the perfect fuel filter for your Edelbrock setup.

Carb heat insulators

The Edelbrock Heat Insulator Gasket, specifically part number 9266, is designed for square-bore applications and features a divided center, allowing dual plane Performer and RPM manifolds to seal properly to the carburetor. This gasket is 0.320 inches thick and comes with extended carburetor studs for proper installation. It is recommended to check air cleaner-to-hood clearance before installation to ensure that the additional height of the heat insulator gasket does not cause any interference.

The installation process involves removing the air cleaner and all attachments to the carburetor, such as the fuel line, throttle linkage, and vacuum lines. The carburetor is then removed, and the old base gasket and any additional plates are replaced with the new heat insulator gasket. The longer studs provided with the gasket kit are installed, and finally, the carburetor and all other connections are reinstalled.

The Edelbrock Heat Insulator Gasket has received positive reviews from customers who have experienced issues with fuel percolation, vapor lock, and heat soak. It is important to note that there may be variations in stud length, and some customers have reported receiving incorrect or missing studs with their gasket kits. Overall, the Edelbrock Heat Insulator Gasket is a useful solution for preventing fuel percolation and maintaining optimal fuel temperatures in high-performance engines.

Frequently asked questions