Setting Up Aeromotive Fuel Pressure Regulator: The Ultimate Guide

Setting the Aeromotive fuel pressure regulator is a straightforward process. The regulator is designed for medium to high horsepower applications and offers high-flow performance, exceptional pressure control, and legendary durability. The base pressure can be adjusted to meet the needs of the user, with a range of 3 to 20 PSI for the standard spring and 20 to 60 PSI for the high-pressure spring. The regulator is compatible with a variety of fuels, including gasoline, ethanol, alcohol, and diesel. It is important to note that the regulator is not legal for sale or use on emission-controlled vehicles, except as a direct replacement part.

The regulator's base pressure adjustability

The Aeromotive Universal Return Style Fuel Pressure Regulator is a dual-purpose, universal regulator for EFI or carbureted and street or strip applications. It offers full flow and steady fuel pressure control.

To set the base pressure, you will need to refer to the installation instructions provided by Aeromotive. These instructions will guide you through the process of adjusting the regulator to achieve the desired base pressure. It is important to carefully follow these instructions to ensure accurate and safe fuel pressure regulation.

Additionally, the regulator's design provides dynamic fuel pressure control and is compatible with a range of fuels, including gasoline, ethanol, alcohol, and diesel. This versatility makes it suitable for a wide range of vehicles and applications.

The Aeromotive fuel pressure regulator is a reliable and adjustable solution for maintaining optimal fuel pressure in your vehicle. With its base pressure adjustability, you can fine-tune the fuel pressure to match the specific requirements of your engine and application.

The regulator's compatibility with fuel types

The Aeromotive Fuel Pressure Regulator is designed to be compatible with a range of fuel types, making it a versatile option for various applications. Here's a detailed overview of its compatibility with different fuel types:

Gasoline

The regulator is compatible with gasoline, which is a standard fuel type for many vehicles. This compatibility ensures it can be used in a wide range of cars, trucks, and other gasoline-powered engines.

Ethanol

It can also work with ethanol, a renewable fuel source that is becoming increasingly popular. This compatibility makes it a suitable choice for vehicles that run on ethanol-blended fuels or even pure ethanol.

Alcohol

Alcohol is another compatible fuel for the Aeromotive regulator. This includes methanol and other alcohol-based fuels, which are sometimes used in racing or high-performance applications.

Diesel

The regulator is also designed to work with diesel fuel. This compatibility is essential for diesel-powered vehicles, ensuring stable fuel pressure and efficient engine performance.

Nitrous Oxide (for Pro-Series EFI Regulator)

While this is not a standard fuel type, the Pro-Series EFI Regulator from Aeromotive offers auxiliary ports for nitrous applications. This feature allows for additional performance enhancements for racing or high-horsepower applications.

The Aeromotive Fuel Pressure Regulator's compatibility with these fuel types makes it a versatile option for a wide range of vehicles, from street cars to racing machines. It's important to note that the specific regulator chosen may depend on the unique requirements of your vehicle and the fuel type being used. Always refer to the manufacturer's instructions and guidelines to ensure proper usage and compatibility.

The regulator's inlet and outlet ports

Inlet Port:

The inlet port of the Aeromotive fuel pressure regulator is responsible for receiving fuel from the fuel pump. It is essential to ensure that this port is properly connected to the fuel line coming from the pump. The inlet port is typically located on the side or bottom of the regulator and is clearly marked. Make sure that the fuel line is securely attached to the inlet port using the appropriate fittings and that all connections are tight to avoid any leaks.

When installing the fuel line to the inlet port, it is crucial to use compatible fuel hoses and fittings to prevent leaks and ensure proper fuel flow. Ensure that the fuel line is routed in a way that avoids sharp bends or kinks, as this can restrict fuel flow and cause pressure issues. It is also recommended to use a fuel filter inline with the inlet port to ensure that any contaminants or debris are captured before they enter the regulator.

Outlet Port:

The outlet port of the fuel pressure regulator is responsible for returning the excess fuel back to the fuel tank. This port needs to be connected to a return line that leads safely back to the tank. Similar to the inlet port, ensure that the outlet port is clearly identified and securely connected to the return line. The outlet port is typically located opposite the inlet port. Use the correct fittings, and ensure that all connections are tight to prevent leaks.

The outlet port plays a crucial role in maintaining the desired fuel pressure. By returning the excess fuel to the tank, it ensures that the regulator can maintain a consistent pressure set by the regulator's adjustment mechanism. It is important to ensure that the return line is of sufficient size and free-flowing to allow the excess fuel to return to the tank without restriction.

Inlet and Outlet Port Sizes:

Aeromotive fuel pressure regulators typically offer different port sizes to accommodate different fuel system configurations. The most common sizes are -6AN and -8AN, referring to the thread size and type of the ports. It is important to ensure that your fuel lines, fittings, and adapters match the port sizes of your specific regulator. Using the correct sizes ensures proper flow and secure connections.

When selecting the appropriate inlet and outlet port sizes, consider the flow requirements of your engine and fuel system. For high-performance applications or engines with high fuel demands, larger port sizes, such as -8AN, are often preferred to ensure adequate fuel flow. Always refer to the manufacturer's recommendations and guidelines to choose the right port sizes and fuel line configurations for your specific application.

The regulator's installation instructions

Aeromotive's fuel pressure regulator is a dual-purpose, universal regulator that can be used for EFI or Carbureted and street or strip applications. The base pressure can be adjusted to meet your needs, with a standard spring setting of 3 to 20 PSI, or a high-pressure spring setting of 20 to 60 PSI.

To install the regulator, follow these steps:

• Ensure that the output of the fuel rail is connected to the regulator's input.
• Block the unused input of the regulator.
• Connect the bottom port (the regulator's return) to the return line of the vehicle.
• Power the fuel pump to adjust the pressure.
• Connect the regulator's vacuum port to the throttle body.
• Set the initial pressure with the engine running and the vac line to the regulator removed and plugged.
• Ensure that the regulator is mounted securely using the included mounting bracket.
• Note that this product requires a return line to be installed from the bottom of the regulator to the top of the tank.

The regulator is compatible with gasoline, ethanol, alcohol, and diesel. It offers full flow and dynamic fuel pressure control, making it a reliable choice for your vehicle.

For further detailed instructions, refer to the Aeromotive website, where you can find specific installation instructions for your part number.

The regulator's warranty and return policy

The Aeromotive fuel pressure regulator comes with a 1-year warranty, starting from the original purchase date. This warranty is only valid for the original retail purchaser and requires authentic, dated proof of purchase. Aeromotive will only examine products with proper authorization and a Return Goods Authorization (RGA). The company will then determine whether the failure was due to a defect or abuse/improper installation/misapplication/alteration. The company will then decide whether to return, repair, or replace the product.

If the product is deemed defective, the buyer's exclusive remedy is limited to the sale price of the product. Aeromotive will not be liable for any incidental or consequential damages. The company also specifies that its fuel system components are not legal for sale or use on emission-controlled motor vehicles.

For warranty claims, customers can contact Aeromotive at 913-808-2376 and select option 3. Customers will need to have the part, proof of purchase, and a pen and paper when they call.

Regarding returns and replacements, Aeromotive accepts returns within 90 days of purchase. Prior authorization is required, and items must be unused, in their original packaging, and resaleable. Customers can call 913-808-2376 to initiate a return and obtain an RGA. Customers are responsible for return shipping costs and are advised to use a trackable shipping method. The refund will exclude initial shipping fees and may include a restocking fee of up to 15%. Refunds are typically processed within 5-10 days of return acceptance.

Frequently asked questions