The complete EVIL ENERGY 12V Electric Fuel Pump for Carb kit, including the red and black pump, red fittings, mounting hardware, and packaging.
[345LPH] High performance specs for the EVIL ENERGY 12V Electric Fuel Pump for Carb, showing a 13 PSI closing pressure and a test flow of 345 LPH at 9 PSI.
[370LPH] Technical specifications chart for the EVIL ENERGY 12V Electric Fuel Pump for Carb, detailing its 14 PSI closing pressure and a max test flow of 370 LPH.
Installation diagram for the EVIL ENERGY 12V Electric Fuel Pump for Carb, showing the correct placement of a 100-micron pre-filter, a 40-micron post-filter, and a fuel pressure regulator.
Fuel compatibility guide for the EVIL ENERGY 12V Electric Fuel Pump for Carb, indicating it fits gasoline and diesel, and includes a warning against using ethanol or methanol fuels.
Installation tip for the EVIL ENERGY 12V Electric Fuel Pump for Carb, showing it mounted below the fuel tank to ensure a proper gravity-fed fuel supply.

EVIL ENERGY 320-370lph/90GPH External Electric Fuel Pump 12V for Carburetor - Low Pressure Compatible for Carburetor Replacement/Modified Vehicles

$79.99
$79.99
$79.99
Flow Rate: 370LPH
SKU: EVFS232500022000
Product Type: Fuel Pumps
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The complete EVIL ENERGY 12V Electric Fuel Pump for Carb kit, including the red and black pump, red fittings, mounting hardware, and packaging.

EVIL ENERGY 320-370lph/90GPH External Electric Fuel Pump 12V for Carburetor - Low Pressure Compatible for Carburetor Replacement/Modified Vehicles

$79.99
$79.99

EVIL ENERGY 320-370lph/90GPH External Electric Fuel Pump 12V for Carburetor - Low Pressure Compatible for Carburetor Replacement/Modified Vehicles

$79.99
Flow Rate: 370LPH

Installation Location External fuel pump
Structural Category Electric fuel pump
Structural Sub - Category Gear-type electric fuel pump
Voltage 12V-13.5V
Closed Pressure 14PSI
Flow Rate

91.1-97.8GPH/345-370LPH(10-11PSI&5.6-6.0A)

84.5-91.1GPH/320-345LPH(7-9PSI&5.5-6.3A)

Temperature Range -68°-194°F
Max Power 88W
Material Aluminum
Gross Weight 1.4kg
Packaging Dimensions 17.5*14.5*10cm
Compatible Media For gasoline and diesel (oil-gas separation needed)
Applicable Vehicle Models Suitable for carburetor systems.
Package Details

1* 12V Fuel Pump for Carburetor 

2*3/8 NPSF to 5/16 Barb(Recommended Hose: 5/16")

2*Insulated terminals

2*Nuts

2*Washers 

The EVIL ENERGY 12V Electric Fuel Pump for Carb, an external low-pressure fuel pump kit, displayed in front of a classic performance car.Key Benefits of Evil Energy Best Electric Fuel Pump for Carburetor

Unleash the consistent, reliable fuel flow your carbureted engine craves with the EVIL ENERGY Fuel Pump for Carb. Engineered specifically for classic cars, hot rods, and modified vehicles, this pump delivers the high-volume performance the low-pressure carburetors demand, making it the perfect upgrade for a robust and responsive fuel system.

This Evil Energy Fuel Pump for Carb perfectly balances low pressure and high flow for 12V carburetor systems. It provides a safe 14 PSI to prevent flooding, while its powerful 345-370 LPH flow fuels your engine. Built from durable aluminum, this pump is made to work reliably in any weather.

Carb Fuel Pump vs. EFI Fuel Pump: Which One Should You Buy?

Choosing an electric fuel pump for carburetor systems instead of an EFI fuel pump mainly depends on the required fuel pressure and the engine’s fuel-delivery system. An electric fuel pump for carb applications provides low-pressure fuel delivery, while an EFI pump generates the substantially higher pressure required by electronic fuel injectors.

Installing a high-pressure electric fuel pump on carburetor-equipped vehicles without the correct regulator can overpower the carburetor’s needle and seat, causing flooding, excessive pressure or fuel leakage. For a vehicle that will remain carbureted, a purpose-built electric carb fuel pump is generally the simpler and more cost-effective choice. A typical carburetor fuel pump system requires approximately 4–7 PSI at the carburetor, while many port-injection and throttle-body EFI systems operate at approximately 40–60 PSI or higher.

Comparison

Carb fuel pump

EFI fuel pump

Primary application

Carbureted engines

Electronic fuel-injection systems

Typical required pressure

Approximately 4–7 PSI at the carburetor

Commonly 40–60 PSI or higher

Pressure regulation

Required when pump output exceeds the carburetor specification

Normally required or integrated into the pump module

Return line

Depends on the regulator design

Commonly required unless using a regulated returnless system

Filtration

Commonly a 100-micron pre-filter and 40-micron post-filter

Commonly a coarse pre-filter and finer post-filter

Installation complexity

Lower

Higher

Best purchasing situation

Dedicated carbureted vehicle

Existing or planned EFI system

Choose a fuel pump for carburetor systems when the vehicle currently uses a carburetor and no EFI conversion is planned. The best electric fuel pump for carburetor applications should match the carburetor’s specified pressure, engine fuel demand, operating voltage and intended fuel type.

A 12 volt electric fuel pump for carburetor systems may produce more pressure than the carburetor can accept. Pairing it with an adjustable carburetor fuel pressure regulator allows the final pressure to be set according to the carburetor manufacturer’s requirements. Compatible 100-micron and 40-micron inline fuel filters can help protect both the pump and carburetor from contamination.

For a dedicated carbureted build, select a low pressure fuel pump for carb engines or consider a complete carbureted fuel-system bundle containing a matched pump, regulator and filter.

If an EFI conversion is planned, purchasing an EFI pump, filter and regulator kit may reduce the need to replace the fuel-delivery system later. However, a high-pressure EFI pump should not be connected directly to a carburetor, and a low-pressure carb pump cannot provide the pressure required by EFI.

Before purchasing an electric fuel pump for a carburetor, confirm:

  • The engine uses a carburetor rather than EFI.

  • The required operating pressure falls within the regulator’s adjustment range.

  • The pump supplies sufficient flow at the intended pressure and voltage.

  • The fuel type is compatible with the pump, filters, hoses and seals.

  • The selected package contains the required fittings and mounting hardware.

Complete Carburetor Fuel Pump Accessories for Direct Installation

Designed for a straightforward installation, the supplied pump, fittings, seals and mounting hardware support a complete electric fuel pump for carburetor setup. They provide a practical replacement or upgrade solution for electric fuel pump for carb applications.

Complete kit contents for the EVIL ENERGY 12V Electric Fuel Pump for Carb, including the pump, 3/8 NPSF to 5/16 fittings, gaskets, and mounting hardware.

Core Fuel Pump Assembly

At the heart of the package is a 12V external pump suitable for anyone installing an electric fuel pump on carburetor-equipped vehicles. This electric carb fuel pump features a red mounting bracket and 3/8-inch NPTF female inlet and outlet ports.

The carburetor fuel pump transfers fuel from the tank to the carburetor while maintaining the low-pressure delivery required by compatible carbureted engines.

Quantity: 1 × fuel pump

Fuel Line Connections and Sealing

Two 3/8-inch NPTF to 5/16-inch hose-barb fittings connect the carb fuel pump to commonly used 5/16-inch fuel hoses. One fitting attaches to the inlet, while the other attaches to the outlet.

Two matching gaskets support leak-resistant connections throughout the fuel pump for carburetor installation. Reliable sealing is essential even when using the best electric fuel pump for carburetor applications.

Supplied components:

  • 2 × 3/8-inch NPTF to 5/16-inch fittings

  • 2 × gaskets

Secure Mounting Hardware

Two screws and two matching nuts secure the red bracket and keep the 12 volt electric fuel pump for carburetor systems firmly mounted.

Keeping the low pressure fuel pump for carb engines stable helps reduce vibration and movement during vehicle operation. Mount it on a strong metal surface near the fuel tank and away from exhaust components, moving parts and heavy road debris.

Supplied components:

  • 2 × screws

  • 2 × nuts

Protection During Shipping and Storage

Two orange caps protect the inlet and outlet from dust and debris before installation.

Remove both caps before connecting or operating the electric fuel pump for a carburetor. They are protective packaging components and must not remain on the pump during vehicle installation.

Quantity: 2 × protective caps

Fuel hoses, filters, clamps, wiring, fuse, relay and fuel-pressure regulator may need to be purchased separately.

How to Install an Electric Fuel Pump for a Carburetor

Installing an electric fuel pump for carburetor applications correctly helps maintain stable fuel delivery and protects the pump from contamination. A properly positioned electric fuel pump for carb engines can also reduce priming problems and inconsistent fuel pressure.

EVIL ENERGY 12V carburetor fuel pump installation diagram, fuel routing schematic showing fuel tank, 100-micron pre-fuel filter, electric fuel pump, 40-micron post-fuel filter, fuel pressure regulator and carburetor, gray background technical illustration

1. Select the mounting position

When installing an electric fuel pump on carburetor-equipped vehicles, mount it close to the fuel tank or fuel cell. Whenever possible, position the electric carb fuel pump below the lowest fuel level so fuel can flow naturally toward the pump.

2. Install the pre-filter

Install a 100-micron pre-filter between the fuel tank and the carburetor fuel pump inlet. This filter captures larger contaminants before they can enter and damage the carb fuel pump.

3. Install the post-filter

Place a 40-micron post-fuel filter between the outlet of the fuel pump for carburetor systems and the carburetor. Make sure the flow arrows on the pump and both filters point in the correct direction.

4. Connect the pressure regulator

The best electric fuel pump for carburetor applications should match the fuel-pressure requirements of the carburetor. For the return-style system shown in the diagram, fuel passes through the carburetor fuel line before reaching the bypass fuel pressure regulator. Excess fuel is then returned safely to the fuel tank.

5. Inspect and adjust the system

Connect the 12 volt electric fuel pump for carburetor applications through a correctly rated fuse and relay. Use fuel-compatible hoses, fittings and clamps throughout the installation.

Installation tip for the EVIL ENERGY 12V Electric Fuel Pump for Carb, showing it mounted below the fuel tank to ensure a proper gravity-fed fuel supply.

Before operating the low pressure fuel pump for carb, make sure every connection is secure. After installing an electric fuel pump for a carburetor, complete the following checks:

  • Prime the fuel system.
  • Check every connection for leaks.
  • Confirm that the pump and filter arrows follow the fuel-flow direction.
  • Start the engine and monitor the fuel pressure.
  • Adjust the regulator according to the carburetor manufacturer’s pressure specification.

Brand Summary

Policy Details
Cancellation Policy Orders can be canceled within 48 hours of placement. Refund processed in 3-5 business days.
Returns Policy Returns accepted within 180 days. Full refund within 90 days; 15% fee for 90-180 days.
Non-Returnable Items Only regular-priced items are eligible for refunds; sale items are non-refundable.
Refund Processing If no refund received, check your bank/credit card. For ongoing issues, contact support@ievilenergy.com.

Return Reasons

  1. Quality Issues: Provide photos/videos; we cover return shipping.
  2. Wrong Item Ordered: Buyer covers return shipping; email within 30 days.
  3. Change of Mind: Buyer covers return shipping; email within 30 days.
  4. Shipping Damage: Inspect packages; do not sign for damaged items.
  5. Incorrect Item Shipped: Contact within 7 days.

Price Protection Policy

Effective from August 25, 2024. Price drops within 7 days of purchase can be claimed.

Disclaimer

EVIL ENERGY reserves the right to interpret, modify, or terminate this policy in accordance with applicable laws and regulations.

If you need further information or assistance, feel free to ask!

Q: Which fuel pump is right for a carbureted engine?

A: The correct electric fuel pump for carburetor applications must match the carburetor’s required pressure, engine fuel demand, operating voltage and fuel type. When comparing products listed as an electric fuel pump for carb, check their flow at the intended pressure instead of relying only on the maximum LPH rating. This pump is designed for carbureted systems, not EFI.

Q: Is this an in-tank or external fuel pump?

A: This is an external pump and must not be submerged in fuel. When installing an electric fuel pump on carburetor-equipped vehicles, position it close to the fuel tank and at or below the lowest fuel level whenever possible. Secure the electric carb fuel pump to a solid frame location and keep it away from exhaust heat, moving parts and road debris.

Q: Which fuel filters should be installed?

A: Install a 100-micron pre-filter and 40-micron post-filter. Place the pre-filter between the tank and pump inlet, and install the post-filter between the pump outlet and carburetor. Follow the flow arrows and clean or replace restricted elements when necessary.

Q: What is the pressure output, and do I need a regulator?

A: The 345 LPH version of this carburetor fuel pump has a published closed pressure of 13 PSI, while the 370 LPH version reaches 14 PSI. Closed pressure is not the recommended carburetor operating pressure. Because many carburetors require approximately 4–7 PSI, a compatible carburetor fuel pressure regulator is strongly recommended.

Q: Does the fuel system require a return line?

A: A carb fuel pump does not automatically require a return line. A deadhead regulator operates without one, while a bypass regulator must return excess fuel to the tank. A bypass system requires more plumbing but can provide steadier pressure and cooler circulating fuel. Always follow the regulator manufacturer’s specified layout.

Q: Which flow-rate version should I choose?

A: When selecting a fuel pump for carburetor use, compare delivered flow at the intended pressure and available voltage:

  • The 345 LPH version delivers a published 320–345 LPH at 7–9 PSI.
  • The 370 LPH version delivers a published 345–370 LPH at 10–11 PSI.

The best electric fuel pump for carburetor applications is the version that meets the engine’s fuel demand without unnecessary excess capacity. Do not estimate horsepower support from maximum flow alone.

Q: What voltage and fuel-line size does the pump require?

A: This 12 volt electric fuel pump for carburetor applications operates at 12–13.5V DC. Use a correctly rated fuse, relay, wire and ground connection. An oil-pressure or inertia safety switch is also recommended so the pump stops if the engine stalls.

The supplied adapters convert the 3/8-inch NPSF ports to 5/16-inch hose-barb connections. Use fuel-rated 5/16-inch I.D. hose. Additional clamps, filters or adapters may be required for some installations.

Q: Can the this carb fuel pump be used with gasoline or diesel?

A: The pump’s published compatible media are gasoline and diesel. Diesel compatibility refers to the pump’s liquid-contacting components; it does not make the product suitable as a high-pressure diesel injection pump. Do not use E85, ethanol or methanol unless compatibility is explicitly confirmed for the selected version.

Q: What common problems or disadvantages of low pressure carb fuel pump should I consider?

A: A low pressure fuel pump for carb applications requires additional wiring and may require a regulator, filters and safety switch. External mounting can also make pump noise more noticeable.

Common problems include:

  • Flooding caused by excessive pressure.
  • Fuel starvation caused by restricted filters or lines.
  • Loud operation caused by poor mounting or inlet restriction.
  • Intermittent operation caused by wiring, relay or ground faults.
  • Fuel leaks caused by incorrect hoses, fittings or clamps.

Q: How can I tell whether the pump is working correctly?

A: After installing an electric fuel pump for a carburetor, briefly switch on the system and listen for normal operation. Use a fuel-pressure gauge at the carburetor inlet to verify stable pressure at idle and under load. Also check the operating voltage, inspect every connection for leaks and confirm that the pump stops when the engine shuts down.

Q: How long does an electric carburetor fuel pump last?

A: As an industry reference, established OE fuel pumps are endurance-tested for approximately 2,500–6,000 operating hours. This is equivalent to about 3.4–8.2 years when used two hours per day, but it is not a guaranteed rating for this product.

arburetor fuel pump life can be shortened by clogged filters, low voltage, dry running, excessive heat or incorrect mounting. Inspect the pump if fuel pressure decreases, operation becomes unusually loud or the engine begins losing fuel under load.

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