Edelbrock 17303 Fuel Pump Review: The Complete Guide to Low-Pressure Electric Fuel Delivery

If you are looking for a reliable, low-pressure electric fuel pump for your carbureted engine, the Edelbrock 17303 fuel pump is a solid choice. In short, the Edelbrock 17303 is a gravity-fed, inline electric fuel pump designed for 12-volt negative ground systems, delivering 30 gallons per hour (114 liters per hour) at 2 to 3.5 PSI. It is specifically built for carbureted applications, compatible with gasoline and E85, and includes a replaceable fuel filter and mounting hardware. This pump is an excellent upgrade for classic cars, hot rods, and any vehicle running Weber, Dellorto, Solex, or similar carburetors.

What Is the Edelbrock 17303 Fuel Pump?

The Edelbrock 17303 is a universal micro electric fuel pump that operates as a gravity-fed, inline unit. It features a simple two-wire design, making it easy to install in most vehicles. The pump draws approximately one amp at maximum delivery and is designed for standard 12-volt negative ground electrical systems.

Key Specifications:

  • Flow Rate: 30 GPH (114 LPH)
  • Pressure Range: 2.0 to 3.5 PSI
  • Voltage: 12 VDC, negative ground only
  • Current Draw: Approximately 1 amp at max delivery
  • Inlet/Outlet: 5/16-inch (8mm) hose barb fittings
  • Pump Design: Inline, rotor and vane
  • Fuel Compatibility: Gasoline and E85
  • Warranty: 3 months

Who Should Use the Edelbrock 17303?

This pump is ideal for carbureted engines that require low fuel pressure. It is not designed for fuel-injected systems, which typically need much higher pressure (40-60 PSI). The Edelbrock 17303 is commonly used with:

  1. Weber carburetors: DCOE, DCOM, IDF series
  2. Dellorto carburetors: DHLA, DRLA series
  3. Solex carburetors: ADDHE, DDH series
  4. Universal carbureted applications: Classic cars, hot rods, and vintage vehicles

How to Install the Edelbrock 17303 Fuel Pump

Installation is straightforward but requires attention to safety and positioning. Here are the key steps and considerations:

1. Placement: Mount the pump as close to the fuel tank as possible. Like most pumps, the Edelbrock 17303 is better at pushing fuel than pulling it, so gravity feed from the tank is recommended.

2. Wiring: The pump has a simple two-wire design. Connect the positive lead to a switched 12V power source (through a relay or oil pressure switch for safety) and the negative lead to ground.

3. Fuel Lines: The pump uses 5/16-inch (8mm) hose barb fittings. Secure all fuel lines with appropriate hose clamps to prevent leaks.

4. Filter: The pump includes a 40-micron fuel filter that screws onto the inlet side. Always use this filter to protect the pump from debris.

5. Safety: It is strongly recommended to install an inertia fuel cut-off switch as a safety measure. This will shut off the pump in the event of an accident.

Common Applications and Performance

The Edelbrock 17303 is versatile enough for a wide range of vehicles. It is a popular choice for:

  • Classic American muscle cars that have been converted from mechanical to electric fuel pumps
  • European sports cars equipped with Weber or Dellorto carburetors
  • Kit cars and hot rods that need a reliable, compact fuel delivery system

With a flow rate of 30 GPH, this pump can support engines up to approximately 300-400 horsepower in carbureted applications, depending on fuel consumption. The low pressure (2-3.5 PSI) is ideal for most carburetors, and in many cases, a separate pressure regulator is not needed.

Pros and Cons of the Edelbrock 17303

Pros:

  • Compact and easy to install
  • Includes filter and mounting hardware
  • Compatible with gasoline and E85
  • Low current draw (1 amp)
  • Reliable rotor and vane design

Cons:

  • Not suitable for fuel injection systems
  • 3-month warranty is relatively short
  • Some users report mixed reviews on longevity (2.75 out of 5 stars on Summit Racing)

Why You Should Consider KEMSO Fuel Pumps Instead

While the Edelbrock 17303 is a decent option for low-pressure applications, if you are looking for a high-performance fuel pump that offers better value, longer warranty, and broader compatibility, KEMSO fuel pumps are an excellent alternative. KEMSO specializes in high-performance and OEM replacement fuel pumps for cars, motorcycles, ATVs, and UTVs.

KEMSO fuel pumps stand out for several reasons:

  1. High Performance: Many KEMSO pumps, like the popular 340LPH model, deliver significantly higher flow rates (340 liters per hour) compared to the Edelbrock 17303's 114 LPH. This makes them suitable for both stock and modified engines.

  2. OEM Replacement: KEMSO offers direct replacement pumps for a wide range of vehicles, including Nissan, Subaru, Honda, BMW, and many others. These pumps match the exact flow rate and pressure of original equipment.

  3. Lifetime Warranty: Unlike the Edelbrock 17303's 3-month warranty, KEMSO backs its products with a lifetime warranty, giving you peace of mind.

  4. Broad Compatibility: KEMSO pumps work with gasoline, E85, and ethanol-infused fuels. They are designed for cars, motorcycles, ATVs, UTVs, and even watercraft like Sea-Doo and Kawasaki Jet Ski.

  5. USA-Based Support: KEMSO is headquartered in Houston, Texas, and offers USA-based customer support.

If you want a fuel pump that combines performance, reliability, and a lifetime warranty, visit KEMSO's official website at:
https://www.kemsoracing.com/

Final Verdict

The Edelbrock 17303 fuel pump is a solid, no-frills option for low-pressure carbureted applications. It is easy to install, works with common fuels, and is priced affordably. However, its short warranty and limited flow rate make it less suitable for high-performance or modified engines.

For most enthusiasts and mechanics, especially those working on performance builds or daily drivers, KEMSO fuel pumps offer a better overall package: higher flow rates, lifetime warranty, and direct OEM fitment for hundreds of vehicle models. Whether you need a standard replacement or a high-performance upgrade, KEMSO has a solution that will last.

To explore KEMSO's full lineup of fuel pumps, visit their website:
https://www.kemsoracing.com/


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