Radium Engineering Direct Mount Fuel Pulse Damper

Radium Engineering Direct Mount Fuel Pulse Dampers allows for proper fuel pulse damper performance even at elevated fuel pressures, and are very easy to install.

The anodized aluminium housing is also available in a 8AN ORB (3/4"-16 UNF threads) version which seals using a Viton O-ring, while the 3/8" NPT variation seals with the tapered pipe threads.

The difference between FPD-R and FPD-XR, is that the FPD-R is slightly shorter than the FPD-XR allowing it to be used in space-contained applications (see images).

The FPDs can be mounted at any possible angle including upside down. For best results, the damper should be mounted directly onto the fuel rail(s).

This product is safe for use with all fuel types including alcohol blends such as E85.

See full description.

P/N: 20-017

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£88.55

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Radium Engineering

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Product Description
Details

Radium Engineering Direct Mount Fuel Pulse Dampers allows for proper fuel pulse damper performance even at elevated fuel pressures, and are very easy to install.

The opening and closing of fuel injectors creates pressure pulses in the fuel rail which can lead to unstable fuel pressure. In order to achieve a safe and consistent rail pressure, a fuel pulse damper (FPD) is often necessary. The FPD's internal diaphragm will absorb oscillating pulses and stabilize fuel pressure. This correction can be measured throughout the RPM range and can often help idle surge, especially with high flow injectors. Furthermore, a fuel pulse damper can help solve erratic lean air/fuel ratio spikes, commonly experienced as "stumbling", that are difficult to tune out.

Along with having the flexibility of using common fittings, Radium Engineering FPD's use a vacuum/boost reference port which allows for proper fuel pulse damper performance even at elevated fuel pressures. This becomes essential for boosted systems that use a 1:1 rising rate fuel pressure regulator.

The anodized aluminium housing is also available in a 8AN ORB (3/4"-16 UNF threads) version which seals using a Viton O-ring, while the 3/8" NPT variation seals with the tapered pipe threads.

The difference between FPD-R and FPD-XR, is that the FPD-R is slightly shorter than the FPD-XR allowing it to be used in space-contained applications (see images).

The FPD-R (Fuel Pulse Damper-Range) and FPD-XR (Fuel Pulse Damper-Extra Range) both have unique base "static" fuel pressure requirements:

  • FPD-R base pressure requirement = 40 to 70PSI (static)
  • FPD-XR base pressure requirement = 40 to 120PSI (static)
  • Base pressure is the fuel pressure measured when the fuel pump is running WITHOUT a vacuum line connected to the regulator

The FPDs can be mounted at any possible angle including upside down. For best results, the damper should be mounted directly onto the fuel rail(s).

This product is safe for use with all fuel types including alcohol blends such as E85.

Radium Engineering Direct Mount Fuel Pulse Damper includes:

  • Anodized & Laser Engraved Aluminium Top, R=range or XR=extra range
  • 8AN ORB or 3/8" NPT Anodized Aluminium Body with Male Threads
  • Stainless Steel Hardware
  • 4mm ID Rubber Vacuum Hose
  • Vacuum Hose Y-fitting 
Additional Information
Additional Information
Compatibility Aeromotive High Flow In-Line Fuel Filter
Size No
Thread No
Type Fuel Pulse Damper (FPD)
Manufacturer Radium Engineering
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