Radium Engineering Fuel Pulse Damper

$85.45

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Anodized Aluminum Housing; Includes Anodized and laser engraved aluminum top, R=range or XR=extra range, Anodized aluminum body with male threads, 8AN ORB or 3/8'' NPT, Stainless steel hardware, Rubber vacuum hose, 4mm ID, Vacuum hose Y-fitting

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Description

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.

What makes Radium FPDs unique?
Along with having the flexibilty 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.

What is the difference between FPD-R and FPD-XR?
The FPD-R (green top) is slightly shorter than the FPD-XR (black top) allowing it to be used in space-contrained applications.

Which Damper Should I Use?
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 - 45psi (static)
FPD-XR base pressure requirement = 43 - 78psi (static)

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Installation Guide
Describes how to install Radium Engineering's fuel pulse damper on

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Radium Engineering Fuel Pulse Damper
Anodized Aluminum Housing; Includes Anodized and laser engraved aluminum top, R=range or XR=extra range, Anodized aluminum body with male threads, 8AN ORB or 3/8'' NPT, Stainless steel hardware, Rubber vacuum hose, 4mm ID, Vacuum hose Y-fitting
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