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CONTACT SALES: +61 2 5500 7523

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Radium V2 FPD-R Fuel Pulse Dampener - 8AN ORB

库存量单位 20-0776
原价 $153.86 - 原价 $153.86
原价
$153.86
$153.86 - $153.86
现价 $153.86

V2 FPD: Even after tightened, the newest 8AN ORB dampers (20-0776 and 20-0777), will swivel permiting the vacuum port to be clocked 360 degrees.

 

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 DO I CHOOSE?

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 - 70psi (static)
  • FPD-XR base pressure requirement = 40 - 105psi (static)

Base pressure is the fuel pressure measured when the fuel pump is running WITHOUT a vacuum line connected to the regulator.

IMPORTANT: The ranges above are base static fuel pressures only. Any dynamic fuel pressure created by a rising-rate FPR outside of this range is acceptable, but only when the base "static" fuel pressure is set within these ranges and the vacuum/boost reference line is connected.

Example 1:

  • Vehicle: Mitsubishi EVO
  • OEM Base Static Fuel Pressure: 43.5psi
  • Boost Pressure: 30psi
  • Rising Rate Pressure Regulator? Yes
  • Can I use a FPD-R? Yes. Even though fuel pressure is 73.5psi at full boost, the FPD-R will work because the base static pressure was set within the 40-70psi requirement. However, the vacuum/boost reference line must be installed.
  • Can I use a FPD-XR? Yes. Also, the vacuum/boost reference line does not need to be installed since maximum fuel pressure does not exceed 105psi.

Example 2:

  • Vehicle: BMW E46 M3
  • OEM Base Static Fuel Pressure: 72.5psi
  • Boost Pressure: 20psi
  • Rising Rate Pressure Regulator? Yes
  • Can I use a FPD-R? No. Base static fuel pressure exceeds the 40-70psi requirement.
  • Can I use a FPD-XR? Yes. Also, the vacuum/boost reference line does not need to be installed since maximum fuel pressure does not exceed 105psi.

 

Features:

The anodized aluminum housing features two selectable threaded male fittings. The 8AN ORB version (right) seals using a Viton O-ring while the 3/8" NPT variation (left) seals with the tapered pipe threads.

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. Download the installation instructions for more info.

 

Included:

  • 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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Shipping Policy
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  • PRP assumes no responsibility for any work carried out, modifications made or parts supplied with regards to road use, as all our products are intended for track use only
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Refund requests will be reviewed case by case. Due to numerous factors including automatic & immediate 3rd party supplier purchase orders & merchant fees imposed on us, you might be liable to cover an unavoidable restocking/cancellation fee of ≥ 5%. Please review your purchase and consider contacting us for an ETA before placing an order. If your order is for a gearbox, specific turbocharger, engine build, manifold or something generally not in our extensive inventory, this restocking fee is based on the supplier and not dictated by PRP.

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Warranty Policy

  • Warranty is for a full refund or exchange provided the item was purchased through PRP or one its approved resellers or workshops.
  • Warranty is void if you tamper with products or bring them back in a different state to which they were sold to you.
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  • All Items/Products/Services purchased from Platinum Racing Products are to be installed by a qualified mechanic at an approved workshop and ALL warranty claims are dependent on proof of appropriate installation and verification of failure.
  • Modifying your vehicle is illegal in some states and territories, the customer acknowledges that it is their responsibility to abide by the law and take the appropriate measures to ensure that their vehicle is roadworthy.
  • Platinum Racing Products assumes no responsibility for any work carried out, modifications made or parts supplied with regards to road use. All our products are sold and intended for track use only.
  • Lifetime warranty refers to certain Platinum Racing Products branded components and generally does not include 3rd party suppliers and their parts. Manufacturer warranty applies to items including but not limited to alternators, turbochargers, electrical sensors, ECUs and associated parts, tyres, etc.
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