![]() 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). This product is safe for use with all fuel types including alcohol blends such as E85. Like any fuel system part, the FPD kit should be kept away from areas with excessive heat. For best results, the damper should be plumbed as close to the fuel rail(s) as possible. Using the supplied M6 bolts/nuts, the FPD In-line kit can be mounted at any possible angle including upside down. These fittings seal to the billet housing using Viton O-rings. Depending on the size of the fuel feed hose used, there are 3 kits to choose from which include different male adapter fittings (AN6, -AN8, -AN10). The kit features an anodized aluminium housing with a large 0.69" center bore that uses two in-line inlet/outlet ports that are machined with 3/4"-16 UNF threads for AN8 ORB fittings. If not already, install the fuel pulse damper adapter into. ![]() This becomes essential for boosted systems that use a 1:1 rising rate fuel pressure regulator. This manual outlines the process for installing the Radium fuel rail kit into an FRS-/BRZ/86. Furthermore, a fuel pulse damper can help solve erratic lean air/fuel ratio spikes, commonly experienced as "stumbling", that are difficult to tune out.Īlong 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. Precision CNC machined from 6061 aluminum, this Radium Engineering Fuel Pulse Damper features a vacuum/boost reference port which allows for proper fuel pulse damper performance even at elevated pressure and can be mounted at any angle, including upside down. This correction can be measured throughout the RPM range and can often help idle surge, especially with high flow injectors. The FPD's internal diaphragm will absorb oscillating pulses and stabilize fuel pressure. In order to achieve a safe and consistent rail pressure, a fuel pulse damper (FPD) is often necessary. The opening and closing of fuel injectors creates pressure pulses in the fuel rail which can lead to unstable fuel pressure. This permits an full OEM replacement with nothing else required.Radium Engineering In-Line Fuel Pulse Dampers allows for proper fuel pulse damper performance even at elevated fuel pressures, and are very easy to install. ![]() No fittings are included as shown below.Ģ0-0012-PK Fuel Rail Plumbing, Toyota 2ZZ-GEĪs shown below, this kit includes the fuel rail plumbing components found in 20-0012-00. The OEM fuel pulse damper bracket and associated screws are included as well. This option includes the fuel rail and mounting hardware. Supercharged Lotus intercooler boss remains functional Easily converted to a pressure regulated return system Works with factory and aftermarket injectors Mounted on the fuel rail is the Radium Direct Mount Regulator (DMR) and a Radium FPD-R fuel pulse damper. Stealth laser etched logos pre anodizing Anodized surface finish for corrosion resistance The fuel rail was designed to clear the intercooler mounting boss (Exige-S/2-Eleven only) as best as possible without sacrificing fuel flow. This helps alleviate all high frequency pressure fluctuations. The center port accommodates the 2ZZ-GE fuel pulse damper (not included) from the OEM fuel rail. Apply PTFE thread sealant paste to the provided plug threads and install into the 1/8' NPT port. These ports use positive o-ring seals instead of tapered pipe threads which commonly damage aluminum threads and lead to fuel leaks. Both ends of the rail are tapped to 8AN ORB female threads. This high volume fuel rail works on all 2ZZ-GE engines. To verify clearance, the dimensional drawings on the product pages can be used as a reference guide. ![]() Ample space around the fuel rail port(s) is necessary for larger accessories such as fuel pressure regulators, fuel pressure gauges, and fuel pulse dampers. This Radium Engineering kit completely replaces the OEM fuel pulse damper (below) found on the JZA80 Supra 2JZ-GTE engine. A center port for the factory fuel pulse damper is also included.ĨAN ORB Adapter Fittings can be found HERE.ĨAN ORB Direct Mount Regulators can be found HERE.įuel Pressure Gauge Adapters can be found HERE.Īppropriate fittings must be selected based on the specific application. The end ports of this fuel rail are tapped for 8AN ORB.
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