A SAE quick connect male adapter fitting is preinstalled for connecting to the OEM feed line.
This port is thread tapped for 8AN ORB (3/4"-16). The duckbill valve prevents back flow and reduces fuel spray noise.Īs described below, there are 3 external ports: This transfers fuel from the passive side of the OEM fuel tank to the active side where the pump(s) reside. This unique design creates suction without restricting the return line.įurthermore, all returning fuel from the FPR return and the crossover hose enter the collector box through a one-way duckbill valve keeping it full. The included a venturi jet pump features an integrated PRV (pressure relief valve). Each fill valve flows 355LPH (710LPH total). Furthermore, there are two 1-way fill valves on the collector box thats allow fuel in but not out. To help prevent starvation, the anodized aluminum collector box keeps fuel trapped around the pumps. No permanent modifications are required making installation simple.
The machined assembly mounts in the factory fuel tank using the OEM gasket and replaces the OEM hold-down flange. The system is safe to use with alternative fuels such as E85. The Radium fuel pump hanger for late model Subaru vehicles replaces the OEM unit and allows the use of 1 or 2 high-flow aftermarket fuel pumps. The fuel pressure regulator that is normally inside the OEM fuel unit is discarded. To adapt the OEM fuel level sensor to the Radium fuel pump hanger, 20-0850 FUEL LEVEL SENDER ADAPTER, FA20 is required.Ģ. The OEM fuel tanks may be the same, but the OEM fuel units are completely different. Select qty1 for single pump applications and qty2 for dual pump applications.The 2 vehicles listed above require extra components described below.ġ. Fuel pump wiring kits can be purchased HERE.
RADIUM FUEL PUMP HANGERS UPGRADE
Single pump applications can reuse the OEM fuel pump controller wiring, but it is recommended to upgrade the OEM wiring as these high flow fuel pumps draw additional current requiring larger gauge wire.
RADIUM FUEL PUMP HANGERS FULL
The Radium fuel pump hanger includes Radium's own proprietary venturi jet pump with interchangeable orifices to minimize back pressure.Īll returning fuel from the pressure regulator and crossover hose exit the jet pump keeping the OEM gas tank baffle full for starvation protection. When using aftermarket high-flow fuel pumps, the OEM jet pump becomes too restrictive creating unwanted backpressure in the regulator return line causing excessive fuel rail pressure. One major issues with the OEM EVO 8-9 fuel pump hanger is the restrictive return port and venturi jet pump. However adapter fittings are also included to reuse the OEM fuel lines (if needed).Įlectrical hardware is included for the fuel pump(s) and OEM level sender. A single 8AN male pump feed port and 6AN male return port simplify aftermarket -AN hose plumbing. The machined assembly drops-in the factory fuel tank replacing the OEM hold-down flange. This system is ONLY compatible with "Walbro 450" pumps (Ti Automotive F90000267 and F90000274). The Radium Engineering fuel pump hanger allows the use of 1 or 2 aftermarket pumps in the stock Mitsubishi Evo 8-9 fuel tank. Radium Fuel Hanger EVO 8-9 Pumps Not Included.
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