Radium: Fuel Pump Hanger - EVO 7-8-9

OVERVIEW
The Radium Engineering fuel pump hanger allows the use of 1 or 2 aftermarket pumps in the stock Mitsubishi Evo 7-8-9 fuel tank.



The machined assembly drops-in the factory fuel tank replacing the OEM hold-down flange. A single 8AN male pump feed port and 6AN male return port simplify aftermarket -AN hose plumbing. However the preassembled adapter fittings are compatible with the OEM fuel lines.



The custom designed stainless electrical studs easily handle the high current demand that compact bulkhead connectors lack. These serviceable connections are properly sealed and impervious to all standard and exotic fuels. The low profile design keeps all wiring tucked nicely underneath the OEM cover plate. Nonconductive acorn nuts are provided to prevent any accidental short circuits. Furthermore, the high quality in-tank wiring is insulated with chemically resistant ETFE. Electrical hardware is included for the fuel pump(s) and OEM level sender.

One major issue with the OEM EVO 7-8-9 fuel pump hanger is the restrictive return port and venturi jet pump. 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. The Radium Engineering fuel pump hanger includes a venturi jet pump with a new integrated pressure-relief valve to minimize back pressure.



All returning fuel from the pressure regulator and crossover hose exit the jet pump keeping the OEM gas tank baffle full for starvation protection.

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.

IMPORTANT: This fuel hanger eliminates the fine-micron in-tank fuel filter of the OEM fuel pump hanger. It is highly recommended to use an aftermarket fine-micron (less than 10 micron) fuel filter on the feed line. The Radium fuel hanger plumbing kit (detailed below) is a good option.

FEATURES
-Anodized Aluminum Mounting Plate
-Venturi Jet Pump with Pressure Relief Valve
-8AN Male and OEM Compatible Pump Outlet Fittings
-6AN Male and OEM Compatible FPR Inlet Fittings
-Anodized Aluminum Dual Pump and Fuel Sensor Bracket
-Electrical Hardware for Fuel Pumps and OEM Sender
-Fluorosilicone Duckbill Return Valve
-Submersible Fuel Lines
-Stainless Steel Hardware and Clamps
-New Anti-rotation Electrical Terminals

PUMP SELECTION
This system is ONLY compatible with the following pumps:

20-1340
AEM 50-1220 (or other pumps with exact same form factor)
DW440

20-1342
Walbro F90000267
Walbro F90000274
Walbro F90000285
a.k.a. "Walbro 450"

- There will be enough components included with this option to use 1 or 2 fuel pumps. Depending on the setup, some parts will simply not be used.

20-1340 is shown below.



20-1342 is shown below.



NOTE: These kits eliminate the OEM hanger's "post" fuel pump filter. A low micron aftermarket fuel filter should be installed downstream to protect the injectors from debris. NOTE: the optional fuel hanger plumbing kits listed below include this necessary post pump filter.

PLUMBING KIT

20-0376-03 / 20-0376-05 FUEL HANGER PLUMBING KIT, EVO 7-8-9
The plumbing kits include everything required to connect the fuel hanger directly to an aftermarket fuel rail and FPR for both single and dual pump configurations. This includes a pre-made PTFE -8AN feed line with in-line filter from the hanger up to the engine bay and the kit re-uses the factory feed line as the regulator return line. The OEM return line is not reused (too small). This plumbing kit MUST be used with an aftermarket fuel rail and pressure regulator.



PTFE -8AN hoses attach to a Radium Engineering fuel filter that mounts underneath the vehicle using a specifically designed EVO 7-8-9 bolt-on bracket.



Depending on the kit selected (-03 or -05), the fuel filter will be assembled with 1 of 2 different elements.

Stock Images Used. Actual Product May Vary.