Radium fuel pump hanger rally sport2/8/2024 ![]() A stand-alone surge tank is an excellent device for eliminating fuel starvation issues, but installation can be complex. Unstable pressure resulting in a lean fuel mixture can cause engine damage. Due to the saddle-bag style OEM fuel tank and insufficient baffling in late model Nissans, fuel slosh is common when driven aggressively. The Radium Engineering FHST (fuel hanger surge tank) add-on is the ultimate solution for fuel starvation issues. The surge tank can then be equipped with one or two fuel pumps to feed the engine. It is recommended to use a single pump hanger to feed the surge tank. This product is to be used with one of the fuel hangers above. Restriction-Free 8AN ORB Female Return Port Universal fuel pump wiring kits can be found HERE. It is recommended to upgrade OEM wiring to ensure the pumps are receiving full power and operating at their full potential.ģ. Single fuel pump installations can re-use the OEM fuel pump controller wiring.Ģ. Furthermore, the in-tank wiring is insulated with high quality chemically resistant ETFE.ġ. Enough studs are built in the top hat to accomodate brushless fuel pumps as well as the FHST add-on, described below.Įlectrical hardware is included for the fuel pump(s) and sensors. Non-conductive anodized aluminum acorn nuts are provided to prevent any accidental short circuiting. These serviceable connections are hermetically sealed and impervious to all standard and exotic fuels. custom designed stainless steel electrical studs easily handle the high current demand that compact multi-pin bulkhead connectors lack. Not sure which pumps to choose? CLICK HERE or email us. This system supports the following fuel pumps: This kit will have enough parts to run 1 or 2 fuel pumps and the user must supply their own compatible fuel pumps. Refer to the instructions above for more details. If it is important for fuel pressure to hold steady after the engine is shut down, install one of these CHECK VALVES somewhere in the fuel system.Īll kits come partially assembled with the final assembly performed by the technician during installation. Take this fuel loss into consideration when sizing the fuel pumps.Ģ. Depending on fuel pressure, the venturi jet pump will consume 15-45 LPH. When using aftermarket high-flow pumps this venturi jet pump creates a restriction in the fuel return, resulting in unwanted backpressure and unmanageable fuel pressure. Radium Engineering has redesigned the siphon system to completely eliminate this restriction but still effectively scavenge fuel the same as factory.ġ. The OEM system uses a venturi jet pump to transfer fuel from the passive side of the tank to the active (pump) side of the tank. The crossover port (center) does not need to be changed. The photo below shows -AN swivel adapters installed in the feed and return ports. (Note: Straight adapter fittings may also be used, but clearance with the access cover plate will not be possible) If using aftermarket -AN style hoses, low profile -AN swivel adapter fittings will be required and are sold separately. No extra fuel plumbing is required if using stock fuel lines. The pre-installed adapter fittings permit direct connections for all factory fuel line variations (SAE quick connect and hose barb). The threads on the return port are 8AN ORB (3/4"-16). The threads on the feed port are 10AN ORB (7/8"-14). The factory Nissan fuel level sender, low fuel switch, and fuel temperature (OBD-II only) are reused so full functionality is retained.Ī venturi jet pump is integrated into the top plate and provides means to draw fuel from the opposite side of the fuel tank. From there, they feed through polyamide nylon tubing to the top hat. The pump(s) are suspended down in the bottom of the tank, similar to the stock fuel hanger. Fuel pump options include Walbro (Ti Automotive) or AEM. ![]() It can be configured with 1 or 2 aftermarket fuel pumps to meet the fuel demands of various high performance engines. The Radium Engineering fuel pump hanger replaces the entire factory fuel pump assembly inside the Nissan fuel tank. Nissan R34 Skyline (All models/trims/RHD/LHD) Nissan R33 Skyline (All models/trims/RHD/LHD) Nissan S15 200SX (All models/trims/RHD/LHD) Nissan S15 Silvia (All models/trims/RHD/LHD) Nissan S14 240SX (All models/trims/RHD/LHD) Nissan S14 200SX (All models/trims/RHD/LHD) Nissan S14 Silvia (All models/trims/RHD/LHD) This product is compatible with the following vehicles:
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