Radium Engineering Fuel Hanger Surge Tank Nissan R32 GT-R (Walbro F90000274) 20-0742-00 For Sale
Description
Fitment Information
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Nissan R32 Skyline GT-R
- For customers looking for a fuel pump hanger for the non-GTR R32 Skyline.
- This system supports the following fuel pumps (make sure the correct hanger version is selected to match the pumps used):
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Walbro F90000267 E85
- Walbro F90000274 E85
- Walbro F90000285 E85
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Drop-In Installation
- Anodized Aluminum Construction
- Merged 8AN ORB Female Pump-Out Port
- 8AN ORB Female Return Port
- Permits up to 4 Pumps TotalÂ
- Compatible with up to 3 Brushless E5LM Pumps
- High Current Electrical Hardware
- Stainless Steel Hardware and Clamps
- Gasoline, Methanol, and E85 Compliant
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The surge tank system works by keeping fuel trapped around the pump (or pumps) that feed the engine. This ensures that fuel starvation will not occur and the supply of fuel to the engine will remain steady under all driving conditions.Â
What keeps the surge tank full? The FST pump(s) are supplied with fuel from 3 different sources: the high flow (low pressure) lift pump, the fuel pressure regulator (FPR) return, and the two integrated 1-way fill valves. All of these work together to keep the surge tank full of fuel at all times.- A stainless steel collector box (below) is provided that secures to the fuel tank floor. The sensors and lift pump attach to this box assembly. The collector box features a 1-way trap door to control slosh and prevent lift pump starvation.
- The lift pump sends fuel into the bottom of the surge tank through an SAE quick connect ftting (below) which makes assembly easy. Also shown are the two one-way flapper valves that let fuel in but not out.
Once the surge tank is full, excess fuel overflows back into the main tank.- A fuel sock filter is included for the lift pump. For the surge tank assembly, fuel is drawn in through the mesh filter located at the bottom of the assembly. As shown below, fuel cannot pass between the 3 independent filtration chambers (A, B, C). If less than 3 pumps are installed, the empty port does NOT need to blocked off.
- The preinstalled barb fittings permit direct connections to the factory fuel hoses. No extra fuel plumbing is required.
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All kits come partially assembled with the final assembly performed by the technician during installation. There will be enough parts to run 1, 2, or 3 surge tank pumps and 1 lift pump. A lift pump is required in all installations.
- NOTES:
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Fuel pumps are sold separately.
- A lift pump must also be purchased.
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Bulkheads:
- The custom designed stainless steel electrical studs easily handle the high current demand that compact multi-pin bulkhead connectors lack. These serviceable connections are hermetically sealed and impervious to all standard and exotic fuels. Non-conductive anodized aluminum acorn nuts are provided to prevent any accidental short circuiting. Enough studs are built in the top hat to accomodate the lift pump as well as 3 surge pumps (including brushless).
- External Wiring:
Because the fuel lift pump supplying the FHST (in the original pump location) will now operate at very low pressure (high flow), the OEM external fuel pump wiring will be sufficient for the lift pump.
High current fuel pump wiring is provided for installing one FHST pump (1 relay, 1 fuse, and all associated wiring and hardware). NOTE: To wire in additional FHST pumps, extra fuses and relays are required. Consider purchasing Radium 17-0031 DIY Wiring Kit for each additional pump.- Sensors:
The factory fuel level sensor is integrated into the OEM sender so a replacement fuel level sensor is provided. This new OEM Nissan sensor has the correct resistance range to work the gauge cluster properly. The original low fuel switch is reused.Chemical Compatibility:
All in-tank wiring is insulated with chemically resistant ETFE. Electrical hardware is included for the fuel pump(s) and sensors.- Pumps not Included
- Radium Universal Fuel Filter (Choose -03 Stainless mesh or -05 Microglass filtration element)
- 8AN Fuel Filter Adapter Fittings
- Billet Aluminum Vehicle Specific Filter Mount
- 8AN and 6AN PushLok Hose Ends
- 8AN Fuel Feed Hose
- 6AN Fuel Return Hose
- Fuel Brake Line Retainers and Brackets
- Stainless Steel Hardware
Product Description
The Radium Engineering FHST (fuel hanger surge tank) is the ultimate solution for fuel starvation issues in the Nissan Z34 chassis. Due to the saddle-bag style OEM fuel tank and insufficient baffling, fuel starvation is common when the vehicle is driven aggressively, such as on a track. This results in unstable fuel pressure and possible engine damage from running too lean. A stand-alone surge tank is an excellent device for eliminating fuel starvation issues. But installing a stand-alone FST is difficult in the 370Z due to the open-cabin design, and lack of a firewall between the driver and the rear of the vehicle. So Radium Engineering chose to create a fully functional fuel surge tank INSIDE the OEM tank.
The Radium FHST can be used with 1 or 2 aftermarket pumps and supplies 1:1 regulated fuel to the engine. No grinding, bending, or modification of the vehicle s sheet metal is required. Furthermore the system is compatible with alternative fuels such as E85.
What s Included?Â
ELECTRICAL
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Bulkheads:
FUEL PUMP INFORMATION
PLUMBING
FUEL FILTRATION
HOW FUEL SURGE TANKS WORKS
Specifications
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Drop-In Installation
Additional Information
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