RADIUM FST
A fuel surge tank (FST) is designed to prevent fuel starvation to the engine on vehicles with inadequate fuel tank baffling. The FST fuel pump(s) directly feed the fuel rail(s). The volume of fuel inside the surge tank acts as a buffer to always keep the FST pump supplied with fuel. This volume is maintained by the main fuel tank's pump as well as the fuel returning from the fuel pressure regulator. Excess fuel in the surge tank is returned back to the vehicle's main fuel tank.
The surge tank also provides a quick and easy way to upgade any standard fuel system without the need to modify the stock fuel tank or pump. This is an excellent fueling solution for vehicles installing large fuel demand power upgrades such as forced induction.
The FST can be configured with all 39mm fuel pumps from many leading manufacturers. Note: The FST is available in dual-pump configurations. If the pump is purchased as part of the FST, the surge tank will come fully assembled and will be pressure tested for leaks and ready to be installed. If the pump is purchased elsewhere, some assembly will be required.
Great for engine bay mounting to negate the LVVTA requirements for a boot-mounted pump.
Click here for mounting brackets.
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All Fuel Surge Tanks Include:
-Extruded and Machined Aluminum 1.5 Liter Canister
-Bright Dipped Anodized and Laser Engraved Housing
-Removeable O-Ring Sealed Billet Aluminum Caps
-6AN O-Ring Fittings (8AN can be purchased separately)
-Circular Bulkhead Electrical Connector with 24" Flying Leads
-Corrosive Resistant Stainless Steel Hardware
All pumps mount internally using gasoline, ethanol, and methanol resistant wiring. For dual-pump configurations, each pump is wired independently. All hoses are submersible and E85 safe. The pump outlet fitting(s) are available in -6AN male size only (shown in green).
The other ports can be adapted to other -AN sizes using adapters (sold separately).
How to Select Your Fuel Surge Tank Configuration
Determine if your application will require one or two pumps. This is based on determining how much fuel flow the engine will need. Next, decide if the pump(s) will be purchased through Radium Engineering (pump included) or elsewhere (pump not included). Use the drop-down menu to make your selection. NOTE: When pump(s) are included, the FST comes fully asssembled and is ready to be installed in the vehicle. When purchasing without pumps, use the included instructions to aid in the assembly. Next, select the fuel pump model that will be used from the options shown. If you are unsure which pump will be best for the application, check the FEATURES TAB for an unbiased performance test of some of the fuel pumps we offer.
Ti Automotive E5LM Brushless Pump
This FST requires a Ti Automotive E5LM brushless pump and fuel controller to operate.
NOTE: This pump does not have an integrated check valve.
