No additional fuel pressure regulator is required. The side port is the regulated pressure output and is plumbed directly to the fuel rail(s). If the pump is purchased elsewhere, some assembly will be required. If the pump is purchased as part of the FST-R, the surge tank will come fully assembled and will be pressure tested for leaks and ready to be installed. Note: The FST-R is not available in dual-pump configurations. The FST-R can be configured with all 39mm fuel pumps from many leading manufacturers. Like all Radium fuel surge tanks, this universal product can be used on any fuel injected application and is compatible with all fuel types. Furthermore, this system permits cooler fuel temperatures as the fuel is not returning from the hot engine bay. This simplifies the installation, reduces overall cost, reduces weight, and eliminates potential leak points in the fuel system. This revolutionary idea eliminates the need for an external fuel pressure regulator along with the extra fittings and hoses. The high-flow regulator is adjustable and features interchangeable orifice sizes. The FST-R (Fuel Surge Tank?Regulated) is an all new design that houses a single internal fuel pump and has an integrated fuel pressure regulator machined into the top cap. Three 6AN male fittings (8AN can be purchased separately) Nickel-Plated Electrical Connector with 24″ Flying Leads Interchangeable regulator orifice sizes to match output of different pumps Integrated adjustable fuel pressure regulator with 1:1 vacuum reference Anodized for compatibility with all fuel types Full CNC aluminum construction with O-ring sealed interfaces The Fuelab pump outlet can be rotated to point any direction.Radium E85 FST-R, Fuel Surge Tank with Integrated FPR A mounting bracket is not necessary with this fuel surge tank.Ĥ. A lift pump is required to supply fuel to the surge tank.Ģ. The surge tank must be mounted as near vertical as possible.ģ. Also, a 65 micron inlet sock filter is provided to prevent any debris or contaminants.ġ. A specially designed pump inlet fitting is included with the surge tank, as shown below. However, if different sized fittings are required, they can be purchased separately HERE.Īs shown above, an aluminum retaining bracket and stainless steel hardware is included to secure the pump. Three -6AN male adapter fittings are included for the auxiliary ports and a -6AN male fitting is included for the pump outlet. The 3 auxiliary ports on the FST and the fuel pump outlet are tapped for 3/4"-16 (8AN ORB) threads. The tank is constructed from CNC machined aluminum and is anodized to resist oxidation. The FST and all pumps listed above are compatible with all fuel types including E85. The large Radium FST reservoir provides ample fuel supply for even the most demanding conditions. The compatible pump model part numbers and associated flow rates are shown below.īrushless fuel pump technology permits lower current draw thus less heat will be introduced into the fuel system. Please reference the Fuelab website for details and information about Prodigy pumps. This Radium Engineering fuel surge tank is specifically designed for use with a Fuelab Prodigy in-tank "power module" (sold separately). This is an excellent fueling solution for vehicles installing large demand power upgrades such as forced induction. The surge tank also provides a quick and easy way to upgade any standard fuel system without heavily modifying the in-tank pump system. Excess fuel in the surge tank is returned back to the vehicle's main fuel tank. This volume is maintained by the main fuel tank's pump as well as the fuel returning from the fuel pressure regulator. The volume of fuel inside the surge tank acts as a buffer to always keep the FST pump supplied with fuel. A fuel surge tank (FST) is designed to prevent fuel starvation to the engine on vehicles with inadequate fuel tank baffling.
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