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Radium gas tank12/9/2023 ![]() ![]() All internal wires are gasoline, ethanol, and methanol compliant. The pumps are mounted using an anodized aluminum bracket. When fuel enters the MPFST through the "SUPPLY" and "RETURN" ports, it gets redirected and runs tangential through the canister creating a swirl pot. This helps eliminate unwanted air bubbles and fuel foam that can affect fuel pump and engine performance. The brushless Ti Automotive E5LM MPFST pump outlet merge collector shown below. All of these fittings can be swapped out with different sizes (sold separately). This "PUMP OUT" port is 10AN ORB threaded but comes preinstalled with a -8AN male adapter fitting. The "OVERFLOW", "SUPPLY", and "RETURN" ports are all 8AN ORB threaded but come preinstalled with -6AN male adapter fittings. NOTE: The brushless Ti Automotive E5LM MPFST includes check valves (shown below in green). Multiple high flowing fuel pumps can be used in the surge tank.īecause the compatible pumps utilize a check valve, the MPFST merges all pumps into a single outlet simplifying external plumbing. Recently redesigned for 2019, the Radium Engineering MPFST is the perfect solution for high power vehicles experiencing fuel starvation during aggressive driving. For more information on how a fuel surge tank works, CLICK HERE. 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 opening the stock fuel tank. Excess fuel in the surge tank is returned back to the vehicle's main fuel tank. This volume is maintained by the lift 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(s) supplied with fuel, even if the lift pump starves momentarily. Fuel is supplied to the surge tank by a lift pump, which in most cases is the OEM in-tank fuel pump. **Need help selecting which fuel pump configuration? READ THIS**Ī fuel surge tank (FST) is designed to prevent fuel starvation to the engine on vehicles with inadequate fuel tank baffling. SEE TERMS AND CONDITIONS FOR MORE INFORMATION. RADIUM DOES NOT OFFER A WARRANTY ON ANY FUEL PUMPS! FUEL PUMPS CAN BE RETURNED IN UNUSED CONDITION WITHIN 30 DAYS OF PURCHASE. The inner stainless steel braid resists extreme fuel pressures and is covered with black PVC which gives the hose added protection from debris and provides abrasion protection.Click here to download the Gen1 MPFST instructions (PDF) These PTFE hoses use anodized aluminum hose ends and are cut-to-length specifically for the 06-09 S2000 application. Unlike standard rubber hose, PTFE is non-permeable and eliminates any possible fuel vapor smell. Included are 4 preassembled -6AN PTFE hoses which are great for all types of fuel including high alcohol contents, such as ethanol (E85). Wiring is very simple and takes less than 30 minutes to assemble. The bolt-on powdercoated aluminum bracket mounts to existing OEM holes and features 3 rubber isolation mounting points to reduce fuel pump noise and vibration.Īlso included are wiring components with flying leads featuring Raychem solderless butt splices, and a weatherproof fuse and relay to drive the FST's fuel pump. As shown below, 100% of the trunk space is still useable. Because the S2000 is a small vehicle, please consider the decibels of the fuel pump selected. The Honda S2000 install kit locates the FST in a hidden collision-safe area of the trunk behind the left seat using factory located threaded bosses. Included in this kit is a billet barb adapter (shown below) that routes the excess fuel from the FST back into the main fuel tank through the fuel filler hose. Furthermore, leaving the FST-R regulator barb disconnected to manifold pressure will emulate the OEM fuel pressure, if required.Īlso, the 06-09 S2000 has no low pressure fuel return hose that plumbs back into the fuel tank. This eliminates the need for an external FPR to be purchased. This FST-R install kit utilizes Radium's innovative FST-R surge tank (sold separately) which incorporates an integrated fuel pressure regulator designed for the returnless fuel system found in the 06-09 S2000. Here is a informative video on how a Radium Fuel Surge Tank works: The kit was not designed to work with the Radium MPFST. For our fuel surge tank (FST) install kit for the 00-05 S2000, go HERE. More FST-R information can be found HERE. This comprehensive installation kit includes everything needed to install a Radium fuel surge tank with a single 39mm fuel pump in a 06-09 Honda S2000. ![]()
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