The Radium fuel pump hanger includes a venturi jet pump with a new integrated pressure-relief valve to minimize back pressure.Īll returning fuel from the pressure regulator and crossover hose exit the jet pump keeping the OEM gas tank baffle full for starvation protection. When using aftermarket high-flow fuel pumps, the OEM jet pump becomes too restrictive creating unwanted backpressure in the regulator return line causing excessive fuel rail pressure. One major issue with the OEM EVO 8-9 fuel pump hanger is the restrictive return port and venturi jet pump. Electrical hardware is included for the fuel pump(s) and OEM level sender. Like the OEM fuel rails, the injector bores are 11mm ID so factory injectors, or any equivalent. Furthermore, the high quality in-tank wiring is insulated with chemically resistant PTFE. RADIUM FUEL RAIL - HONDA B-SERIES - RADIUM ENGINEERING. Nonconductive acorn nuts are provided to prevent any accidental short circuits. The low profile design allows you to tuck it neatly away underneath the factory OEM cover plate. This fuel pump hanger is only compatible with the TI Automotive AKA Walbro 255, 460 and 525 fuel pumps.Ī single -8AN male pump feed port and -6AN male return port is included for you to run your own fuel lines. It is ideal for the Lotus returnless fuel system as it simplifies the system and only requires 3 fuel hoses.Ran out of fuel in the chase for more power? Radium Engineering have you covered with their double fuel pump hanger which keeps the fuel pumps in-tank and hidden away neatly without the need for a surge tank mounted in the boot. ![]() This unprecedented fuel surge tank features an integrated fuel pressure regulator. ![]() There are many fuel pump options (listed above) that can be chosen to be used with the FST-R to meet all Lotus application demands. This location provides easy access and serviceability. The Trunk Mount location was designed to work for ALL 2004+ Lotus Models. Note: Lotus Cup Cars do not use a charcoal canister so the Frame Rail Mount option is viable. The charcoal canister will have to be removed or relocated if this FST location is necessary. However, for the OEM supercharged Elise/Exige, Lotus relocated the emissions charcoal canister to this area. This location is compatible with A/C equipped cars and is ideal if the clamshell is modular. The Frame Rail Mount was designed for 2004-up Lotus Elise/Exige models with a nonsupercharged 2ZZ-GE engine. The Elise/Exige kits come with a smaller billet fuel filler adapterĪlso, there are 2 different mounting locations to choose. Thus, a large billet fuel filler adapter is provided specifically for these cars. The rare Lotus Cup cars (and 211) came from the factory with a large fuel filler hose. There are 4 different kit configurations to choose from for the 2004+ Lotus 2ZZ-GE. Complete Wiring Harness with Weather Sealed Relay and FuseĬlick Here to download installation instructions (PDF) for Frame Mount.Ĭlick Here to download installation instructions (PDF) for Trunk Mount. Nickel Plated Frame Rail or Powder Coated Trunk Mounting Bracket Radium Anodized Billet 6061 Aluminum Fuel Return Adapter Preassembled PTFE Hoses with -6AN Hose Ends For more information on the FST-R CLICK HERE. This means that no extarnal regulator needs to be purchased. This install kit is designed to be used with the Radium FST-R which has an integrated fuel pressure regulator built in. It is also compatible with both the OEM fuel rail as well as a Radium Fuel Rail. ![]() This kit is compliant to be used with all popular alcohol fuels including E85 as ALL factory fuel lines are replaced with high quality -6AN stainless steel wrapped PTFE hose that utilizes a black PCV cover to prevent abrasion. The kit was not designed to work with the Radium MPFST. The kit locates the FST on the right hand side of the vehicle in either the engine bay near the alternator or in the trunk (see below for details). This comprehensive installation kit includes everything needed to install a Radium FST-R with a single 39mm fuel pump in a 2ZZ-GE powered Lotus Elise/Exige. Radium Engineering Fuel Surge Tank Kits for Elise & Exige
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