![]() The Radium Fuel Delivery System is E85 safe. The fuel pressure regulator return uses a short -6AN prefabricated PTFE hose and adapter fittings to connect to the factory fuel feed line, using it as the return line. Mounted on the fuel rail is the Radium Direct Mount Regulator (DMR) and a Radium FPD-R fuel pulse damper. All necessary dapter fittings and pressure gauge are included. The -8AN feed line travels from the filter up to the Radium EVO 8-9 fuel rail, as shown below. A selection of fuel filter elements are available. The filter is mounted to the chassis under the car using a specially designed bracket that does not require any cutting or drilling for installation. Fuel injectors are NOT included.Īt the heart of the system is the Radium EVO 8-9 fuel pump hanger (shown below).įrom the fuel pump hanger, the feed line kit passes fuel through a Radium in-line fuel filter using prefabricated -8AN PTFE hoses. The Radium fuel pump hanger, plumbing kit, fuel rail, pulse damper, gauge, and pressure regulator completely replace the restrictive OEM fuel system with a setup capable of supporting well over 1,000hp. Because this kit includes a bespoke fuel pump inlet screen, the sock filters that typically come standard with these types of pumps are not required.This comprehensive kit includes everything required to construct a high performance fuel delivery system for the 2003-2007 Mitsubishi EVO 8-9. Depending on the setup, some parts will simply not be used.ģ. There will be enough components included with this option to run all 4 fuel pumps. Stainless Electrical and Mounting Hardwareġ. When purchasing "No Pumps Included", the kit will come preassembled as shown above.Ģ. Anodized Aluminum Lift Pump Baffle and Check Ball Anodized Aluminum 8.5mm Barb Hose Ends for OEM Feed/Return Anodized Aluminum 6AN Male Fitting for Return Anodized Aluminum 8AN Male Fitting for Feed Permits 1-3 Surge Pumps plus 1 Lift Pump This system is compatible with the following fuel pumps( not included on this particular variation )į90000274 (450/460lph High Pressure E85/Pump Gas )į90000285 ( 525lph E85/Pump gas " Hellcat" ) Measures were taken to ensure that the lift pump always has fuel to deliver to the surge tank.īecause all compatible fuel pumps utilize integrated check valves, the high pressure pump outlets merge into a single 10AN billet collector. It also serves as a baffle keeping the lift pump supplied with fuel. Included in the kit is a lift pump mount that snaps onto 3 sides of the OEM sub tank. This lift pump is located in the rear portion of the OEM sub tank within the Mazda gas tank. The 1" check ball allows fuel into this tight area during acceleration and traps fuel in during deceleration.įor the high pressure pumps supplying fuel to the engine, a bespoke stainless steel triple pump mesh strainer is included for proper inlet filtration.įor a proper FST to function, a lift pump is necessary to maintain volume within the surge tank. When a low demand for fuel is present, the canister will overflow back into the OEM sub tank The 24 hole diverter evenly disperses fuel inside the canister preventing air bubbles and foaming. The lift pump sends low pressure (high volume) fuel in the FST through a special deflector in the bottom of the surge tank canister. Electrical hardware is included for the fuel pump(s), OEM level sender, and OEM temperature sensor. Furthermore, the high quality in-tank wiring is insulated with chemically resistant PTFE. Nylon acorn nuts are provided to prevent any accidental short circuits. These serviceable connections are properly sealed and impervious to all standard and exotic fuels. The custom designed stainless electrical studs easily handles the high current demand that compact bulkhead connectors lack. Fortunately, Mazda manufactured a gas tank with a very large bolt flange pattern (similar to the FCST) permitting various upgrading options. But after some sanctioning bodies banned externally mounted FSTs, Radium built the first production fuel cell with an integrated surge tank (FCST). Because the FD RX7 can experience high lateral Gs, it inherently suffers from fuel slosh. A fuel surge tank (FST) is the best solution in preventing fuel starvation. Since 2009, Radium Engineering has been designing numerous FSTs for multiple applications.
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