Alternatively, Radium 20-0152 (see option above) can be installed on the FST-R outlet port. No grinding, bending, or modification of the trunk floor sheet. It is compatible with following models: The unique integrated 1.85L surge tank completely eliminates fuel starvation. This can come from special OBDII software such as a COBB Access Port. The Radium Engineering fuel surge tank hanger permits the use of 1, 2, or 3 aftermarket high pressure pumps and 1 lift pump in the stock Mazda FD RX7 fuel tank. A means for adjusting the FST-R fuel pressure is needed. A FST-R (Fuel Surge Tank-Regulated) is needed to go with this installation kit. Wiring is very simple and takes less than 30 minutes to assemble. Heat tape is included to reflect unwanted heat from the exhaust system, as shown.Īlso included are wiring components with flying leads featuring Raychem solderless butt splices, and a weatherproof fuse and relay to drive the FST-R fuel pump. The MK3 Ford Focus install kit locates the FST-R in a collision-safe area under the vehicle, in front of the rear bumper support. The anodized aluminum bracket solidly mounts to OEM mounting points. The integrated regulator on the FST can be vacuum referenced if 1:1 fuel pressure is required or ran static to mimic the stock system. Overflow fuel returns back into the OEM fuel filler hose with an included billet adapter. The pump is protected from fuel starvation as the OEM low pressure fuel pump(s) are redirected to supply fuel to the FST. The fuel pump inside the surge tank is used to replace and mimic the OEM fuel supply line and feed the OEM HPFP. Here is a informative video on how a Radium Fuel Surge Tank (FST) works: This comprehensive installation kit includes everything needed to install a Radium fuel surge tank (FST-R) in a 2013+ Focus ST and 2015+ Focus RS. Click here to download installation instructions (PDF)
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