1/15/2024 0 Comments Radium dual pump surge tank![]() ![]() All of this is done inside the fuel cell with the FCST. Excess fuel in the integrated surge tank bleeds out into the fuel cell without the need of expensive hoses and fittings. This volume is also maintained by the "return" from the fuel pressure regulator. The volume of fuel inside the surge tank acts as a buffer always keeping the surge tank pump(s) supplied with fuel. The "lift pump" mounts next to the surge tank canister and keeps the chamber filled. These surge tanks are designed as a complete and neat solution for cars that want something that looks a bit more refined than the usual fabricated. The fuel pumps inside the surge tank provide the primary fueling to the engine. A fuel surge tank (FST) is designed to prevent fuel starvation to the engine on vehicles with inadequate fuel tank baffling. The optimized 2.2 liter canister supports 1, 2, or 3 internally mounted surge tank pumps capable of up to 1,350LPH 43psi. For a triple pump FST using these pumps, please go to the Radium Multipump FST page. The FCST uses the tried and true Radium Engineering fuel surge tank system preferred by professional motorsports teams worldwide. Alcohol fuels such as E85, methanol, etc can be safely used. ![]() Excess fuel in the surge tank is returned back to the vehicle’s main. 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(s) supplied with fuel. The FCST also provides a quick and easy way to drop-in an upgraded fuel pump system for extra flow for vehicles with large power demand upgrades such as forced induction. The FST fuel pump(s) feed the fuel rail(s). It is the first of its kind to feature a true dual-chamber fuel tank utilizing a single lift pump and up to three surge tank pumps, all in a compact drop-in package. The FCST is NOT a glorified trap door box. The FCST is designed for EFI vehicles experiencing fuel pump starvation issues while using a competition fuel cell. The Fuel Cell Surge Tank (FCST) is a fill plate replacement for popular fuel cells. ![]()
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