Radium surge tanks are available with or without pumps and will work with any type of fuel. Adding a fuel cell surge tank acts as a buffer, filling up when fuel pressure increases and then emptying when pressure drops, so you can get the right amount of fuel without fancy hoses or fittings. When you’re constantly accelerating and decelerating on a track, fuel pressure can shift rapidly, and a good surge tank will help smooth out these pressure changes. Drivers with old-school carbureted muscle car engines can find compatible fuel pumps as well. Their compact design helps them run cooler while reducing weight, and they install easily on your vehicle. Installing an aftermarket fuel pump from Aeromotive, Deatschwerks, AEM and other top brands will significantly increase fuel flow across wide pressure ranges. At MAP, we have the fuel pumps and surge tanks you need to ready your system for any racing or custom application.Įvery electric in-tank fuel pump we carry is rigorously tested for flow rate and reliability on high-output engines, whether naturally aspirated or forced induction. High-horsepower engines need lots of fuel, and the fuel system needs to be able to provide it while also accounting for sudden change. After all, you wouldn’t figure out the optimal amount of pizza for a party (answer: all the pizza), then only order half of it. Optional fuel surge tank level switch and diagnostic LED failsafe port (shown below).Once you’ve determined how much fuel your engine needs, it’s time to make sure your car is capable of providing it. Dynamic safety vent valve with rollover protection and fuel fill shut-off protection. Fuel compatibility: leaded and unleaded gasoline, methanol, ethanol, E85, etc. Full CNC aluminum construction with anodized surfacing for superior corrosion resistance. Simplified servicing features eliminating nylon sealing washers and fuel cell retaining brackets. Hermetically sealed high-current stainless steel electrical studs capable of handling all pumps. Multiple fuel pump options including gerotor, turbine, and brushless DC motor pumps. One-way fill valves located on the bottom of the canister that allows fuel in, but not out, keeping the surge tank full. All pumps use check valves that prevent back-flow in multi-pump applications. Merged single 10AN ORB female threaded outlet. Over the years, Radium Engineering has continued to refine the FCST into a robust and highly functional piece of hardware. This dynamic sequence is all done inside the safety of a fuel cell. If this happens, each fill valve opens and sends 355LPH of fuel (1065LPH total) into the surge tank until fuel level reaches an equilibrium.Įxcess fuel in the surge tank simply overflows back into the fuel cell. These 1-way FKM fill valves are sealed shut unless the fuel level in the cell rises above the fuel level in the surge tank. There are 3 fill valves integrated to the bottom of the surge tank. The return from the pressure regulator is also routed to the surge tank canister to help keep it full. If the lift pump starves, the volume inside the surge tank canister will keep the surge tank pumps fed and the engine supplied with fuel. Inside the surge tank canister, up to 3 EFI fuel pumps can be used to feed high pressure fuel to the engine. The cell depth must be at least 7.7" (196mm) measured from the outer top face to the internal bottom face.Ī lift pump scavenges fuel from the bottom of the fuel cell and pumps it into the 2L surge tank. The opening must be on the top face of the fuel cell (i.e. To install a Radium Engineering FCST into a fuel cell, the following criteria must be met:ġ. The cell must have the industry standard 6"x10" 24-bolt flange opening.Ģ. It provides all the benefits of a traditional external fuel surge tank without safety concerns and plumbing complexity. It features a true dual-chamber fuel tank utilizing a single lift pump and up to 3 surge tank pumps all packaged inside the fuel cell. It is NOT a glorified trap door box with baffles. The FCST is designed to protect EFI vehicles that experience fuel starvation. The Fuel Cell Surge Tank is a drop-in fuel pump system for Radium Engineering's popular fuel cells or any cell that uses the industry standard 6x10 24-bolt fill plate bolt pattern.
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