NOTE: The brushless Ti Automotive E5LM MPFST includes check valves (shown below in green). Multiple high flowing fuel pumps can be used in the surge tank.īecause the compatible pumps utilize a check valve, the MPFST merges all pumps into a single outlet simplifying external plumbing. Recently redesigned for 2019, the Radium Engineering MPFST is the perfect solution for high power vehicles experiencing fuel starvation during aggressive driving. For more information on how a fuel surge tank works, CLICK HERE. This is an excellent fueling solution for vehicles installing large demand power upgrades such as forced induction. The surge tank also provides a quick and easy way to upgade any standard fuel system without opening the stock fuel tank. Excess fuel in the surge tank is returned back to the vehicle's main fuel tank. This volume is maintained by the lift 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, even if the lift pump starves momentarily. Fuel is supplied to the surge tank by a lift pump, which in most cases is the OEM in-tank fuel pump. **Need help selecting which fuel pump configuration? READ THIS**Ī fuel surge tank (FST) is designed to prevent fuel starvation to the engine on vehicles with inadequate fuel tank baffling. SEE TERMS AND CONDITIONS FOR MORE INFORMATION. RADIUM DOES NOT OFFER A WARRANTY ON ANY FUEL PUMPS! FUEL PUMPS CAN BE RETURNED IN UNUSED CONDITION WITHIN 30 DAYS OF PURCHASE. Click here to download the Gen1 MPFST instructions (PDF)
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