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Mitsuba Fuel Pump 100M

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356roadster

356roadster

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After endless troubles with my SU-pump I have built in a Mitsuba FP 323 fuel pump into my 100M yesterday. There were no problems at all; the fuel pressure seems to be ok and there are no leaks in the fuel system after building in the pump. The only difference is the sound: While the SU-pump is stopping to transport fuel and making noises as soon as the right pressure is reached, the Mitsuba continues working making some clackclack-noises (which are noticeable only when ignition is on and engine is not running). What are your experiences? Is this normal?
Thank you for your answers....
 
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