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You are here:Home>Tech Talk>Electric Radiator Fans

Electric fuel pumps

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Readers might remember an issue a couple of years ago when my subject topic was a replacement fuel pump for the SU pump fitted to the early model (pre fuel injected) cars. I proposed at the time to trial the "electronic" pump in one of my cars. I installed it in my MK 1 3.4 auto as the SU pump in that car had been a real source of trouble in spite of a complete overhaul.

The electronic pump has been very reliable and has not caused any problems whatsoever. My only remark is because it is not mounted on any noise insulation it is noisy prior to engine start. Once the engine is running you do not hear the pump. Don't forget that the SU pump is normally mounted on noise insulating rubbers. I believe if I devised a noise insulating mounting there would not be much difference between the two types.

In the meantime I have discovered that there is an electric low pressure [3 pounds per square inch {psi}] rotary fuel pump on the market that is designed for carburettor cars. Electric rotary fuel pumps are normally used by fuel injected cars such as the Series 3 XJ6 and your current model Ford Falcon and Holden Commodore. However these pumps are very high pressure [typically around 30 psi] and unsuitable for carburettor vehicles as the float valve to control fuel level in the carby cannot handle the pressure. The pump is "Carter" brand made in the USA however AKSES who advertise in this magazine advise that they are having difficulty getting stock at the moment.

Tagged under
  • Electrical
  • Fuel System
  • XJ6

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