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Author Topic: Blanking off mechanical pump  (Read 330 times)
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JohnFol
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« on: July 01, 2020, 06:16:00 PM »

Afternoon all, I'm fitting an electric fuel pump and inertia switch in a few week's time. Clearly the fuel pipes will no longer go via the mechanical pump, but the pump is still "connected" to the engine, I guess by a cam.

Has anyone taken the extra step to remove the pump and blank off the hole?
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betaveloce
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« Reply #1 on: July 01, 2020, 06:42:28 PM »

Afternoon all, I'm fitting an electric fuel pump and inertia switch in a few week's time. Clearly the fuel pipes will no longer go via the mechanical pump, but the pump is still "connected" to the engine, I guess by a cam.

Has anyone taken the extra step to remove the pump and blank off the hole?

Yes, I removed the mechanical pump and fitted the blanking plate from lanciabetaparts.co.uk (but only about 10 years after installing the electrical pump I must admit  Cheesy )
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WestonE
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« Reply #2 on: July 02, 2020, 08:43:56 AM »

Hi John

Guy Croft sells blanking plates and more importantly his book tells you how to remove the drive lobe from the Aux shaft removing the risk of it hitting no 2 conrod and breaking it if the Aux DS is not perfectly timed. Something to have to hand if you are changing the cam belt.

Enjoy

Eric
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JohnFol
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« Reply #3 on: July 02, 2020, 11:24:58 AM »

Thanks Eric.

On balance the loss of 1hp due to weight of pump / load on drive lobe vs risk of breaking con rod, I think I might just leave it for another day!
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WestonE
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« Reply #4 on: July 02, 2020, 05:30:54 PM »

Hi John

Fit the Electric pump the lobe will be fine if it is now i.e. no light knocking noise. But removing the manual pump which are only just good enough when new will give you the change later to remove the Aux DS risk and make cam belt changes less stressful.

Eric
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mangocrazy
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« Reply #5 on: July 03, 2020, 11:00:18 PM »

With engine 'in situ' I can understand your reluctance to remove the fuel pump/blank the aperture off/cut the fuel pump lobe off. But if you ever take the engine out of the car, those tasks should be high up on your list...
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