Author Topic: Mechanical fuel pump  (Read 1933 times)

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Offline richard-wilkins@hotmail.c

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Re: Mechanical fuel pump
« Reply #30 on: Tuesday,August 15, 2023, 08:49:41 AM »
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Offline richard-wilkins@hotmail.c

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Re: Mechanical fuel pump
« Reply #31 on: Tuesday,August 15, 2023, 08:55:16 AM »
These are the pics of my elec fuel pump installation.

Offline jbcollier

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Re: Mechanical fuel pump
« Reply #32 on: Tuesday,August 15, 2023, 11:25:12 AM »
By all means use a pressure gauge to set up your fuel pressure.  After it is set though, please remove it and plug the port.

Offline richard-wilkins@hotmail.c

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Re: Mechanical fuel pump
« Reply #33 on: Thursday,August 17, 2023, 12:59:38 AM »
Thanks for the comment re the removal of the gauge. I've heard this before but conversely, I have seen them left in a few road cars and competition cars. Open to help on this one. Is there a known problem with leaving them in please? Are they prone to leakage?
Thanks in advance.

Offline jbcollier

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Re: Mechanical fuel pump
« Reply #34 on: Thursday,August 17, 2023, 07:21:20 AM »
Yes gauges can fail, and they fail much, much more often than a solid brass plug.  Worse, its position is perfect for spraying leaking fuel all over the engine compartment.

So, is it going to fail?  Probably not.  Could it fail?  Maybe.  Is fuel pressure something that needs to be monitored constantly?  No.

Therefore best practice is to set up your pressure and then remove the gauge and fit a plug.

Offline richard-wilkins@hotmail.c

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Re: Mechanical fuel pump
« Reply #35 on: Friday,August 18, 2023, 12:14:50 PM »
Thanks for your points which are well made. I will take the necessary precautions and remove it. Thanks again.