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Electric Fuel Pump Conversion


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#1 kit352

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Posted 06 July 2020 - 11:49 AM

So I have been told my original 998 mech fuel pump is shot and needs to be replaced. An electric fuel pump conversion has been suggested as a replacement. Is this considered a good thing or a bad thing? Car is mostly stock with a stage 1 kit.

#2 Cooperman

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Posted 06 July 2020 - 12:01 PM

Electric pumps were fitted to the original Minis, but they were a bit unreliable (Lucas). The best pump to fit it the electric FACIT pump. Mount this at the back, ideally inside the sub-frame edge. Just blank off the mechanical fuel pump hole in the block with a plate and a gasket.

Run the power via the ignition switch, via a fuse. You can incorporate a secret hidden switch for additional security.



#3 greenwheels

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Posted 06 July 2020 - 12:07 PM

Electric pumps were fitted to the original Minis, but they were a bit unreliable (Lucas). The best pump to fit it the electric FACIT pump. Mount this at the back, ideally inside the sub-frame edge. Just blank off the mechanical fuel pump hole in the block with a plate and a gasket.

Run the power via the ignition switch, via a fuse. You can incorporate a secret hidden switch for additional security.

This plate https://minispares.c...king plate.aspx and a normal fuel pump gasket

 



#4 fokko

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Posted 06 July 2020 - 12:10 PM

I would advise you also consider the option replace it with a new mechanical fuel pump. It's more than up to the job. It's a very simple job. You can buy a new one from Minispares (http://minispares.co...ps/AZX1818.aspx). You will not gain any power from an electric pump and it makes noise, although at speed I doubt you will hear it ;-).



#5 kit352

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Posted 09 July 2020 - 07:26 PM

I really couldnt find a good enough reason to make the switch to an electric pump so a new mechanical one will be going in.

#6 MiniMadRacer

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Posted 10 July 2020 - 08:01 PM

I am not sure on the "rules" but if fitting an elec pump shouldnt there be some sort of "accident" cut off switch to prevent the pump pumping fuel everywhere in such an event.



#7 Cooperman

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Posted 11 July 2020 - 09:52 AM

The G switch is a relatively new idea.
It is not really necessary.
In fact, in crashes it is not normally the petrol which can cause a fire, it is the brake fluid.
Competition cars, which are more likely to crash don't have g-switches because if the high g levels they generate, especially rally cars and rallycross cars.

#8 Richard1

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Posted 11 July 2020 - 03:16 PM

I put electric pumps on any car I restore. Put it near the tank, so it can push the fuel, not try to suck it. That also allows you to put the filter after the pump, and not in the engine compartment.

But make sure you get one with the right pressure. I usually use external pumps, but on my SPI PUP, I put an in-tank pump, which they sold me as 15 psi, and turned out to be 50 psi. I had to add a pressure regulator.



#9 IronmanG

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Posted 11 July 2020 - 06:43 PM

I put electric pumps on any car I restore. Put it near the tank, so it can push the fuel, not try to suck it. That also allows you to put the filter after the pump, and not in the engine compartment.
But make sure you get one with the right pressure. I usually use external pumps, but on my SPI PUP, I put an in-tank pump, which they sold me as 15 psi, and turned out to be 50 psi. I had to add a pressure regulator.


Do you have a link to the in tank pump you used in your PUP. Did you have to baffle the tank at all?




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