electric fuel pump
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- Drip
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electric fuel pump
Hi guys need advice please
Cant get my carbs to stop leaking and flooding.
I have type 4 twinport.
And im using a inline electric fuel pumpndrom midas.
The only thing incan think of is pressure to high. Do i need a regualtor? Already checked floats and needle, all seem to be in working condition.
Cant get my carbs to stop leaking and flooding.
I have type 4 twinport.
And im using a inline electric fuel pumpndrom midas.
The only thing incan think of is pressure to high. Do i need a regualtor? Already checked floats and needle, all seem to be in working condition.
- Tony Z
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Re: electric fuel pump
You need the small square facet pump which is rated to 3psi MAX. Anything more and you will have problems.
I have rotary pumps at home which cost a lot more than the facet, are also set to 3psi but are dead silent.
I have rotary pumps at home which cost a lot more than the facet, are also set to 3psi but are dead silent.
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Re: electric fuel pump
Tony, modern (fuel injection) cars seem to have return line going back to the tank. The pump delivers a lot of fuel but hslf of it ends up where it started. What will be the benefit?
- white_356
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Re: electric fuel pump
Thanks for the info Tony Z.
I have exactly the same problem, also with a Type IV, with dual Solexes (recently reconned)
The previous Facet pump packed up after working fine for many years without any issue, and since I've replaced it with the new Facet pump I have issues with fuel pushing through carbs into the sump.
According to the guy at Midas, this new pump is exactly the same spec as my previous one, but I've always had the suspicion that the issue might be too high pressure.
I plumbed in a return with adjustable pressure regulator, but this doesnt seem to be working all that well, as it happened again.
I have exactly the same problem, also with a Type IV, with dual Solexes (recently reconned)
The previous Facet pump packed up after working fine for many years without any issue, and since I've replaced it with the new Facet pump I have issues with fuel pushing through carbs into the sump.
According to the guy at Midas, this new pump is exactly the same spec as my previous one, but I've always had the suspicion that the issue might be too high pressure.
I plumbed in a return with adjustable pressure regulator, but this doesnt seem to be working all that well, as it happened again.
1960 Karmann Ghia
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1960 Split Window Kombi
1969 Beetle 1500 LHD (Project)
356 Speedster Replica
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1972 Westfalia
1989 Syncro (2.5 Suby)
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- white_356
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Re: electric fuel pump
I got it from Autozone.
1960 Karmann Ghia
1960 Split Window Kombi
1969 Beetle 1500 LHD (Project)
356 Speedster Replica
1970 Lowlight Single Cab Bay
1972 Westfalia
1989 Syncro (2.5 Suby)
2017 VW T6 Transporter 4motion
1960 Split Window Kombi
1969 Beetle 1500 LHD (Project)
356 Speedster Replica
1970 Lowlight Single Cab Bay
1972 Westfalia
1989 Syncro (2.5 Suby)
2017 VW T6 Transporter 4motion
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Re: electric fuel pump
Do you have the genuine Facet pump, not one of those Chinese replica's?
I have the Facet pumps running on 4 of my type 4 motors and don't have issues with flooding.
I have the Facet pumps running on 4 of my type 4 motors and don't have issues with flooding.
- Tony Z
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Re: electric fuel pump
I believe that facet has two identical pumps but they pump at two different pressures and when looking at it, its just the part number which is different, so if your guy doesnt know this, or the storeman just took all the pumps that arrived that day and put them in the same box, then they could be issuing the wrong pumps without knowing it.white_356 wrote:
According to the guy at Midas, this new pump is exactly the same spec as my previous one, but I've always had the suspicion that the issue might be too high pressure.
Same as the pumps I use, nearly identical part number, they look the same and the box is the same, even when advertised they use the same picture for both. Except one if for 10psi and another for 3 psi - i.e. one works for Weber, the other for Holley.
That is due to the pressure and to help it to self prime. With it being able to return to the tank, you have the possibility of the pump pushing all the air out of the system and returning it to the tank, leaving only fuel behind.Piet wrote:Tony, modern (fuel injection) cars seem to have return line going back to the tank. The pump delivers a lot of fuel but hslf of it ends up where it started. What will be the benefit?
Also, remember that fuel injection needs much higher pressure than we use. This added pressure heats the fuel. Ever pump up a bicycle wheel and feel the pump?
Anyway, this heat isnt wanted as it causes the fuel to burn early in the cylinder, or in extreme cases it can cause the fuel to ignite while being injected. So it returns the fuel to the tank where it effectively cools and sits there long enough to cool down before being recirculated.
Remember, petrol has a closed flash point around 40degC. Which means that in a closed container, with the correct AFR it is able to spontaneously combust at about 40degC. I cannot remember the open flash point of petrol...
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- slak
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Re: electric fuel pump
The most popular of the Facet pumps are the p/n. 40106 / 40108
both of these pump at a rate of min 4 - max 7 psi
the one U need if U want to run a Facet pump only without a regulator
is the p/n. 40163 that only pumps at a rate of min 1.5 - max 2.5 psi
but they are hard to find but not impossible
the youngsters at the spareshops are sales driven these days and if it looks the same
it should work the same right
they actually have limited knowledge of the actual work the parts do so to ask them
is of no use
both of these pump at a rate of min 4 - max 7 psi
the one U need if U want to run a Facet pump only without a regulator
is the p/n. 40163 that only pumps at a rate of min 1.5 - max 2.5 psi
but they are hard to find but not impossible
the youngsters at the spareshops are sales driven these days and if it looks the same
it should work the same right
they actually have limited knowledge of the actual work the parts do so to ask them
is of no use
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Re: electric fuel pump
Just to add to what Tony said about the temperature issue, my diesel Isuzu has a radiator in the fuel line that sits under the cab. It is common rail injection.
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Re: electric fuel pump
Just to add to what Tony said about the temperature issue, my diesel Isuzu has a radiator in the fuel line that sits under the cab. It is common rail injection.
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- Tony Z
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Re: electric fuel pump
Also forgot to add that the fuel pump needs to be cooled, it uses the fuel to do this so it needs a fresh supply of cool fuel.
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Re: electric fuel pump
Found a work around that seems to have solved my problem.
Prob easier for me as its a pipe car.
Put a T piece in below the pump and directed back to the tank. The overflow seems to be working great. Not over fueling or leaking
Prob easier for me as its a pipe car.
Put a T piece in below the pump and directed back to the tank. The overflow seems to be working great. Not over fueling or leaking
- splitfan
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Re: electric fuel pump
Goldwagen sell a rotary pump specific for carbs I have used these with no hassle , no taka taka taka
My biggest fear is that my wife sells my cars for what i told her they cost !!
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Re: electric fuel pump
Ai that taka taka taka is annoying hey. Was instructed by a mechanic to install a facet pump only to find the fault was kak in the tank. But anyway the pump is there now and that sound...... blah!!
More than meets the eye!