The Ford Barn

jstrez5 · 07-24-2013, 08:33 PM

has this ever happened to anyone? i have a 1939 flat head 6 volts with a electric fuel pump my question is if the electric fuel pump stopped working would that shut down the gas from getting to the carb. even tho i have the mechancal fuel pump can somebody explain this to me. thank you jim.

Lawson Cox · 07-24-2013, 08:39 PM

The electric fuel pump should pump gas to and through the stock mechanical pump provided the mechanical pump is still in the mix.

jstrez5 · 07-24-2013, 08:47 PM

the gas is not makeing it to the sediment bowl what might be the problem jim

Joe AZ · 07-24-2013, 09:16 PM

Not all electric pumps will allow gas to be pulled through them by the mechanical pump. Your fuel line or possibly an in-line filter could be plugged, as well.
Joe

Lawson Cox · 07-24-2013, 09:27 PM

Sounds like the flex line to the fuel pump may be plugged or have a vacuum leak. Check it out.

Bob C · 07-25-2013, 11:19 AM

Sponsored Links (Register now to hide all advertisements)

Like Joe said not all electric fuel pumps are flow through, some have to
be running to let the gas through.

trulyvintage · 07-25-2013, 11:30 AM

Is the gas tank original ?

Has it ever been flushed ?

You might have rust/sediment in the tank.

Jim

Tinker · 07-25-2013, 12:44 PM

I would probably run new line from tank and use the mechanical only. But that is me.

Something to note, and not what your asking... but, putting a electric fuel pump inline with the mechanical pump could be problematic.

If the diaphragm tears on the mechanical pump you will be pushing gas into your crank case.

Now some have electrics inline with a mechanical pump for priming, which is not the same as using the electric pump as the main and just pushing it through your mechanical pump.

Best of luck!

07-24-2013, 08:33 PM	#1
jstrez5 Senior Member Join Date: Aug 2012 Location: PA Posts: 263	no gas to carb has this ever happened to anyone? i have a 1939 flat head 6 volts with a electric fuel pump my question is if the electric fuel pump stopped working would that shut down the gas from getting to the carb. even tho i have the mechancal fuel pump can somebody explain this to me. thank you jim.

07-24-2013, 08:39 PM	#2
Lawson Cox Senior Member Join Date: May 2010 Location: Above the gnat line in Georgia Posts: 7,009	Re: no gas to carb The electric fuel pump should pump gas to and through the stock mechanical pump provided the mechanical pump is still in the mix. __________________ Life is like a roll of toilet paper. The closer to the end, the faster it goes. It is better to be seen, than viewed. "We sleep safe in our beds because rough men stand ready in the night to visit violence on those who would do us harm".

07-24-2013, 08:47 PM	#3
jstrez5 Senior Member Join Date: Aug 2012 Location: PA Posts: 263	Re: no gas to carb the gas is not makeing it to the sediment bowl what might be the problem jim

07-24-2013, 09:16 PM	#4
Joe AZ Senior Member Join Date: May 2010 Location: Prescott, WI Posts: 336	Re: no gas to carb Not all electric pumps will allow gas to be pulled through them by the mechanical pump. Your fuel line or possibly an in-line filter could be plugged, as well. Joe

07-24-2013, 09:27 PM	#5
Lawson Cox Senior Member Join Date: May 2010 Location: Above the gnat line in Georgia Posts: 7,009	Re: no gas to carb Sounds like the flex line to the fuel pump may be plugged or have a vacuum leak. Check it out. __________________ Life is like a roll of toilet paper. The closer to the end, the faster it goes. It is better to be seen, than viewed. "We sleep safe in our beds because rough men stand ready in the night to visit violence on those who would do us harm".

07-25-2013, 11:19 AM	#6
Bob C Senior Member Join Date: May 2010 Location: So Cal Posts: 8,751	Re: no gas to carb Sponsored Links (Register now to hide all advertisements) Like Joe said not all electric fuel pumps are flow through, some have to be running to let the gas through.

07-25-2013, 11:30 AM	#7
trulyvintage Senior Member Join Date: May 2010 Location: Direct Enclosed Transport Since 2006 Posts: 4,160	Re: no gas to carb Is the gas tank original ? Has it ever been flushed ? You might have rust/sediment in the tank. Jim __________________ Click Here To See Where I Am Today What My Actual Customers Say Click Here Click Here To See Vehicles I Have Hauled

07-25-2013, 12:44 PM	#8
Tinker Senior Member Join Date: May 2010 Location: MN Posts: 7,053	Re: no gas to carb I would probably run new line from tank and use the mechanical only. But that is me. Something to note, and not what your asking... but, putting a electric fuel pump inline with the mechanical pump could be problematic. If the diaphragm tears on the mechanical pump you will be pushing gas into your crank case. Now some have electrics inline with a mechanical pump for priming, which is not the same as using the electric pump as the main and just pushing it through your mechanical pump. Best of luck!