Electric fuel pump
 

Need your help, recommended electric fuel pump to purchase and vendor, and any tips on installation. I was told it would help on starting my 1941 Ford and turn it off after starting. Also would help in case of favor lock. Thank you John

Re: Electric fuel pump
 

Why not install an elec pump by the tank and take out stock pump.

Tim

Re: Electric fuel pump
 

I agree with the recommendations you note. I have my '47 set up that way, with the electric pump at the tank. It definitely helps in starting my engine. I kept my stock mechanical pump for normal use. If one fails the other may get you home. And I still carry a spare mechanical pump in my trunk during long trips.

Others here may offer advice re sizes, manufacturers and vendors. I've seen it recommended that electric feeds to electric pumps be equipped with emergency shut-down device which can be manually or automatically activated in case of a car crash (Ron Francis is one vendor of such).

Re: Electric fuel pump
 

Installed inexpensive electronic pumps from Auto Zone on both my vehicles close to the tank and removed the mechanical. Used a common oil pressure switch for safety reasons so if the engine dies so does the pump. Put a momentary contact switch in the system so if it sits too long I can fill the carb before I start it. Been on both vehicles for over 25 years and not one problem.

Re: Electric fuel pump
 

Airtex electric pumps are inexpensive, reliable, and allow the mechanical pump to pull through them when they're off.

Airtex E8902 for 6 volt. E8016S for 12 volt. Here's my installation back by the gas tank. Didn't even have to drill a hole to mount. Used a hole already in the frame to mount.

http://i1059.photobucket.com/albums/...mpelectric.jpg

I have found a need to run the pump more than for just an instant when I have vapor lock. In such case, even this low pressure pump that tops out at 4 psi is too much for the carburetor float valve and overwhelms it and floods the engine. So, I added a Holley pressure regulator in the frame just after the electric pump.

http://i1059.photobucket.com/albums/...ps64f449f8.jpg

I put a toggle switch under the dash.

http://i1059.photobucket.com/albums/...ps761667df.jpg

And a small LED indicator light to remind me that it's on. (Green LED to right of steering column to remind me that kill circuit relay is energized to turn off when ignition is turned off.)

http://i1059.photobucket.com/albums/...psabc58c7f.jpg

I also have an inertia kill switch to shut off the car (including the electric fuel pump) in case of a crash.

http://i1059.photobucket.com/albums/...l/IMG_3762.jpg

Re: Electric fuel pump
 

Because electric pumps also fail. I've had an Airtex fail. I'd'a been stuck if I'd removed my mechanical pump.

Re: Electric fuel pump
 

One caution. If you install an electric pump and have it pump through the mechanical it is possile to pump fuel into the sump if the mechanical pump diaphram rupures. Either run the electric on a momentary switch, eliminate the mechanical or plumb the electric so it doesn't flow through the mechanical.
Les Bliss

Re: Electric fuel pump
 

Here's a link to some old forum comments on Airtex pumps. IMHO they are OK as backups or startup pumps but not reliable for constant use.
https://www.fordbarn.com/forum/showth...ghlight=airtex

Re: Electric fuel pump
 

I've gotta admit......you must be quite the electrical guru to figure-out all those wires and switches.....nice work! DD

http://i1059.photobucket.com/albums/...ps761667df.jpg

Re: Electric fuel pump
 

Lol!

Re: Electric fuel pump
 

This is precisely what I did. I've got my inline electric fuel pump (Airtex 8016S) hooked up to a momentary switch. It's just there for priming or emergency situations.

Re: Electric fuel pump
 

Lots of folks like the Airtex. I used a Carter in conjunction with an oil pressure cut-off switch. You may also need a fuel pressure regulator to throttle down the pump.

Re: Electric fuel pump
 

The oil pressure cut-off is always a good idea!

Re: Electric fuel pump
 

Got mine here www.fifthaveinternetgarage.com

Re: Electric fuel pump
 

How about wire it through the ignition switch-key on, pump on-key off, pump off

Tim

Re: Electric fuel pump
 

I want to thank all you guys for the feedback. It gives me confidence to know I can do the job with various options as mentioned, with oil switch or without or regulator of some type. Kill switch really necessary. I assume it comes with wiring instructions. It might be best to wirie it to ignition switch so if you forget when doing work on car it kills the power. Any thoughts on that? John

Re: Electric fuel pump
 

Regarding relying on an oil pressure cut off switch: Suppose you are cruising along the lonely two lane using the throttle knob for cruise control (as I do all the time) when a front tire blows, you lose control, the car rolls multiple times knocking you unconscious, and lands on its wheels out in the wilderness. The engine would still be running full speed in gear with the throttle pulled out including plenty of oil pressure to keep it going.

See the problem with oil pressure cut offs? Better to use an inertia kill switch that cuts off all electrical to the engine and kills it and everything running through the ignition switch (including the electric fuel pump) in that event or many other possibilities. Here's how I wired mine to include a manual kill switch if I need to make an emergency stop with the throttle knob pulled out:

http://i1059.photobucket.com/albums/...tchDiagram.jpg

And the manual kill switch above my rear view mirror more quickly accessed than the throttle knob.

http://i1059.photobucket.com/albums/...l/IMG_3765.jpg

http://i1059.photobucket.com/albums/...l/IMG_3768.jpg

The LED indicating that the kill switch is on so that I don't leave it on when I turn the ignition switch off.

http://i1059.photobucket.com/albums/...psadpjpmji.jpg


And the relay that the inertia and manual kill switches operate:

http://i1059.photobucket.com/albums/...l/IMG_3764.jpg

Re: Electric fuel pump
 

I use a locally NZ made unit. It is set up much like Old Henry but I don't use a regulator. It is on a spring loaded momentary toggle switch under the dash that cant be seen. You have to hold the switch to prime it, that way it can't be left on accidentally. It is only used for priming the system of fuel so you don't have to crank and crank the starter after it has been sitting for a while.



GB

Re: Electric fuel pump
 

P.S. Just in case anyone wonders what all of the switches under my dash are, far left is gauge dimmer switch (stock), next turn signal switch including internal resistors to add ohms to the circuit and buzzers to remind me to turn them off, electric pump switch, interior light switch, fog light switch, then to the right out of the picture are the red LED indicating the electric fuel pump is on and a yellow LED indicator light reminding me that the fog lights are on. To the right of the steering column is another green LED indicator light telling me the manual kill switch is on energizing the relay which has to be turned off manually when key is turned off. (I actually use the kill switch to turn the car on and off and just leave the key in turned on. Have fooled many a mechanic trying to start it up.)

http://i1059.photobucket.com/albums/...ps761667df.jpg

Re: Electric fuel pump
 

Do new cars with elec fuel pumps go through all that.

I simply have a pull type kill switch with a lanyard hooked the ring in my nose. Works every time.

Tim

Re: Electric fuel pump
 

Henry I think your example is a little off the deep end to say the least, but nothing wrong with an inertia switch, they are also a good idea. And yes, modern cars have these systems with the electrical fuel pumps. An electric fuel pump can be very dangerous in a crash without a cut off system of some type.

Re: Electric fuel pump
 

What happens if you sneeze???.....MARK

Re: Electric fuel pump
 

qmdv^^^^ That's what I did...works for me =)
Randy

Re: Electric fuel pump
 

How far away from the gas tank can you mount (in feet) the electric pump ?
Thanks for any help

Re: Electric fuel pump
 

If you have an electric fuel with 4 lbs max pressure rating you don't need a pressure regulator. That's what the .097 hole in the needle valve is for to regulate the flow with 2 to 4 lbs fuel pressure. Much above 4 lbs and the carb could flood an much below 1 1/2 lbs it will starved for fuel at high speeds. Ford tried a .112 hole then a .105 and settled finally on a .97 0r .98 hole. I do suggest a spring loaded switch. G.M.

Re: Electric fuel pump
 

I would never use the throttle knob for cruise control personally, but even if I did, are you certain this scenario would trigger the inertia switch? I'm not.

Re: Electric fuel pump
 

Electric fuel pumps work best the closer to the fuel tank they are and the lower they are. They can be mounted any distance from the tank (within reason) that you want as long as you keep it low compared to the fuel tank.

Re: Electric fuel pump
 

It's the same switch that all modern vehicles count on to cut off the engine in a collision. I am way more certain about the inertia switch than that an oil pressure shut off switch would do the job. An oil pressure switch only cuts off the power once the engine dies. That doesn't solve the problem in a collision. Just to be sure one could install both style cut off switches.

Re: Electric fuel pump
 

That's the way modern cars are set up, both. The engine running is not always oil pressure, but computer controlled.

Re: Electric fuel pump
 

I could not use an oil pressure cut off switch...my oil pressure goes to nearly 0 at hot idle!

Re: Electric fuel pump
 

You will need that fuel pressure regulator...2-2 1/2# is plenty of pressure.
I went elec. and removed the mechanical pump. Guess I could break down, that's why I've also got AAA.
My family and I broke down near Quinter Kansas back in the 90's and the delay caused us to miss a tornado a few miles ahead. We never know!

Re: Electric fuel pump
 

When cutting the fuel line to install the electric fuel pump did you drain the fuel tank.

Re: Electric fuel pump
 

That would probably be the better way but I couldn't get the plug out of the tank. So, I just started cutting into the fuel line with a tubing cutter that rolls around the tube just until a small crack in the tubing then let it all drain into a container at that point before cutting any further. Now that I have the electric pump, if I need to empty the tank, like to replace the fuel filter on the pump, I can just disconnect the fuel line to the mechanical pump, put a hose on it to a container, turn the electric pump on and pump all of the gas out that way.

Re: Electric fuel pump
 

Thank you. I want to either remove or bypass my 40 ford mechanical fuel pump. I have the oil pressure kill switch and the momentary toggle switch to start the car. I have a 12volt Carter electric fuel pump and the low pressure regulator. Only question does the Carter electric fuel pump last and is it reliable?

Re: Electric fuel pump
 

Thank you. I want to either remove or bypass my 40 ford mechanical fuel pump. I have the oil pressure kill switch and the momentary toggle switch to start the car. I have a 12volt Carter electric fuel pump and the low pressure regulator. Only question does the Carter electric fuel pump last and is it reliable?

Re: Electric fuel pump
 

Is there a gas line shut off valve that could be installed so that you do not have to drain the gas tank if installed after the tank and before the filter, pump and regulator?

Re: Electric fuel pump
 

Rock Auto has the cheapest price on Airtex Fuel Pumps.

Re: Electric fuel pump
 

Gentlemen, based on the comments made I will remove the mechanical fuel pump from my 1940 Ford and install a Carter electric 12 volt fuel pump with a pressure regular at 2.5 with an oil pressure kill switch and a momentary toggle switch to jump out the oil pressure kill switch to prime the carb. Thanks and if it lasts for over 25 years it will be last longer than me.