Electronic Fuel Pump

nubbyfx · Oct 8, 2008

Just a few quick question. I have a 1967 with an inline 6, looking to upgrade to a electronic fuel pump. Does anyone happen to know the psi I should be running to a Holley model 1940 carb? Or the GPH rating of the pump? Thanx in advance.

Gailahan · Oct 9, 2008

Just curious, but why do you need an electric fuel pump?

nubbyfx · Oct 9, 2008

There is a crack in my current mechanical fuel pump. And as things wear out I usually try to replace the whole system (well as much as I can). So if I end up replaceing the fuel pump with an electric pump, new fuel line all the way to the tank, rebuild the carb, carb linkage, and reroute all the hoses in the engine compartment, It will give me piece of mind that the fuel system is not a piece of 41 year old crap and my engine compartment will look better, more cleaned up.

mrmustangman357 · Oct 9, 2008

put a mechanical one back on. you're worried about headaches? an electric one will be even more of a pain than your mechanical one. keep it simple and it'll last another 41 years

ForceFed70 · Oct 9, 2008

mrmustangman357 said:
put a mechanical one back on. you're worried about headaches? an electric one will be even more of a pain than your mechanical one. keep it simple and it'll last another 41 years

Agreed.

I run an electric myself, but only because I need the higher pressure and additional volume.

D.Hearne · Oct 10, 2008

nubbyfx said:
Just a few quick question. I have a 1967 with an inline 6, looking to upgrade to a electronic fuel pump. Does anyone happen to know the psi I should be running to a Holley model 1940 carb? Or the GPH rating of the pump? Thanx in advance.

Something like a MrGasket 12D pump will work just fine. 4-7 psi and 30 gal/hr. Autozone and Advance Auto Parts keep these in stock. I've got one on my 89 V8 Ranger and it's worked now for 7 years. But I do agree with the others about simply replacing the stock mech pump. They don't wear out that often.

jerry S · Oct 23, 2008

If you cannot live without one, make sure to install some rubber insulators between the pump and the part of the car you are bolting it to. My Holly Blue is so damn loud it sounds like I am crushing 5 lbs of ice in a blender in my backseat while driving.

xoxbxfx · Oct 23, 2008

electric fuel pumps are more of a pain then they are worth. If you dont need extra fuel or high pressure for fuel injection...I wouldnt mess with it.

ron67fb · Oct 23, 2008

jerry S said:
If you cannot live without one, make sure to install some rubber insulators between the pump and the part of the car you are bolting it to. My Holly Blue is so damn loud it sounds like I am crushing 5 lbs of ice in a blender in my backseat while driving.

The only way to quiet a Holley blue/red is to take it out of the car. I've heard probably nothing but complaints about those things. I have a new one in box that I bought before the intarweb became popular. I'm glad I read about it before installing it.

D.Hearne, I've looked into that pump but haven't had time to pick one up. Is it a free-floating inner impeller that flows fuel even when off? You can usually tell because they get quiet as pressure builds up and the impeller slows down. I'm thinking of using it as a prime pump since my carb bowls like to dry up after the car sits for a while.

65ShelbyClone · Oct 23, 2008

ron67fb said:
The only way to quiet a Holley blue/red is to take it out of the car. I've heard probably nothing but complaints about those things.

That's funny. I hate my Holley Red pump and likewise plan on taking it out to use a stock mechanical instead. My old man got one for a '57 Ford project of his and decided to sell it after hearing mine.

I agree with everyone that says to replace the stock pump with a new stock pump. It's quiet, reliable, and a lot less hassle than an electric.

D.Hearne · Oct 23, 2008

ron67fb said:
D.Hearne, I've looked into that pump but haven't had time to pick one up. Is it a free-floating inner impeller that flows fuel even when off? You can usually tell because they get quiet as pressure builds up and the impeller slows down. I'm thinking of using it as a prime pump since my carb bowls like to dry up after the car sits for a while.

As for the "free flow" part, that I can't tell you. It does get quieter as the fuel pressure builds. Autozone and Advance both stock them in their stores.

ron67fb · Oct 23, 2008

Thanks. Yeah I looked it up on partsamerica.com and it is in stock at my local store, or so it claims. Not always accurate - been there done that. I'll pick one up anyway and bench test it to make sure it flows freely. They don't have the Mr G one, but a Facet that looks similar.

gtss · Oct 24, 2008

I run electric, no problems

by the way if you do go the electric route, remember that most electric pumps like to push fuel, not pull it
so mount the pump as close to the tank as you can
gtss

BlueMonster65 · Oct 25, 2008

i 've got to agree with the majority on this. put a mechanical back on. electric pumps are not required for a NA carb engine and i am certain it will cause you a significant amount of headaches.

should you absolutely positively need an electric pump get a A1000 and regulator and run at least -08AN supply and return lines. also either retrofit the existing tank to accept a return line and modify the sending unit to have a 1/2 feed line or just replace the whole thing with a fuel cell. i am only saying this because i wish i did that originally instead of wasting money on blue pumps and steel lines and then -06AN lines only to wind up replacing it all with what i just said. all because i wanted supercharged blowthru 500+hp . so if you anticipate that you will ultimately want to do that, do it right the first time. otherwise save your money and just replace the mechanical pump.

D.Hearne · Oct 25, 2008

With the Mr Gasket pump I listed, there's no need for ether a regulator or return lines. And a 5/16 diameter line is plenty to feed an inline 6.

ashford · Oct 25, 2008

a warning about mr. gasket pumps. it seems there are several manufactures of the "clilcker" fuel pumps and the packagers ie mr.gasket, napa, echlin etc... buy from the lowest bidder and don't seem to be faithful to any.

if it has a plastic housing.. stay away i've never had one pump more than 10 tankfulls of fuel.

if its metal ive had one that went 30,000 miles till i put it in a demolition car, the other one i bought still works.

D.Hearne · Oct 26, 2008

Purolator makes the Mr Gasket pump I have on the Comet. I have the same pump on my 89 Ranger, it's been doing the job for 7 years now without a hitch. It's all metal construction.

Electronic Fuel Pump

nubbyfx

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Gailahan

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ForceFed70

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