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Please school me on fuel pump #838841
10/25/10 05:09 PM
10/25/10 05:09 PM
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Posts: 103
Tampa, FL
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Saint Crispan Offline OP
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Recently found that I was not getting gas to the carb. Long story short, decided it was the fuel pump and determined to replace it.

Turns out, it's a lot easier to pull the fuel pump than put it back in. After fussing with trying to get it back in place, found out that there is a small rod which can be pushed back up into place, and presumably is responsible for making contact with the arm and causing the pump to work.

Unfortunately, even though I can push the small rod up into place, I can't get it to stay there long enough to slide the fuel pump back into the spot where it needs to be.

Now, directly beneath the opening there is a hex-head screw. My guess is that this screw can be removed to provide access to the rod, such that you can take a small screwdriver and push the rod up out of the way long enough to put the fuel pump back into place.

My question is, if I do remove the hex-head screw, will the rod fall out, or is the opening too small to permit this?

Are there other pitfalls that I should be watching out for?

Would it just be easier to remove the rod, put a plate on the hole, and run an electric fuel pump?

Any comments are welcome.

Re: Please school me on fuel pump [Re: Saint Crispan] #838842
10/25/10 05:13 PM
10/25/10 05:13 PM
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Paul_Fancsali Offline
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Wheel bearing grease slop it on it will stay inplace to put the pump up

Re: Please school me on fuel pump [Re: Paul_Fancsali] #838843
10/25/10 05:22 PM
10/25/10 05:22 PM
Joined: Jan 2003
Posts: 32,929
Grand Prairie,Texas
stumpy Offline
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grease it push it up and quickly put the pump arm under it.

Re: Please school me on fuel pump [Re: stumpy] #838844
10/25/10 05:38 PM
10/25/10 05:38 PM
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Manitoba, Canada
DaytonaTurbo Offline
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Or just use a piece of wire to hold the rod up until you get the fuel pump started on its way in, then slip it in quick.

Re: Please school me on fuel pump [Re: stumpy] #838845
10/25/10 05:41 PM
10/25/10 05:41 PM
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S.E.Mich
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drew72 Offline
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Or a dab of Vaseline (it dissolves in the oil better). Usually the hex plug has been in for so long you end up making more trouble for yourself than it's worth.

Re: Please school me on fuel pump [Re: drew72] #838846
10/25/10 06:13 PM
10/25/10 06:13 PM
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Tampa, FL
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Saint Crispan Offline OP
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What are the advantages of just putting a plate on it and getting an electric fuel pump?

Can that be done? Can you just slap on a plate, or do you have to remove the rod?

Re: Please school me on fuel pump [Re: Saint Crispan] #838847
10/25/10 06:19 PM
10/25/10 06:19 PM
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U.S.S.A.
JohnRR Offline
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Quote:

What are the advantages of just putting a plate on it and getting an electric fuel pump?

Can that be done? Can you just slap on a plate, or do you have to remove the rod?




The advantage is you fire the pump on and fill the bowls before starting, no more hard starting issues , and you can buy a pump that will not get eaten by the ethanol content in the fuel nowadays.

Yes you can just slap a plate on there and not worry about the rod , if fell down so you can't get the pump in correct ?

Re: Please school me on fuel pump [Re: Saint Crispan] #838848
10/25/10 06:26 PM
10/25/10 06:26 PM
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bethlehem pa
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mikemee1331 Offline
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i have an electric pump in my roadrunner. advantages, see above, disadvantages, feed back in the radio unless you have a modern antenna, buzzing noise in the trunk and having to be careful with fuel pressure.

Re: Please school me on fuel pump [Re: mikemee1331] #838849
10/25/10 06:30 PM
10/25/10 06:30 PM
Joined: Jan 2003
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Grand Prairie,Texas
stumpy Offline
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On a pretty much stockish motor you will be ahead sticking with the stock pump.

Re: Please school me on fuel pump [Re: stumpy] #838850
10/25/10 06:35 PM
10/25/10 06:35 PM
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Tampa, FL
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Saint Crispan Offline OP
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Tampa, FL
Ok, last question...the replacement fuel pump came with a thin gasket. Can I use just the gasket?

Re: Please school me on fuel pump [Re: mikemee1331] #838851
10/25/10 06:43 PM
10/25/10 06:43 PM
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Costa Mesa, CA
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chache876 Offline
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Costa Mesa, CA
Quote:

i have an electric pump in my roadrunner. advantages, see above, disadvantages, feed back in the radio unless you have a modern antenna, buzzing noise in the trunk and having to be careful with fuel pressure.




They're also a lot more susceptible to rust and dirt thats in your gas tank, which can kill them pretty quickly. Its important to make sure you've got a clean fuel system before putting in a new electric pump.

Re: Please school me on fuel pump [Re: stumpy] #838852
10/25/10 06:51 PM
10/25/10 06:51 PM
Joined: Nov 2003
Posts: 10,228
Colleyville
3hundred Offline
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Quote:

On a pretty much stockish motor you will be ahead sticking with the stock pump.




I agree, we went through three electric pumps on our Bobtail truck at work, two cheap ones and one expensive one. It can be a crap shoot. On the other hand the previous owner of my 300 installed an electric pump in 2002 and while we haven't put 10,000 miles on it it's still going strong.

Since the 300 sits most of the time being able to fill the carb without lots of cranking is very nice.

Robert

Robert


'68 Fury Convertible
'69 300 Convertible
'15 Durango 5.7 Hemi
'16 300 S Hemi
Re: Please school me on fuel pump [Re: chache876] #838853
10/25/10 06:53 PM
10/25/10 06:53 PM
Joined: Nov 2003
Posts: 10,228
Colleyville
3hundred Offline
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Colleyville
Quote:

Quote:

i have an electric pump in my roadrunner. advantages, see above, disadvantages, feed back in the radio unless you have a modern antenna, buzzing noise in the trunk and having to be careful with fuel pressure.




They're also a lot more susceptible to rust and dirt thats in your gas tank, which can kill them pretty quickly. Its important to make sure you've got a clean fuel system before putting in a new electric pump.




That's probably what killed the pumps in our old Bobtail, three fuel tanks and NO maintenance and irregular usage.

Robert


'68 Fury Convertible
'69 300 Convertible
'15 Durango 5.7 Hemi
'16 300 S Hemi
Re: Please school me on fuel pump [Re: 3hundred] #838854
10/25/10 06:59 PM
10/25/10 06:59 PM
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bethlehem pa
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mikemee1331 Offline
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Quote:

Quote:

Quote:

i have an electric pump in my roadrunner. advantages, see above, disadvantages, feed back in the radio unless you have a modern antenna, buzzing noise in the trunk and having to be careful with fuel pressure.




They're also a lot more susceptible to rust and dirt thats in your gas tank, which can kill them pretty quickly. Its important to make sure you've got a clean fuel system before putting in a new electric pump.




That's probably what killed the pumps in our old Bobtail, three fuel tanks and NO maintenance and irregular usage.

Robert




i run a filter before the pump but in a stock motor there really is no advantage to offset the price and potential headache

Re: Please school me on fuel pump [Re: 3hundred] #838855
10/25/10 07:05 PM
10/25/10 07:05 PM
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Posts: 1,371
Costa Mesa, CA
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chache876 Offline
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Quote:

Quote:

Quote:

i have an electric pump in my roadrunner. advantages, see above, disadvantages, feed back in the radio unless you have a modern antenna, buzzing noise in the trunk and having to be careful with fuel pressure.




They're also a lot more susceptible to rust and dirt thats in your gas tank, which can kill them pretty quickly. Its important to make sure you've got a clean fuel system before putting in a new electric pump.




That's probably what killed the pumps in our old Bobtail, three fuel tanks and NO maintenance and irregular usage.

Robert




Yeah its a lot more common than people realize.

Re: Please school me on fuel pump [Re: chache876] #838856
10/25/10 08:29 PM
10/25/10 08:29 PM
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Montana
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Yancy Derringer Offline
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Montana
I've installed a lot of pumps with no aid other than my finger. Pull the alternator, an easy job, bump the engine with a remote switch to get the rod "up." You should easily be able to hold it up with a finger and work the pump arm under.

If not, pull the plug, and YES the rod will "fall out" that's what you have hands for--to catch it. Now just grease it and shove it back up

Re: Please school me on fuel pump [Re: Yancy Derringer] #838857
10/25/10 09:05 PM
10/25/10 09:05 PM
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Posts: 103
Tampa, FL
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Saint Crispan Offline OP
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A big thanks for all the input, but I still need to know...the pump came with a gasket, but do I still need to put gasket sealer on it before it goes in?

The one which I pulled didn't look as if it had any on it.

BTW, the one which I pulled also looked as if it were actually putting more gas up into the block than pumping it out to the carb...is that even possible?

Re: Please school me on fuel pump [Re: Saint Crispan] #838858
10/25/10 09:23 PM
10/25/10 09:23 PM
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Suffolk,VA
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ireland383 Offline
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Suffolk,VA
yes you need the gasket. No sealer. The pump does not put fuel into the block unless it is shot or cracked.

Last edited by ireland383; 10/25/10 09:23 PM.
Re: Please school me on fuel pump [Re: Saint Crispan] #838859
10/25/10 09:23 PM
10/25/10 09:23 PM
Joined: Nov 2003
Posts: 10,228
Colleyville
3hundred Offline
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Quote:

BTW, the one which I pulled also looked as if it were actually putting more gas up into the block than pumping it out to the carb...is that even possible?




Yes, that's bad as you might imagine. Change the oil and filter when you're through changing the pump.

Robert


'68 Fury Convertible
'69 300 Convertible
'15 Durango 5.7 Hemi
'16 300 S Hemi
Re: Please school me on fuel pump [Re: 3hundred] #838860
10/25/10 10:14 PM
10/25/10 10:14 PM
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Posts: 15,487
Florida
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scratchnfotraction Offline
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Florida
change oil before testing/running the engine

fuel pump leaking into oil pan has killed a many of them

change the oil and filter

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