Re: Electric fuel pump with a carbureted engine
[Re: 70duster340]
#1930230
10/11/15 03:34 PM
10/11/15 03:34 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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post all you want bro. I think carter has a street pump but wait for the guys that know for sure. In my exp some pumps put out more than they say plus alot of of fuel psi gauges ain't dead on accurate. Sumpin to keep in mind if you have a flooding/high fuel level situation on down the line. Me I like a bypass line back to the tank with a Holley low psi reg regulating a return line T'd close to the carb inlet rather than regulating the fuel TO the carb inlet. keeps the fuel cooler too
live every 24 hour block of time like it's your last day on earth
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Re: Electric fuel pump with a carbureted engine
[Re: 70duster340]
#1930283
10/11/15 05:22 PM
10/11/15 05:22 PM
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Joined: Jan 2003
Posts: 6,531 Jacksonville, FL
Chris2581
master
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master
Joined: Jan 2003
Posts: 6,531
Jacksonville, FL
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The Carter pump that can be used without without a regulater is a good pump
Nautilus Racing- We use Superformance gaskets and Turbo Action converters/products.
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Re: Electric fuel pump with a carbureted engine
[Re: Chris2581]
#1930295
10/11/15 05:43 PM
10/11/15 05:43 PM
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Joined: May 2003
Posts: 1,751 Graham, WA
Polarapete
top fuel
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top fuel
Joined: May 2003
Posts: 1,751
Graham, WA
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I had a high pressure Mechanical Hemi race pump on my '64 Polara and it made too much pressure for a street car. It really was a NASCAR pump (they don't allow electrics) and again another lesson learned. With today's fuels an electric pump with a reasonable output is needed to combat vapor lock. It is a delicate balancing act. The Carter would be a good choice or a Holley pump with a return line.
1986 Dodge Ramcharger 440 2wd, Bracket Racer Under Construction 1998 Ram 2500 QuadCab, new daily driver. 2008 Honda Element 2014 Carry-On 7x14 Cargo Trailer
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Re: Electric fuel pump with a carbureted engine
[Re: 70duster340]
#1930326
10/11/15 06:17 PM
10/11/15 06:17 PM
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Joined: Nov 2004
Posts: 25,050 Texas
GoodysGotaCuda
5.7L Hemi, 6spd
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5.7L Hemi, 6spd
Joined: Nov 2004
Posts: 25,050
Texas
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How do I run a return line if the tank isn't set up for it? You might be able to just buy a new sending unit that has a provision for a return built into it.
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Re: Electric fuel pump with a carbureted engine
[Re: 70duster340]
#1930448
10/11/15 10:05 PM
10/11/15 10:05 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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Is there another way? I just bought a new sending unit. A person can pull the sender & drill a hole in the circular flat & solder in a nipple
live every 24 hour block of time like it's your last day on earth
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Re: Electric fuel pump with a carbureted engine
[Re: Polarapete]
#1930481
10/11/15 10:36 PM
10/11/15 10:36 PM
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Joined: Jul 2003
Posts: 3,378 Rancho Cordova, CA
Exit1965
master
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master
Joined: Jul 2003
Posts: 3,378
Rancho Cordova, CA
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I had a high pressure Mechanical Hemi race pump on my '64 Polara and it made too much pressure for a street car. It really was a NASCAR pump (they don't allow electrics) and again another lesson learned. With today's fuels an electric pump with a reasonable output is needed to combat vapor lock. It is a delicate balancing act. The Carter would be a good choice or a Holley pump with a return line. Yes! I finally got rid of that problem, running terribly for the first couple minutes after a heat soak start, by switching to that Carter electric pump.
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Re: Electric fuel pump with a carbureted engine
[Re: 70duster340]
#1930561
10/12/15 12:45 AM
10/12/15 12:45 AM
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Joined: Jan 2007
Posts: 7,664 IN
ahy
master
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master
Joined: Jan 2007
Posts: 7,664
IN
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I am willing to do the whole system, just don't know what is involved. From what I can see, my biggest hangup will be the return line. For a carb setup, the return line should not be needed if the electric pump is mounted aft in a cool location. Pressurized fuel from the aft mounted pump will resist vapor lock in the hot engine compartment... or will re-fill the carb bowl for start after heat soak boils out the fuel. Your Holly should handle up to 7-9 psi fuel pressure. A self regulated pump in the 5-7 psi range, like the Carter street pump, mounted on a frame rail, should be fine without regulator or return line.
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