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Old 11-01-2018, 07:55 PM
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Electric fuel pump

When Installing an electric fuel pump, does anyone have a brand they like, and a brand to stay away from? This will be for my 218 Plymouth with duel carbs. As you can see I don't need a great volume. Just a good pump. Any thoughts, Stan

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Old 11-01-2018, 08:06 PM
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Basic use, the Holley series are dependable and easy to rebuild later on. For performance use, we prefer Aeromotive or Magna Fuel. The only electric pumps I have ever had issues with were the Barry Grant stuff (out of business) and the Stewart Warner ones. SW units tended to burn up rather quickly. Make sure you use a filter in front of the pump, preferably sitting downward from the tank pickup. Also, if this is a street ride, a piece of tire sidewall makes a good vibration insulator - (also works well as replacement rubber for body mounts).and runing the power to the pump through a 30 amp relay will help the pump deliver it's full potential.
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Old 11-01-2018, 08:18 PM
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Avoid the Holley Red, Blue, and Black pumps and their clones, if you want a quiet pump....those Holley vane pumps can often be heard a block away. Work jus fine, but can be very loud if you don't use isolation mounting to kill the noise.

Carter make s a quiet, reasonable cost pump that fits the bill for most street guys. Very reliable and long lived.

Mallory's gerotor Comp line of pumps and Holley's Billet gerotor pumps are quiet, but probably getting above a reasonable cost perspective for just basic medium performance level street use, starting at $200+ and up.

I'm no fan at all of the little "mighty-mite" plunger pumps, seen too many of them that have failed.
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Old 11-02-2018, 12:22 AM
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Only issue is the older cars "back in the day" like your Plymouth and 50's Fords only required 2-3 psi fuel pressure so using just about any of those pumps suggested is going to push 6-12 psi and your Carbs won't handle that at all. Carter does make some lower pressure electric pumps and Holley does have a low pressure regulator,DO NOT use a paper element fuel filter between the tank and the pump they can deteriorate and fry the pump Russel makes a small bronze unit you can clean. https://www.ebay.com/itm/Fuel-Filter...zPw4:rk:2:pf:0
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Old 11-02-2018, 01:53 AM
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What does a 251 pump put out?

Might be enough to keep things happy.
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Old 11-02-2018, 04:12 AM
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Quote:
Originally Posted by cerial View Post
What does a 251 pump put out?

Might be enough to keep things happy.
You'll have to enlighten some of us to exactly what a "251" pump is??
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Old 11-02-2018, 05:38 AM
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I believe all the L block flathead engines have interchangeable pumps including the 251 from the powerwagon and industrial blocks.

My 68 wm300 had a 251 and I believe the pump was interchangable. Inliners would know more.
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Old 11-02-2018, 11:42 AM
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Quote:
Originally Posted by stan's52 View Post
When Installing an electric fuel pump, does anyone have a brand they like, and a brand to stay away from? This will be for my 218 Plymouth with duel carbs. As you can see I don't need a great volume. Just a good pump. Any thoughts, Stan
6-volt system?

If 12v.....
https://www.summitracing.com/parts/hly-12-426/overview/


.

Last edited by techinspector1; 11-02-2018 at 11:51 AM.
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Old 11-02-2018, 12:44 PM
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Quote:
Originally Posted by cerial View Post
What does a 251 pump put out?

Might be enough to keep things happy.
Running fuel pressure should be 4.5 psi on the early Mopars so you could use this as would be a good choice pressure wise, https://www.summitracing.com/parts/sgt-sp1130/overview/
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Old 11-02-2018, 07:23 PM
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Avoid the "Mr. Gasket" pumps. I installed one on my SBC powered 1948 Plymouth. Fortunately, when it failed, the car was still parked in the garage. Replaced it with an Edelbrock pump, and have had no problems since.
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