Re: Single feed vs. dual feed carb.
[Re: 440mopar]
#2551790
09/19/18 02:13 AM
09/19/18 02:13 AM
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Joined: Sep 2014
Posts: 4,457
Washington
madscientist
master
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master
Joined: Sep 2014
Posts: 4,457
Washington
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Other than room or OE packaging I can't see why you wouldn't want a dual feed set up. One line for each needle and seat...I don't see a bad thing.
Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
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Re: Single feed vs. dual feed carb.
[Re: 440mopar]
#2551819
09/19/18 07:18 AM
09/19/18 07:18 AM
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Joined: Dec 2007
Posts: 18,157
Mass
DAYCLONA
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 18,157
Mass
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I'm looking at getting a new Holley carb. that comes in both single and dual feed versions. Other than the obvious extra feed on the dual feed, are there any other differences between the two? Does the extra feed provide a better supply or flow of fuel? Just trying to decide if I should choose one version over the other. The carb. will be used on a mild 440. I've used both types of carbs over the years, no big benefits or draw backs, esp since your application is a mild street 440, full race application is another story...
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Re: Single feed vs. dual feed carb.
[Re: 440mopar]
#2551842
09/19/18 09:45 AM
09/19/18 09:45 AM
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Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
moparmarks
I Live Here
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I Live Here
Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
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Both carbs have 2 needle and seats.
The single feed has a transfer tube and has side hung floats
The dual feed has 2 fuel lines and center hung floats. It flows more fuel than the single feed.
A single feed will work fine on a mild 440 for the street.
72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/motormangj@gmail.com
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Re: Single feed vs. dual feed carb.
[Re: 440mopar]
#2551882
09/19/18 11:51 AM
09/19/18 11:51 AM
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Joined: Nov 2006
Posts: 2,255
IL
furious70
top fuel
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top fuel
Joined: Nov 2006
Posts: 2,255
IL
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maybe silly, but to me a dual feed has the 'hot rod look' and the single feeds are pedestrian looking.
70 Sport Fury
68 Charger
69 Coronet
72 RR
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Re: Single feed vs. dual feed carb.
[Re: 440mopar]
#2551952
09/19/18 02:55 PM
09/19/18 02:55 PM
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Joined: Jan 2004
Posts: 8,233
fredericksburg,va
cudaman1969
master
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master
Joined: Jan 2004
Posts: 8,233
fredericksburg,va
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68 426 Dart-Barracuda, single feed square bowls and vacuum secondary's.
#3310, single line, would be my choice.
Last edited by cudaman1969; 09/19/18 02:55 PM.
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Re: Single feed vs. dual feed carb.
[Re: skicker]
#2551997
09/19/18 05:23 PM
09/19/18 05:23 PM
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Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
moparmarks
I Live Here
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I Live Here
Joined: Nov 2003
Posts: 12,494
Western Colorado High Desert
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FWIW With a stock height intake sometimes a dual feed line runs right into the distributor depending on which dual feed line you use...  Some also hit the manifold.
72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/motormangj@gmail.com
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