1963 F100 Motorcraft 2 Barrel Carb pouring fuel
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5th Wheeling
Joined: Nov 2010
Posts: 28
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From: Murfreesboro, TN
1963 F100 Motorcraft 2 Barrel Carb pouring fuel
I have a 1963 Ford F100 with a 292 V8 with a Ford Motorcraft 2 barrel carb. The carb is pouring fuel from the top. I had this issue once before but it went away after driving it on the highway for about 20 miles. I took the carb off the intake manifold and rebuilt the carb with the little knowledge I have about carbs. The rebuild kit did not come with new jets but it did come with a new float pin. I replaced all of the gaskets and the accelerator pump. I also replaced a round thing that screws into the bottom of the carb but not sure what that is called.
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The carb is still pouring fuel out of the top. I took the top off of the carb after I reinstalled it and the float seems to be moving freely. The float seems to be stopping the fuel from overfilling the bowl but not sure how to tell with the engine off. The only adjustment for the float is to bend the tab that the float pin is attached to. The float is attached with a wire which has a little bend in the middle of the wire. Is that little bend in the wire supposed to hook on something? Any suggestions are greatly appreciated.
<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com
fficeffice" /><o></o>The carb is still pouring fuel out of the top. I took the top off of the carb after I reinstalled it and the float seems to be moving freely. The float seems to be stopping the fuel from overfilling the bowl but not sure how to tell with the engine off. The only adjustment for the float is to bend the tab that the float pin is attached to. The float is attached with a wire which has a little bend in the middle of the wire. Is that little bend in the wire supposed to hook on something? Any suggestions are greatly appreciated.
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Joined: Sep 2008
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From: Waterdown, Ont.
Elder User
Joined: May 2010
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From: Valley Center, CA
As mentioned above, sounds like that wire retainer could be your issue...also make sure the float is leveled to specs-your kit should come with a little set-square that helps you measure the float level.
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5th Wheeling
Joined: Nov 2010
Posts: 28
Likes: 1
From: Murfreesboro, TN
I do have the float hooked over the seat. I just wasn't sure if that was correct or not. I will check the float to see if it has fuel in it but it does float. Looking at the picture from Zenmaster, I don't believe my pin which the float is attached to has that spring.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
I do have the float hooked over the seat. I just wasn't sure if that was correct or not. I will check the float to see if it has fuel in it but it does float.
Looking at the picture from Zenmaster, I don't believe my pin which the float is attached to has that spring.
Looking at the picture from Zenmaster, I don't believe my pin which the float is attached to has that spring.
There was no such thing as Motorcraft prior to 1973.
While the 1962/72 Auto-Lite & 1973/74 Motorcraft 2V carb kit is the same, there are several different types of Motorcraft carbs. 1970/74's have a choke pull-off diaphram mounted into the airhorn.
The triangular shaped carb ID tag bolted to the airhorn, many are missing today. There is a stamped ID number on the base of the carb, post what it is.
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5th Wheeling
Joined: Nov 2010
Posts: 28
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From: Murfreesboro, TN
The Tag on the Carb has the following:
Fred Jones MFG
C3tZ 9510 U
I beleive this is a motorcraft CA271. I think the issue was trash in the line causing the float pin to stick open. I hope. I cleaned it out and haven't had the issue since. We'll see.
Fred Jones MFG
C3tZ 9510 U
I beleive this is a motorcraft CA271. I think the issue was trash in the line causing the float pin to stick open. I hope. I cleaned it out and haven't had the issue since. We'll see.
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Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
In 1972, Ford was forced by the US Gov't to sell Auto-Lite as they claimed Ford had a monopoly on autoparts.
Ford then started in-house brand Motorcraft and transfered all the Auto-Lite part numbers over to Motorcraft part numbers.
Since this is a rebuilt carb, it could be marked one or the other.
Fred Jones is a long time Tulsa OK Ford Dealer and an authorized Ford parts rebuilder (engines, transmissions, carbs, alternators, generators, fuel pumps and etc etc etc).
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