Help IDing a Motorcraft Carb
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Senior User
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From: Indiana Cornfields
Help IDing a Motorcraft Carb
I have a 1974 460 in my F250 and I am trying to figure out what carb I have on it. I can't find any numbers anywhere. All I can see is the word Motorcraft stamped in the front. Does anyone know what carbs they used in this year?
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
The only ID numbers on Motorcraft carbs are on a triangular shaped tag that bolts to the airhorn.
9 times out of 10, the ID tag is missing by now.
As original: 1974 F250/350 460: Motorcraft 4300 4V carb / ID tag code: D4TE-9510-CA.
Carburetor tune-up kit: D3AZ9A586A (Motorcraft CT226B)
MSRP: $27.38 / FTEpartsguy.com price: $16.43
9 times out of 10, the ID tag is missing by now.
As original: 1974 F250/350 460: Motorcraft 4300 4V carb / ID tag code: D4TE-9510-CA.
Carburetor tune-up kit: D3AZ9A586A (Motorcraft CT226B)
MSRP: $27.38 / FTEpartsguy.com price: $16.43
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From: Indiana Cornfields
The rear barrels are not much bigger, if any. Let me see if I can't get a picture on here tonight. But from what I had read here on the forum, I have a feeling its a 4300 series.
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From: Indiana Cornfields
ok so it was dark when I got home so I couldn't get a good picture of it. But how well will these carbs flow? I plan on upgrading the cam soon and I think if I do that, I should probably look at upgrading the carb as well.
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Joined: Dec 2001
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From: Louisville,Ky.
It should have a venturi size stamped in it somewhere. Look in the READFIRST thread at the top of this forum for more details.
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From: Indiana Cornfields
I looked at the READFIRST thread. The only problem is that my carb doesn't have any of those numbers stamped on it. It has a 1.25 stamped in the circle.
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From: Indiana Cornfields
I have no idea if this a stock carb or not. We found it in my buddy's barn along with a huge Q-jet and and three holley 2bbls that came off of a powerwagon. It is a squarebore design though
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Joined: Dec 2001
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From: Louisville,Ky.
1.25 is probably the correct number. Maybe contact Carburetor, Carburetors, Carbs, Carb Parts. Pony Carburetors - Your Ford Carburetor Restoration and Part Sales Specialist for more info.
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