85 351 w h.o. question
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Post Fiend
Joined: Sep 2009
Posts: 23,620
Likes: 2
From: Coeur d alene, Id
85 351 w h.o. question
Ok i did search and did not find my answer if this has been covered before i am sorry..
What i am wanting to know is what model Holley carb came on this motor. Cfm, and such. I want to rebuild it soon and want to make sure i order everything correctly. Thank you for your help.
What i am wanting to know is what model Holley carb came on this motor. Cfm, and such. I want to rebuild it soon and want to make sure i order everything correctly. Thank you for your help.
Laughing Gas
Joined: Feb 2010
Posts: 781
Likes: 8
From: Sanford, NC
If is the original carb, then it is a Motorcraft/Holley 4180 four barrel that is 600 cfm.
You can get a Holley kit that is available from Summit or a Motorcraft kit that you may
be able to get from a Ford dealer or off of e-bay. The Holley kit will be cheaper. I
would not use a kit that is not one of the above because of inferior parts that they use.
You can get a Holley kit that is available from Summit or a Motorcraft kit that you may
be able to get from a Ford dealer or off of e-bay. The Holley kit will be cheaper. I
would not use a kit that is not one of the above because of inferior parts that they use.
Thread Starter
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Post Fiend
Joined: Sep 2009
Posts: 23,620
Likes: 2
From: Coeur d alene, Id
Hmm i have not noticed a tag like that. I will look tonight when i get home, also i can take pics of the carb. I f that will help
If is the original carb, then it is a Motorcraft/Holley 4180 four barrel that is 600 cfm.
You can get a Holley kit that is available from Summit or a Motorcraft kit that you may
be able to get from a Ford dealer or off of e-bay. The Holley kit will be cheaper. I
would not use a kit that is not one of the above because of inferior parts that they use.
You can get a Holley kit that is available from Summit or a Motorcraft kit that you may
be able to get from a Ford dealer or off of e-bay. The Holley kit will be cheaper. I
would not use a kit that is not one of the above because of inferior parts that they use.
and thanks for the help guys i will see what i can find
Moderator
Joined: Nov 2007
Posts: 22,415
Likes: 92
From: Denver Metro Area, CO
That looks like an aftermarket carb, the factory variants don't have a big Holley on them like that.
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Post Fiend
Joined: Sep 2009
Posts: 23,620
Likes: 2
From: Coeur d alene, Id
Where might the model number be listed on it? do you have a guess as to which carb i do have?
If it is a "Big Carb" like you mentioned that may explain why i get such crummy mpg's lol
If it is a "Big Carb" like you mentioned that may explain why i get such crummy mpg's lol
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Moderator
Joined: Nov 2007
Posts: 22,415
Likes: 92
From: Denver Metro Area, CO
I said "big *Holley*" referring to the large letters on the front float bowl, not trying to refer to the carb as a whole.
There are better carb guys than me here, they can maybe identify it better than I can.
Cargo Master
Joined: Dec 2004
Posts: 3,362
Likes: 22
From: Florence, SC
That is definitely not the stock Motorcraft/Holley 4180 truck carburetor that your truck originally came with. The big "HOLLEY" letters and the lack of the carburetor vent on the fuel bowl for the connection to the charcoal canister is a dead give away.
It looks like an aftermarket Holley 4160 (600cfm) carburetor to me.
It looks like an aftermarket Holley 4160 (600cfm) carburetor to me.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 39
From: EXTREME southwest CT
Definitely not stock.
The 4180 has a fuel inlet with a 7/8-20 threaded housing for a plastic mesh fuel filter sock and a flare fitting to couple to a rigid metal fuel line.
The list number and build date is similar to this illustration of a 4150 from the Holley website.
Locating Holley Carb List Number
The 4180 has a fuel inlet with a 7/8-20 threaded housing for a plastic mesh fuel filter sock and a flare fitting to couple to a rigid metal fuel line.
The list number and build date is similar to this illustration of a 4150 from the Holley website.
Locating Holley Carb List Number
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Post Fiend
Joined: Sep 2009
Posts: 23,620
Likes: 2
From: Coeur d alene, Id
thanks for the help guys.. I couldnt go look at it last night since the heavens opened up and showered us like crazy. hopefully it will be nicer out tonight when i get off work.
