1977 Carburetor
Thread Starter
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Mountain Pass
Joined: Jan 2006
Posts: 211
Likes: 0
From: Westminster, Maryland
1977 Carburetor
Hello all...
Next step in my rebuild (not a fancy rebuild) of the '77 F150 in my profile is the carburetor. 302 V8 AutoTrans 2150 carb with non-electric choke
I realize this could result in a battle over which is best, however, I am not looking for everyones argument. I simply would like some help in deciding which carb to purchase. This truck will be used to drive Mon-Fri to ease the wear on my '06 250.
Will a rebuilt from Advance Auto suffice? What brand? Is there a better way to go? How much should I look to spend? At what price am I getting ripped off?
Thanks for the help!
Next step in my rebuild (not a fancy rebuild) of the '77 F150 in my profile is the carburetor. 302 V8 AutoTrans 2150 carb with non-electric choke
I realize this could result in a battle over which is best, however, I am not looking for everyones argument. I simply would like some help in deciding which carb to purchase. This truck will be used to drive Mon-Fri to ease the wear on my '06 250.
Will a rebuilt from Advance Auto suffice? What brand? Is there a better way to go? How much should I look to spend? At what price am I getting ripped off?
Thanks for the help!
MSEE
Joined: Apr 2004
Posts: 10,386
Likes: 35
From: Austin, TX
Hi dludlow,
I would strongly advise against purchasing a remanufactured carburetor from a parts store. In my entire experience I have not met a single individual who didn't end up on a wild goose chase with this ordeal. When you buy one of these, you have no idea what shape the castings are in, how well they are cleaned, whether the right parts were used, and what everything is set to.
If you want to stay with the 2 barrel, you are best rebuilding the original yourself. If you yourself purchase the rebuild kit for your exact carb numbers, you know you're doing it right (there are dozens upon dozens of different setups for these carbs). It is my experience that Napa sells the best carb rebuild kits. They are a little more expensive but they're more complete and have better parts. If you want the job done right and you want to avoid a giant list of problems, this is the way to go. A carb rebuild done by yourself should run $50 to $60 - figure $25 or so for a Napa kit, $20 for the gallon can of carb cleaner, a couple bucks for spray cans, and a few more bucks for a new fuel filter and base\spacer plate gaskets.
I would strongly advise against purchasing a remanufactured carburetor from a parts store. In my entire experience I have not met a single individual who didn't end up on a wild goose chase with this ordeal. When you buy one of these, you have no idea what shape the castings are in, how well they are cleaned, whether the right parts were used, and what everything is set to.
If you want to stay with the 2 barrel, you are best rebuilding the original yourself. If you yourself purchase the rebuild kit for your exact carb numbers, you know you're doing it right (there are dozens upon dozens of different setups for these carbs). It is my experience that Napa sells the best carb rebuild kits. They are a little more expensive but they're more complete and have better parts. If you want the job done right and you want to avoid a giant list of problems, this is the way to go. A carb rebuild done by yourself should run $50 to $60 - figure $25 or so for a Napa kit, $20 for the gallon can of carb cleaner, a couple bucks for spray cans, and a few more bucks for a new fuel filter and base\spacer plate gaskets.
Senior User
Joined: Aug 2007
Posts: 448
Likes: 0
From: Winnfield,La.
I have at least 5 2v carbs that I will not rebuild just for the very reason Mil1ion stated.grab the shaft and force it up and down first spay lube it you will see the movement easier.Go new,I'm melting all my old one for the aluminum. get a motocraft.
New User
Joined: Jan 2008
Posts: 0
Likes: 24
From here $180-$225 for new
http://www.carburetorsdirect.com/cat...duct.asp?cat=9
It doesn't have to be a Motorcraft.
This site is off line right now.
www.vapinc.com/carbandkitsspeed/main.html
Put an Edelbrock or Holley 2v on it.
http://www.carburetorsdirect.com/cat...duct.asp?cat=9
It doesn't have to be a Motorcraft.
This site is off line right now.
www.vapinc.com/carbandkitsspeed/main.html
Put an Edelbrock or Holley 2v on it.
Last edited by Mil1ion; Dec 10, 2007 at 08:24 PM.
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MSEE
Joined: Apr 2004
Posts: 10,386
Likes: 35
From: Austin, TX
If you can find a brand new Motorcraft then by all means grab it but anything you buy like that is going to be a 30 year old carb that has been "rebuilt." Whether you get it from Autozone or some website like the ones listed, it's coming from a warehouse and was rebuilt out of a 30-year old core that the guy before you turned in. There isn't a parts house somewhere with shelves stacked of freshly cast throttle bodies for Motorcraft 2-barrels. Ford hasn't produce them since the early 80's.
Throttle shaft bores can indeed wear out and it's a problem. If yours has a lot of play then the carb is junk (I should have mentioned that). You have two options if that is the case: have a machine shop bore and bush the throttle body for you (how do you think the rebuild warehouses do it for "new" carbs?) or find a carb from a junkyard or eBay without throttle shaft bore wear and rebuild that one.
Of course, you can always get a non-Motorcraft carb too. I hear a lot of people are happy with the Holley 2V swap.
Throttle shaft bores can indeed wear out and it's a problem. If yours has a lot of play then the carb is junk (I should have mentioned that). You have two options if that is the case: have a machine shop bore and bush the throttle body for you (how do you think the rebuild warehouses do it for "new" carbs?) or find a carb from a junkyard or eBay without throttle shaft bore wear and rebuild that one.
Of course, you can always get a non-Motorcraft carb too. I hear a lot of people are happy with the Holley 2V swap.
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Thread Starter
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Mountain Pass
Joined: Jan 2006
Posts: 211
Likes: 0
From: Westminster, Maryland
This may come as somewhat of a 'shock' 
to some on this board, but...
I was not even driving until 1994 - so my experience with carburetored engies fall solely on this '77 I'm rebuilding.
Which brings me to my 'dumb'
question:
What is the difference between a 2-barrel and 4-barrel carb (besides, two more barrels)..? Is this an 'upgrade' I should look into? Does this get me anything extra or just going to cost me extra? This truck will simply be used to cart my rear-end to work and back, carry to dog around and basically keep me from putting 20k on my '06 a year. I have no intention on racing Honda Civic's with body kits, big exhaust tips etc...
If I was to go 4-barrel, would there be other things I have to change to this 302 powerhouse or does it simply replace the existing carb?
Sorry for the moronic questions, kick me off the board if you want... I simply do not know due to my lack of carburetored engine experience.
As always, you guys are GRRRRREAT!!! Thanks again!
to some on this board, but...I was not even driving until 1994 - so my experience with carburetored engies fall solely on this '77 I'm rebuilding.
Which brings me to my 'dumb'
question:What is the difference between a 2-barrel and 4-barrel carb (besides, two more barrels)..? Is this an 'upgrade' I should look into? Does this get me anything extra or just going to cost me extra? This truck will simply be used to cart my rear-end to work and back, carry to dog around and basically keep me from putting 20k on my '06 a year. I have no intention on racing Honda Civic's with body kits, big exhaust tips etc...
If I was to go 4-barrel, would there be other things I have to change to this 302 powerhouse or does it simply replace the existing carb?
Sorry for the moronic questions, kick me off the board if you want... I simply do not know due to my lack of carburetored engine experience.
As always, you guys are GRRRRREAT!!! Thanks again!
New User
Joined: Jan 2008
Posts: 0
Likes: 24
A 2v carb has larger Bores and Venturi'
A 4v has small primaries and larger secondaries.
A 2v carb will provide more torque at bottom end of RPM and a 4v will provide more HP at the top end of Rpm.
All you need is a 2V carb with about 480 -500 cfm
Make sure it matches which type of Transmission you have.
Electric/manual/vacuum choke ?
A 4v has small primaries and larger secondaries.
A 2v carb will provide more torque at bottom end of RPM and a 4v will provide more HP at the top end of Rpm.
All you need is a 2V carb with about 480 -500 cfm
Make sure it matches which type of Transmission you have.
Electric/manual/vacuum choke ?
Thread Starter
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Mountain Pass
Joined: Jan 2006
Posts: 211
Likes: 0
From: Westminster, Maryland
being as I have zero experience buying a carburetor and I need one sooooooon to get this baby running... could someone help me with which Holley 2v I am looking for?
The truck is a 77-F150-2wd-automatic-302 non electric choke
Thanks guys!
Happy Holidays!
The truck is a 77-F150-2wd-automatic-302 non electric choke
Thanks guys!
Happy Holidays!
New User
Joined: Jan 2008
Posts: 0
Likes: 24
Why does it have to be a holley ?
Why not an edelbrock ?
Have you looked on Holley's site for a 2v application ?
This is what I found.
http://www.holley.com/applications/C...elector/0-7448
Why not an edelbrock ?
Have you looked on Holley's site for a 2v application ?
This is what I found.
http://www.holley.com/applications/C...elector/0-7448
Last edited by Mil1ion; Dec 20, 2007 at 11:30 AM.
Thread Starter
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Mountain Pass
Joined: Jan 2006
Posts: 211
Likes: 0
From: Westminster, Maryland
[QUOTE=Mil1ion]Why does it have to be a holley ?
Why not an edelbrock ?
Have you looked on Holley's site for a 2v application ?
This is what I found.
http://www.holley.com/applications/CarburetorSelector/0-7448[/QUOTE]
It does not have to be a Holley - it was one of your suggestions and I also cannot locate a 2bl for this engine through Edlebrock.
The company you listed above, carburetorsdirect.com.......
Do you have any experience with them? Does anyone?
Why not an edelbrock ?
Have you looked on Holley's site for a 2v application ?
This is what I found.
http://www.holley.com/applications/CarburetorSelector/0-7448[/QUOTE]
It does not have to be a Holley - it was one of your suggestions and I also cannot locate a 2bl for this engine through Edlebrock.
The company you listed above, carburetorsdirect.com.......
Do you have any experience with them? Does anyone?