New Carb?.?.
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Senior User
Joined: Jan 2011
Posts: 145
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From: Dothan, Alabama
New Carb?.?.
I have a 78 f150 with 351m in it. It has a motorcraft 2 bbl carb. It leaks some and have a small amount of gas that sits on the manifold. I want to change the carb but wonder if I should really switch to a 4 bbl on the account of it drinking more gas and having to buy a new manifold.
So should i go back with a 2 barrel or 4? I have an edelbrock 3 inch air filter on top of it. If I do go with a 2 barrel...should I go back with motorcraft or get an edelbrock?
I have never done anything with carbs so my knowledge is very minimal.
Money is also an issue. I can spend some but would like to stay conservative about it.
So should i go back with a 2 barrel or 4? I have an edelbrock 3 inch air filter on top of it. If I do go with a 2 barrel...should I go back with motorcraft or get an edelbrock?
I have never done anything with carbs so my knowledge is very minimal.
Money is also an issue. I can spend some but would like to stay conservative about it.
MSEE
Joined: Apr 2004
Posts: 10,386
Likes: 35
From: Austin, TX
If you need to save money, then rebuild what you've got.
A 4-barrel is actually more fuel efficient than a 2-barrel, because they typically have smaller primaries, which you can drive on most of the time if you keep your foot out of it. But if cost is an issue, then it makes no sense to make an unnecessary performance upgrade just to fix a very simple problem.
A 4-barrel is actually more fuel efficient than a 2-barrel, because they typically have smaller primaries, which you can drive on most of the time if you keep your foot out of it. But if cost is an issue, then it makes no sense to make an unnecessary performance upgrade just to fix a very simple problem.
Post Fiend
Joined: Mar 2011
Posts: 8,501
Likes: 4
From: Lynchburg, VA
x3 on the rebuild. Carbs are actually very simple.
Workings of the Motorcraft 2150:
Motorcraft 2150 2V internal systems
How to rebuild a Motorcraft 2150:
http://www.therangerstation.com/tech..._2150_carb.pdf
Read both of those, print out the second for reference, get a rebuild kit and a gallon of carb cleaner, and your set.
Workings of the Motorcraft 2150:
Motorcraft 2150 2V internal systems
How to rebuild a Motorcraft 2150:
http://www.therangerstation.com/tech..._2150_carb.pdf
Read both of those, print out the second for reference, get a rebuild kit and a gallon of carb cleaner, and your set.
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 83
From: NorCal
4x with the FTE vets. Rebuild.
A rebuid kit is about $25, a gallon of Chem-tool is another $20 or so. Set up a clear/clean work area, read instructions to familiarize yourself with the steps, take pics as you go for reference, and next thing you know it's done. Call it an investment towards expanding your breadth of knowledge.
A rebuid kit is about $25, a gallon of Chem-tool is another $20 or so. Set up a clear/clean work area, read instructions to familiarize yourself with the steps, take pics as you go for reference, and next thing you know it's done. Call it an investment towards expanding your breadth of knowledge.
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