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Carburetor identification

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Old Oct 24, 2021 | 01:32 PM
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Carburetor identification

First of all, to try and avoid wasting anyone's time I did try the "advanced search" before post this, and general Google searches.

I just picked up this 74 f250 390 and as far as I'm aware it's stock. I'm also only 24 years old and don't know much about these at all. About a year or two at the shop I had some fun stuff with a 460 but that's about it. I took photos that made sense to me yo try to help with identification.

I need to rebuild the carb but I need to identify what carb it is for the kit I need to get. This SOB leaks gas bad and she won't idle at all.

ill be browsing the forum after this for how to properly adjust the carb after I'm done with the rebuild but if you happen to have great resources for it drop them here.



 
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Old Oct 24, 2021 | 01:42 PM
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Looks like a Motorcraft 2100 to me.

Here's mine as a reference.




I used this rebuild kit...
Amazon.com: Walker Products 15369D Carburetor Kit : Automotive Amazon.com: Walker Products 15369D Carburetor Kit : Automotive

Mikes Carburetor has a quality kit also for the 2100/ 2150 carb's
 
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Old Oct 24, 2021 | 02:14 PM
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I believe Flecker is correct. I have a 2150 and it looks a little different. So I would have to guess you’ve got the 2100 also.


 
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Old Oct 24, 2021 | 03:49 PM
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Welcome to FTE, @darbstew! Flecker is correct. Your carb is a Motorcraft 2100D. That carb was used on '73 and '74 360 and 390 engines. The choke assemblies and some of the connections differ from vehicle to vehicle, but it's the same basic carburetor.

Drop by your local auto parts store and buy a carburetor rebuild kit. The sales person will ask you all the right questions to make sure you get the right kit. If the kit does not come with a base gasket, buy one (although most kits do come with them). Also buy the gasket that goes between the EGR plate and the intake manifold. Might as well replace it while you have it all apart. Replace your fuel filter, too. Your truck may have originally had a drop-in fuel filter cartridge inside a canister attached to the fuel pump (mine did), but I can see that yours has been changed to a screw-on type. The parts catalog only lists the original part, not the screw-on type you (and I) have now. When I replaced mine, I bought a filter for a '73 Galaxie with 400-2V V8 and it works perfectly. I think all of the 2100-series carbs used the same screw-on filter. Inspect your vacuum hoses. If they are dried out or cracked, replace them. Vacuum leaks can sometimes be a real bugger to track down.

When you remove the carb from the engine, work slowly and carefully, and don't force anything. Be sure to take pictures of how everything is connected so you can refer to them when it's time to put it all back together. Bag and tag all of the little bits that you remove. Also a good idea to take some blue painter's tape and mark all of the hoses as to where they go.

To clean your carb's parts, I recommend you buy a gallon can of Berryman's Chem-Tool (with the dip basket). The auto parts store will likely have it. Rebuild kits come with detailed instructions. Follow them carefully and you'll be fine. If you get stuck, you have lots of new friends here on FTE who are ready to help you.
 
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