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Old 04-10-2013, 11:47 AM
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irishredcoat irishredcoat is offline
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Help with my 72 F250 carb

My truck has problems starting. It will turn over after a few seconds, idle rough than stall out. I do this 2-3 times and eventually it will idle correctly and stay running. I read a post and one member suggested to a guy that it was an issue with the choke. I am not very knowledgeable about engine repair but I am a fast learner. Any info you need to help me out, I will do my best to provide. Thanks
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Old 04-10-2013, 01:32 PM
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There is usually a thermostatic, bi-metallic spring that shuts the choke mechanism when it's cold, and opens when warm.

The choke shaft gets crudded-up, along with the little inter-connecting rods, and needs to be cleaned.

This is the job of an aerosol can of "Choke Cleaner", available at your favorite Pep Boys or similar.

Go get a can and report back with the carb's "make". It should be Motorcraft or Holly (or similar).

Pick up a pair of nitrile gloves somewhere along the way, too.

We'll get you through this.

If you're close enough to one of us, maybe someone will drop by with a hands-on tutorial.

Pop
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Old 04-10-2013, 02:04 PM
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Thanks Pop and nice to meet you. I know its a motorcraft but not sure which one. It has the housing for an electric choke (some of it) but it was converted to a manual choke and its home made. I was just researching the MC 2150 and learning about the different parts of the carb so what your saying sounds familiar but I will have to look at a diagram. I will take a picture of it when I get home tonight. I live in Riverside. Thanks again
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Old 04-10-2013, 02:32 PM
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If you know how to use them, manual chokes are to be preferred!

That goes for a LOT of stuff, btw!

Not sure who we've got in the Riverside area that can assist, but SOMEONE will stumble along who knows carbs.

Otherwise, we'll do it here, over the interwebz.

First thing you'll want to do is pull off the air cleaner so we can see what we're dealing with.

Got the aerosol can in hand?

Pop
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"Some of us pride ourselves on the money we've spent on our trucks, and some of us on what we have NOT"
2000 F350 Lariat 7.3,A/T,CC,LB,4X4,SRW, CCV, Sonnax/springs, Dahl, spin-on trans filter, spin-on hydraulic filter, coolant filter, 6637 & cover, bypass lube oil filter, HPX, Hutch n' harpoon.
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Old 04-10-2013, 09:03 PM
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I wont be able to work on her until this Saturday, I work 10+ and i get home too late to crank her up or anything. I will check back in periodically over the next few days and come Saturday I will be ready to proceed. I didnt expect anyone to answer so fast, Your Awesome Pop!
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Old 04-11-2013, 01:18 AM
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wpnaes wpnaes is offline
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Yeah, we like to keep 'Awesome Pop' around for these types of challenges!
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Old 04-11-2013, 01:18 AM
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