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  #1  
Old 02-11-2001, 07:30 PM
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Default Motorcraft 2100/2150 Question

So , what is the difference between the 2100/2150 ? I`m going to rebuild mine and I looked at it today and there is not a whole lot of markings or numbers on it at all .How do you even tell which one you`ve got ?


Jeff

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Old 02-11-2001, 08:21 PM
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Default Re: Motorcraft 2100/2150 Question

If I remember correctly the 2150 has an "Altitude compensation module" on it and that's the only real difference.

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Old 02-12-2001, 02:04 AM
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Default Re: Motorcraft 2100/2150 Question

[img]/wwwthreads_images/icons/tongue.gif[/img] The spook has this one pegged. The 2150 has an aneroid for altitude compensation.[img]/wwwthreads_images/icons/crazy.gif[/img]

CJDave
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Old 02-12-2001, 11:31 AM
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Default Re: Motorcraft 2100/2150 Question

Do you guys happen to know what the CFM is on the 2100 ? Sorry for being a pest [img]/wwwthreads_images/icons/tongue.gif[/img]


Thanks


Jeff


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Old 02-12-2001, 03:12 PM
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Default Re: Motorcraft 2100/2150 Question

From my understanding there are three different cfm ratings for the mc2100, depending on what engine it came of of.It should have a number stamped on it that is somewhat blocked by the acel pump linkage.
1.08=450 cfm
1.14=520 cfm
1.21=575 cfm
1.08 being the desired size for a 258.Actually I have a question to about the mc2100. I got a 2150 off a mid 80s ltd with a 3.8L v6 and was wondering if a could use this instead of the one of a 302 or 304. It has the right ventrie size(1.08), the only thing is a cant fiquer how to set the idle set or fast idle. It does have any screws that you can turn in. It just has a electric thing witha plunger on the end like the solvac idle unit on my bbd. Does this mean that a computer controls the idle and fast idle speed. Thanks

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Old 02-12-2001, 09:35 PM
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Default Re: Motorcraft 2100/2150 Question

I "think" it's in the mid 300 range but wouldn't bet my life on it.

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Old 02-12-2001, 11:38 PM
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Default Re: Motorcraft 2100/2150 Question

[img]/wwwthreads_images/icons/smile.gif[/img] The electric plunger dohicky IS an idle solenoid. The Ferds had a real problemo with "run-on" after you turned off the key, so that solenoid drops the throttle plates to ZERO to stop the engine from "dieseling". You can just set your idle off the plunger with the plunger unhooked. You adjust the idle by moving the solenoid. You can energize the solenoid if you want extra fast idle by using a switch if so desired, OR....you can use it with the ignition just like the Ferds did.[img]/wwwthreads_images/icons/crazy.gif[/img]

CJDave
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  #8  
Old 02-13-2001, 08:40 AM
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Default Re: Motorcraft 2100/2150 Question

is there a book or manual that covers tuning the motorcraft carb
this would also probably explain all the other details

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Old 02-13-2001, 09:35 AM
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Default Re: Motorcraft 2100/2150 Question

[img]/wwwthreads_images/icons/smile.gif[/img] You could check a Haynes Manual for Ferds. That should go into detail. In fact, my Jeep CJ Haynes has it because they used those carbs on the 304. There is a section on overhaul and adjustment of the 2100/2150 carbs in the CJ Haynes "Fuel Systems" chapter.[img]/wwwthreads_images/icons/crazy.gif[/img]

CJDave
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  #10  
Old 02-13-2001, 10:44 AM
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Default Re: Motorcraft 2100/2150 Question

CJDave, what is an aneroid? Brendan

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