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post #1 of (permalink) Old 10-27-2007, 07:00 PM Thread Starter
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Mc2150

ok so i installed a mc2150 out of a 81 f150. now i am wondering if anyone has a good vacuum diagram. my jeeps vacuum lines are a messed up and wrap around the enging like 3 times and then are caped. its so sad.some are just rotted off. i bought the jeep from a buddy and some stupid stuff that just doesnt make sense has been done. even if someone that has this carb could take a pic of there engine bay and highlight the vacuum lines so i can see what is supposed to go where. i just want to do it right and make sure its gonna be reiable (isnt that why people do this swap). i found a couple that explain where stuff is suposed to go for the carb, but i pretty much need all the vac lines on the jeep to make sure everything is right.

so any help is appreciated
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post #2 of (permalink) Old 10-28-2007, 07:11 AM
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Smile Vacuum Smackuum

I have a complete vacuum layout for the AMC V8, but that won't do you much good. I'm sure that your YJ would have way more spagetti that the AMC ever thought of having.

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post #3 of (permalink) Old 10-28-2007, 10:14 AM Thread Starter
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ya its definatly quite a mess... thats why i am hopeing and praying that someone will come to my rescue.
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post #4 of (permalink) Old 10-28-2007, 10:22 AM
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Does autozone.com have a vacuum diagram? I know they have wiring diagrams.

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post #5 of (permalink) Old 10-28-2007, 06:28 PM Thread Starter
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they do... but im not sure what some of the stuff is, and if it is all actually needed. plus its the mc2150 carb not the stock one. guess i will have to go that route if no one can help, but im hopin
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post #6 of (permalink) Old 10-28-2007, 07:54 PM
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What other emissions stuff are you leaving on the engine? I have the MC2100, but aldo have GM HEI. I only run a couple of vacuum lines to the dist, pcv, and charcoal canister. I can lay it out for you if you'd like.

Is this the only hammer you've got?
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post #7 of (permalink) Old 10-28-2007, 08:01 PM Thread Starter
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that would be awesome... im not worried about emmisions crap, i dont have to get it tested anymore. i will be doing the hei as soon as money permits, which will hopefully be soon. there shouldnt be too many differences in the mc2100
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post #8 of (permalink) Old 10-30-2007, 10:31 PM
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Sorry got sick the other day. I am off tomorrow and will try to post up something.

Is this the only hammer you've got?
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post #9 of (permalink) Old 10-31-2007, 05:05 AM Thread Starter
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thanx. im hopeing to work on it this weekend if the weather is nice. i really appreciate it
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post #10 of (permalink) Old 11-03-2007, 05:48 PM
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Ok, here's what I have on the MC2100.

Front of carb: Top large 5/16 bowl vent. To "carb bowl" fitting on charcoal canister.

Pas. side of carb: I only have one "ported" vacuum source here, located towards the front of the carb. To: a "T" which goes to my distributor vacuum and also to the "dist vac" fitting at the charcoal canister.

Rear of carb: Large manifold vacuum at the lower driver's side of carb. To: PCV valve. PCV valve is a "T" style and the other line runs to the "PCV" fitting at the charcoal canister. I also have a smaller manifold vacuum fitting at the pas side rear of the carb. This has a small hose that connects to a vacuum pod mounted to that corner of the carb that helps operate the choke.

I installed a brass fitting in the intake manifold itself to pull vacuum for my brake booster.

The only other line I have is the vent line from the fuel tank to the "fuel tank" fitting on the charcoal canister.

Hope this helps you. I didn't take pics, but may be able to get some of most of these places if you need them.

Is this the only hammer you've got?
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