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Old 01-12-2012, 06:46 PM   #1
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Carb!!!:(

So I did the Mc2150 swap and Im getting a whopping 8 mpg i was getting better with my Carter POS. What's the deal?! I thought this was the end all be all for carb issues! I am at a loss.

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Old 01-12-2012, 06:56 PM   #2
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Plenty of jeepers have swapped their Carters for the M2150 without problem. Did you install a new one, a rebuilt one or a junk yard special? How did you install it? Do you have any photos of your swap and how you hooked up the vacuum lines? All of this information helps diagnose the problem.

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Old 01-12-2012, 06:58 PM   #3
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It was off my neighbors Ford Granada it is the 1.08. I'll get some pics up ASAP.
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Old 01-12-2012, 07:05 PM   #4
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Whats the problem guys???
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Old 01-12-2012, 08:37 PM   #5
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It looks like there is a vacuum line not hooked up or plugged. in the first picture, the square thing in the bottom right of the carb. I am not familiar with the carb, but it looks that way in the pic. Vacuum leaks can cause all kinds of problems.

I assume that you rebuilt the carb before putting it in.
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Old 02-05-2012, 01:37 AM   #6
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Yes sir. I am still in the dark as to why she wants to idle at 1000 after being warmed up.
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Old 02-05-2012, 02:52 AM   #7
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Gas gussler

Go with fuel injection. Dropped a 93 I6 into my 88. Pain in the duppa to do, but I get like 15 mpg.
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Old 02-05-2012, 02:44 PM   #8
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It sounds like you still have a vacuum leak... is there any noise present? squealing, sucking, etc. Is your choke adjusted right? How did you adjust your idle? Is there a secondary idle adjustment? Did you get a book on this carburetor to help you?

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Old 02-05-2012, 04:21 PM   #9
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Honestly I didn't do anything with the choke as far as switching it around. All I did was bolt it up adjusted the two idle adjusters on the bottom of the carb, then adjusted the choke a little bit, but never flipped it around. If I was to flip the choke spring around would it fix the problem???
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Old 02-05-2012, 07:35 PM   #10
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Although I didn't epoxy the little hole on the bottom hmm...
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Old 02-05-2012, 09:50 PM   #11
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Okay im thinkin this is my problem BUT, idk what it is
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Old 02-06-2012, 09:11 AM   #12
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Look guy,

If you are going to swap out a carburetor, it is your responsibility to research the swap and find out everything about it. Many jeepers have done this swap and rave at the performance and mileage it gives. They even list and document exactly how to do it. (Search for it here or on Jeep Forum.) You should have also bought a manual on the carburetor. I don't believe anyone has ever said, "Drop one in from a Granada and let it run. It will set itself."

Please don't misunderstand me... it seems you want to do this for the right reasons but you took a "low ball" way to do it. Changing carburetors and fuel injection systems ALWAYS involves other procedures because no two carbs are identical and no two fuel injection systems are identical. You have to do the work (mainly the research) to find out what to do correctly. It isn't simply bolting on the carb to the manifold. Good luck with this build. I believe that once your carb is "dialed in" you will enjoy it a lot better.

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