MC2100 has openings not covered by adapter plate - JeepForum.com

 
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post #1 of 10 Old 12-31-2009, 11:11 AM Thread Starter
CJFF29
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MC2100 has openings not covered by adapter plate

Was looking for some guidance here. I bought a used MC2100 off of Ebay hoping to put it on my 258. Pretty straight forward so far right. I did some research and bought the proper adapter plate and manual throttle. When I flipped the carb over it looks to have open areas that dont get covered up by the adapter plate, the guy at Napa(auto parts store) said it was a newer one and that might be the issue. Long and short.... can I use this one and if so how or do I need to go find another one.
Thanks

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post #2 of 10 Old 12-31-2009, 01:24 PM
wm69
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Yep, get a manifold to carb spacer. It will go between the carb and adapter and close that gap up. napa has them.

Phenolic spacer. My rebuild kit came with one.

85 CJ7 258, borla header, Team Rush, MC2100 ,optima batt, Warn 8274, agr super box 2 & pump, T5 w/ B&M shifter, centerforce 2, superior 1 piece axles, warn hubs 2.5 in lift, 31" BFG MT

85 CJ7 258, A/C, T176, MC2100, Team Rush, Warn XD8000i, superwinch hubs, 3in lift 31" BFG AT/KO

Last edited by wm69; 12-31-2009 at 02:26 PM.
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post #3 of 10 Old 01-02-2010, 06:57 PM
Supertrucker
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Same here. It came in my rebuild kit. I have also been told that some factory Ford applications had this spacer and it was drilled for an extra vacuum port. I'm going to look for one of these next time I hit the junkyard.
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post #4 of 10 Old 01-03-2010, 07:59 AM Thread Starter
CJFF29
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Ok so I take the carb to Napa and we look up the correct rebuild kit for this year carb. He started laughing and said the kit is $65. Why would this be almost 3X more than other kits? Can I use one of the kits for an older carb since I am gonna use a manual choke set up.
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post #5 of 10 Old 01-03-2010, 10:08 AM
_Kyle_
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The kit Napa tried to get me yesterday was $28 and some change. PN 3-965A. They said it was for the 2100 Motorcraft Carb.

-Kyle

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2005 Wrangler Rocky Mountain Edition
RIP Troy (bigbluezj94)
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post #6 of 10 Old 01-03-2010, 11:10 AM Thread Starter
CJFF29
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Awesome.... I will be stoppin by there first thing tomorrow. Now I will just need this weather to warm up so I can get the intake/exhaust man. Back on and see if I can get this thing running again.
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post #7 of 10 Old 01-03-2010, 11:44 AM
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Quote:
Originally Posted by CJFF29 View Post
Awesome.... I will be stoppin by there first thing tomorrow. Now I will just need this weather to warm up so I can get the intake/exhaust man. Back on and see if I can get this thing running again.
NP. Don't count on them having it in stock. The closest ones to me were 2-3 hours away. They should be able to find yours using their computers by looking up the vehicle. Don't call on the phone, they are lazy and rude when you do and won't put any effort into it. I hate NAPA for this reason, that and most of the parts jockeys think you are ignorant when you go in there trying to find something that's not super common or easy and refuse to help you. /rant.

I ended getting a kit at O'Reilly. I went to Autozone since I know the guys there well and they didn't have it. But I went in back to grab something and by the time I can up front, they had already called O'Reilly and had one on hold for me! Talk about service. The O'Reilly kit is OK at best (at least it's made in the USA). My carb does function 100x better, but they don't include an air cleaner gasket or a new choke pull off diaphram...and you will most like destroy yours take it off. Autozone has them for $8 though...but I just sealed mine up. Other than that, it's not too bad...take photos when you take it apart though, LOTS. So you get the linkages right. Also, reset the idle mix screws to the STOCK settings or it won't run worth a **** (it's 2 turns out from setting it). Also make sure you use the new power valve gasket or it will pour fuel all over the intake and it'll take a while to figure out where it's coming from.

EDIT: The O'reilly PN is WLK 15654 @ $36.99.

-Kyle

1996 Grand Cherokee
2005 Wrangler Rocky Mountain Edition
RIP Troy (bigbluezj94)
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post #8 of 10 Old 01-03-2010, 12:12 PM Thread Starter
CJFF29
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Thanks for the info. The guys at my napa aren't super fast but usually do the best they can. This will be my first attempt at tearing down a carb so it should be interesting. I thought about just putting it in as is without the rebuild since it looks to be in good shape but will probably be better off just putting the time in and learning something. Just seems like the more I try to fix simple stuff it turns into more complicating and more expensive than I have money or skill for.
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post #9 of 10 Old 04-15-2010, 04:00 AM Thread Starter
CJFF29
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Just realized my carb does not have the fuel inlet nut. was wondering what size it is so I can pick one up while I am at work. It is smaller than the one off my Carter which I was hoping to use. Thanks for the Help>
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post #10 of 10 Old 04-15-2010, 07:48 AM
Skerr
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My carb kit was from NAPA... cost around $30. I was not confident that they gave me the right kit! I know a guy that works there so I trusted that he was correct. It seems to me that my kit was created to rebuild more than my specific carb. I think it covered different models. For example, my new power valve did not fit my carb. All this doesn't mean anything, but a little heads-up. The rebuild wasn't hard... very interesting. Good luck.

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