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Unread 01-28-2013, 01:33 PM   #1
Birddog5150
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1983 CJ7 
 
Join Date: Sep 2012
Location: Williamsburg, Ohio
Posts: 11
Mc2100 or mc2150

I am planning on buying one of the carbs of the "Ebay guy" for my CJ7 258

Which carb would be better? The MC2100 rebuilt or the new MC2150 he offers..

New always seems better, but I did not know if the MC2100 was better than the 2150 or not..
Any advice is appreciated..

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Unread 01-28-2013, 01:50 PM   #2
walkerhoundvm
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1981 CJ8 
 
Join Date: Apr 2010
Location: The Little Apple, KS
Posts: 3,090
Both are rebuilt - they aren't making these things new after all. It's my understanding the 2150 has an additional internal feature which allows it to function well across a range of altitudes; with the 2100 you're more dependent on changing out the jets if you change altitude with any frequency. Don't imagine you see much change of elevation in Ohio, but it's up to you which one you go with.
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Unread 01-28-2013, 01:59 PM   #3
Birddog5150
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1983 CJ7 
 
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Location: Williamsburg, Ohio
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The ad said new for the MC2150
Not much elevation to worry about here..
Thanks for the info.
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Unread 01-28-2013, 02:06 PM   #4
hmantractors
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1979 CJ7 
 
Join Date: Jul 2011
Posts: 81
2150 motorcraft carb

Quote:
Originally Posted by Birddog5150 View Post
I am planning on buying one of the carbs of the "Ebay guy" for my CJ7 258

Which carb would be better? The MC2100 rebuilt or the new MC2150 he offers..

New always seems better, but I did not know if the MC2100 was better than the 2150 or not..
Any advice is appreciated..
I WENT WITH THE 2150 WITH NO REGRETS. HE WAS A GREAT GUY TO DEAL WITH. GET IT WITH THE ELECTRIC CHOKE. COMES WITH #47 MAIN JETS. IT TOOK VERY LITTLE TO ADJUST MIXTURE, WAS VERY CLOSE. YOU WILL NOT REGRET IT.
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Unread 01-28-2013, 02:41 PM   #5
warrior1670
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1986 CJ7 
 
Join Date: Nov 2008
Location: Pittsburgh, PA
Posts: 149
I bought a new 2150 from the eBay guy! Fantastic! Ill probably be selling mine in a few weeks. I'm swapping a 95 fi 4.0in. I've got about 2000 miles on the carb.
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Unread 01-28-2013, 03:52 PM   #6
capt205
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1983 CJ7 
 
Join Date: Aug 2012
Location: Florida, FL
Posts: 361
I got the 2150...it looks brand new.

Changed the jets from 49 to 47, and the power valve from 8.5 to 6.5, now runs perfect.

I'm happy with the carb.
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Unread 01-28-2013, 06:48 PM   #7
Birddog5150
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Location: Williamsburg, Ohio
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Should I mention to the guy about the jet and PV size or let him
Send what he sends?
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Unread 01-28-2013, 06:55 PM   #8
walkerhoundvm
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Join Date: Apr 2010
Location: The Little Apple, KS
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You'll fill him in on your engine and any modifications, where you're located and what you plan to use it for (daily driver, etc), and he'll know enough to put the right jets in.

Just a warning, though, his after-sale support is minimal at best. He does provide good install instructions on a disc, and the carb isn't that hard to install and set up anyway, but if you have unforeseen problems like not running right, he's tough to get ahold of.
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Unread 01-29-2013, 08:02 AM   #9
Birddog5150
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Thanks for all the info..
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Unread 01-29-2013, 08:49 AM   #10
capt205
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Also...Initially, I went with the throttle cable setup he included, which kept the pull down setup, but have since ditched all that for the shorter V8 throttle cable, and it is now rear pull. All that pull down bracketry is now gone, and much cleaner looking.

Do the short cable for sure.
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Unread 01-29-2013, 12:58 PM   #11
wm69
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Join Date: Jun 2003
Posts: 3,093
If you look around for junkers you could probably get a MC21XX cheap. I got mine for $25-50 each. Take them apart, put in a $20 rebuild kit, and throw it on the Jeep. Pretty much any Ford or Mercury with a V6 from the early 70's on will have a MC21XX.
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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
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Unread 01-29-2013, 07:47 PM   #12
jtad
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1980 CJ7 
 
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Location: dublin, texas
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I bought a 2150 from Ebay guy. It looks brand new. Was tuned perfect, I couldn't get it any better than the way he sent it. I did have a little issue with the trottle shaft, but no big deal. I emailed him about it, he answered right back with his phone number if I wanted to call. And even an offer to refund some of my money because I had to work on the carb a little.. But like I said it was no big deal, easy fix and I declined the refund.. But super guy to deal with..
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