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Unread 06-24-2005, 09:37 PM   #1
bcar240
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Good price for MC2100

I am looking at getting a MC2100 carb for my 258. What is a good price to be looking for. I found one for $275 that looks decent, but I am not sure what they normally go for or anything. Thanks!

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Unread 06-24-2005, 09:50 PM   #2
wm69
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Quote:
Originally Posted by bcar240
I am looking at getting a MC2100 carb for my 258. What is a good price to be looking for. I found one for $275 that looks decent, but I am not sure what they normally go for or anything. Thanks!
For that kind of money get a weber. You can get a 2100 for @ $20 on ebay. You just need to find an old ford with a 1.08 2100 or 2150. You can also look for a 2100 off of an old jeep with a V8. You can rebuild the 2100 yourself and get a working knowledge of how it works so next time you can do it yourself. I have always been terrified of working on carbs because I was scared I would screw something up and have to have it towed to a mechanic to have them finish the job. I got my 2100 from a seller 469cu or 460ci (can't remember which) on ebay for $20, adapter for $15 from summit racing, air cleaner from autozone for $20, factory V8 throttle cable for 80 and up CJ7 (use this cable and you don't have to fab any kind of linkage; it just snaps on and go) and rebuild kit from autozone for $18. I took the carb apart really slowly at first and had planned to write down which part went where so I could reassemble it properly, but as I started taking it apart I realized that the 2100 is about like a 5 and under kids puzzle. It's really obvious where stuff goes. I've never done any kind of carb work but I put the thing back together in under 30 min. It fired right up and runs great, and now I know if I have any problems with it I can just rebuild the thing instead of taking it to someone. There are a hundred writeups on the web on this so there's a ton of info on it. It's easier than you would ever think it could be.
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Unread 06-24-2005, 09:56 PM   #3
Geer_hed
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Quote:
Originally Posted by bcar240
I am looking at getting a MC2100 carb for my 258. What is a good price to be looking for. I found one for $275 that looks decent, but I am not sure what they normally go for or anything. Thanks!
You're looking at the guy selling them as kits on Ebay aren't you? You can get a used Motorcraft/Autolite 2100/2150 for much less, you just have to be patient, know where to look and what to look for. Like wm69 said, for that kind of money you can get an even better carb without trying.

Problem with the guy on ebay is he uses his profits from selling his kits to buy up all the other 2100s up for auction. I'm not kidding, you can usually find he is the highest bidder on numerous 2100s at any given point and time. Good for him, but bad for anyone trying to get a decent price on a used carb. You used to be able to get a decent 2100 carb for $20+shipping, but that's usually only if it slips under that guy's radar (mehrmann or something like that...).

Motorcraft 2100s were used for decades on many many models. Keep looking, if you can deal with used and maybe rebuild yourself, you'll save a good chunk of change off that $275.
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Unread 06-24-2005, 10:18 PM   #4
bcar240
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Quote:
Originally Posted by Geer_hed
You're looking at the guy selling them as kits on Ebay aren't you? .
Ya, lol. I just searched for the carbs and his page seemed really honest and I knew he was too good to be true, way overcharge. He has quite the monopoly there on ebay. I will be looking for another. If you guys know of any online placs that have any good deals, I would appriciate it. I rebuilt a go-kart carb a few months ago, so it can't be too much harder, I would give that a shot if I could get one for cheap. Also want to put a manual choke on it, but that seems pretty straight-forward. Thanks, this is why I love this forum!
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Unread 06-25-2005, 12:22 AM   #5
Jeep44
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I am buying one from pep boys, $141 plus $15 core. Part number is 9114.

Hope this helps
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Unread 06-25-2005, 02:15 AM   #6
Geer_hed
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Quote:
Originally Posted by bcar240
Ya, lol. I just searched for the carbs and his page seemed really honest and I knew he was too good to be true, way overcharge.
Oh no, he seems like a very honest guy. I actually looked in to picking up one of his carbs a while back before he started his ebay enterprise. Says he tests and tunes them on his vehicle before shipping, and provides everything needed to convert from the carter not to mention support if you need it, but the price is just not worth it by any stretch of the imagination. Even rudimentary understanding can get by for almost half that amount if a used carb can be had...
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Unread 06-25-2005, 06:19 AM   #7
bcshepard
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he buys junk carbs eh? Good I've got like 5 junko 2100's that I wouldnt even rebuild I'll put them on ebay for him.
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Unread 06-27-2005, 12:13 PM   #8
mxg342
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Quote:
Originally Posted by Jeep44
I am buying one from pep boys, $141 plus $15 core. Part number is 9114.

Hope this helps

I'm pretty sure that advance auto only wants $120 plus a $20 core.
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Unread 06-28-2005, 10:34 AM   #9
coas
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The advantages of buying from this guy are that you don't have to do the legs work, he's adjusting the carb for 258, i.e. jet's, power valve, and more important, he assume all responsibility for all the components.
if you don't have access to salvage yard or time, it's a good option.
This was convincing for me despite the price.
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Unread 06-28-2005, 10:49 AM   #10
CJ5_Fan
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Holly is remanufactuing this carb. You can reach them at 888-465-5395

The part numbers are as follows:

for a 1.08 2100 w/ heat choke, use 64-5305 for an electric choke, use 64-5176

Other valid numbers with varying heat or electric choke setups include 64-5177 and 64-5170

If you want a 2150 with 121mm venturie, use 64-5308.

Note: you cannot buy direct from them, but any kragens, autozone, pepboys etc... can use these numbers to get if for you. Calling Holly direct is only usefull to verify your carb number and it's availability. Some are stocked, some are built to order.

I got th 64-5308 from Kragens Auto out the door for $167
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Unread 07-13-2005, 08:46 PM   #11
CJ Fanatic
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Quote:
Originally Posted by CJ5_Fan
Holly is remanufactuing this carb. You can reach them at 888-465-5395

The part numbers are as follows:

for a 1.08 2100 w/ heat choke, use 64-5305 for an electric choke, use 64-5176

Other valid numbers with varying heat or electric choke setups include 64-5177 and 64-5170

If you want a 2150 with 121mm venturie, use 64-5308.

Note: you cannot buy direct from them, but any kragens, autozone, pepboys etc... can use these numbers to get if for you. Calling Holly direct is only usefull to verify your carb number and it's availability. Some are stocked, some are built to order.

I got th 64-5308 from Kragens Auto out the door for $167
How sure are you of these part numbers? I've been looking far and wide for this information. I didn't want to order a carb only to find out it has the wrong venturi size. If these part numbers are absolutely correct, thanks. You are the man.

Which style choke does everyone recommend?
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1977 CJ5, '75 258, Motorcraft 2150 carb, HEI dizzy, BDS 2.5" suspension, 3/4" Daystar Rock Krusher Greasable shackles, M.O.R.E. steering brace, Flaming River steering shaft, Tie rod flip, Yukon AMC20 axle kit, 1.5" Trail Sport wheel spacers, 15x10" Black Cragar soft 8s w/ 33" Yokohama Geolander MTs, Goodridge SS brake lines, Classic Tube stainless hard lines, YJ power brake with front disc upgrade (had 4 wheel drums)
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Unread 07-13-2005, 11:55 PM   #12
CJaredo7
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I have about 50 bucks in my MC2100....AFTER rebuild kit and throttle linkage and a big air cleaner mount.....

Where in the world are you getting that ridiculous price from?
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Unread 07-14-2005, 09:32 AM   #13
CJ Fanatic
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What would you do? New Holley 350 2bbl or remanufactured Motorcraft 2150 1.08 venturi. Putting on 258 stock.
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1977 CJ5, '75 258, Motorcraft 2150 carb, HEI dizzy, BDS 2.5" suspension, 3/4" Daystar Rock Krusher Greasable shackles, M.O.R.E. steering brace, Flaming River steering shaft, Tie rod flip, Yukon AMC20 axle kit, 1.5" Trail Sport wheel spacers, 15x10" Black Cragar soft 8s w/ 33" Yokohama Geolander MTs, Goodridge SS brake lines, Classic Tube stainless hard lines, YJ power brake with front disc upgrade (had 4 wheel drums)
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Unread 11-11-2009, 07:39 AM   #14
danshamblin
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I bought one of the MC 2100 kits from the guy on ebay, $300 with shipping. I had very little experience with carbs so I was wieghing the price against having to use a mechanic. It turned out amazing, the guy includes everything you need for this carb to work perfect for your jeep, he also has instructions on the whole swap. The instructions aren't the best but I was able to do it. All the stupid problems, rough idle, stalling, dieseling, are now gone. Plus I feel like I have a little more power. Although I could have done this for less $$ if I knew what I was doing, I am really happy with how it turned out.
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Unread 11-11-2009, 08:07 AM   #15
ElZorro
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Quote:
Originally Posted by CJ Fanatic View Post
How sure are you of these part numbers? I've been looking far and wide for this information. I didn't want to order a carb only to find out it has the wrong venturi size. If these part numbers are absolutely correct, thanks. You are the man.

Which style choke does everyone recommend?
Here is a Holley doc that lists that part number as being a 2100.

http://www.holley.com/data/Catalogs/Reman/10.pdf
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