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  1. Jeep CJ Forum
    1980 CJ5 258 cid manual tran Just replaced the Carter BBD with a MC2100 knock-off from China. This carb is the 1.08 venturi with #49 jets. Installation went well and Jeep starts right up. Problem is idle speed is very fast and I can't get it lower. I have turned the idle speed screw way out...
  2. Jeep CJ Forum
    So if you have been following my discussions lately you would know that I am trying to make this 304 run good! Recently I have had a MC2100 carb on the 304 and it ran well except for a backfire and bogging from idle to WOT in neutral and while driving. Now I decided to put the Edelbrock 1406...
  3. Engines & Drivetrain
    Drove the jeep to a park. Tried to leave and it cranks, but won't start. Smell gas. Had it towed back to my place and started ruling things out (I'm a novice) . . . I've got spark. I determined this by inserting a screw driver into plug from cylinder 1 (screw driver inserted to plug, and...
  4. Jeep CJ Forum
    I have a 1978 CJ7 with the 304 V8. It has an Edelbrock 4 barrel carb and it has always taken a LONG time to crank, like it was fuel starved. Over a year or so, I replaced the fuel pump and all of the fuel lines going back to the tank. I found a leak in the fuel line back near the tank and I...
  5. Jeep CJ Forum
    Hello All, I am new to this forum, and new to CJ's. And, new to tinkering with an inoperable vehicle (aka, a noob). A friend sold me a 1983 CJ7 that has been sitting in her garage for about 8 years for $800. The jeep was apparently running fine before storage. Before garaging, it had a used...
  6. New Members/Introductions
    Hello, I've grown up working on stuff, but am getting over my head on this project. I have a 78 CJ5 with at 304. Bought it used a few years ago. It ran fine until recently, and I've noticed the following issues. After I let it sit for 4-5 days, it won't turn over when I crank. Seems like...
  7. Engines & Drivetrain
    Hello everyone. I have a 1978 CJ-7 with the ole standard 304. I have what I believe to be a factory correct Motorcraft carburetor that is shot. Can anyone give me some advice on what make/model of carburetor to replace it with? I do not need anything extremely high performance or anything...
  8. Jeep CJ Forum
    OK. So I have an 86 CJ-7, 258 w/ Carter BBD. Typical setup. It acts like the carburetor is plugging off as has been described in many posts. So I removed and cleaned the venturi tubes, idle tubes, nozzles, etc. It runs fine for 5-10 miles, then starts to run rougher and rougher at idle, until it...
  9. Jeep CJ Forum
    I'm currently in the long process of cleaning parts on my 85 CJ7 project (https://williamhlugg.wordpress.com/2016/07/09/back-from-the-lost/). While I'm sitting at the sandblasting cabinet, I've been thinking about the relative merits of EFI vs a carb for the Chevy 4.3L V6 that will be going...
  10. YJ Wrangler Technical Forum
    Hey everybody, I have an 89YJ and recently just went to get my Emissions done and failed. It stated my Carbon monoxide reading was to high. I have an OEM refurbished Carter 2 barrel on right now. I have had it on since 2010, and I did pass a couple times before. I am having trouble starting...
  11. YJ Wrangler Technical Forum
    I have a 1984 CJ with a '89 4.2 L. ALso has a weber carb. We replaced the Tank and sending 4 days ago. It started and ran like a dream right after it was replaced. Tried it today, and it died after moving 20 feet. would not start back up. It will start with starter fluid, dies immediately...
  12. Jeep CJ Forum
    Finally decided to swap out the PO's piece-of-crap Weber for the MC2100. Assuming there are plenty of small-block Fords to harvest the donor. Does anyone have a thread to refer, with step-by-step instructions, hopefully photos? I can turn a wrench, but a noob to the CJ life. Fabricating the...
  13. Jeep CJ Forum
    I am new to owning a a jeep. Just bought a jeep that has been sitting for awhile. I need to know what carburetor was stock on this jeep. I think that someone put stuff on here that isn't supposed to be on it and messed it up. How do I find out information on what parts are supposed to be this jeep?
  14. YJ Wrangler Technical Forum
    Okay, wise and learned scholars of the AMC/Jeep world...I have taken your advice, gone to a slew of junkyards and have managed to nick maybe the only 2100 in existence in Denver for a measly 30 bucks. (It's 300 on erhemann's ebay page) and the best part? It was professionally rebuilt less than...
  15. YJ Wrangler Technical Forum
    Someone took my tag off of me...any ideas? Comes off of a 1986 4.9 Ford Bronco junkyard - looks like a brand new reman carb...so is it a 2100 or 2150? Did I find the only one in the Denver junkyard system?? I've tried looking up the number above the year and got nothing (am about to search...
  16. Jeep CJ Forum
    I'm needing a new carb for my 78' CJ5. Should I go ahead and buy one just like the old one or is their cheaper options out there? I'm just trying to get this thing running to sell, so I'm not looking for increased performance or anything such as that.
  17. Jeep CJ Forum
    Hello folks, I'm new to this site and a new Jeep owner! I never realized how involved this all is. Very cool. Okay so here is my issue. I have a 232 i6 1976 CJ7 I have been reading a lot of posts and when i decided my little jeep was under powered I bought on eBay a 2100 carb. But now...
  18. YJ Wrangler Technical Forum
    This is going to be long post. I'm a verbose old boy, and believe that all too often on these posts (and I've read a bunch of them relating to this problem as late) that not enough information is given from the getgo, leading to subsequent posts till the story gets all straightened out...I'm...
  19. Jeep CJ Forum
    So recently I have been having issues with my 79 CJ5 and having the engine die on me a couple of times. I start it up in the morning just fine and I can hear the system kick in as it revs higher to heat the engine. After about 6 min I get in and I have to press the gas a little to bring the RPMs...
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