Carb "Popping"

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Carb "Popping" - 4/12/2008 11:50:56 AM    mopower76   Posts: 15 Joined: 12/6/2007 Status: offline Please HELP!!! I have a question about a 1989 Jeep Grand wagoneer with the 360ci. V8. I purchaced this Jeep not running, I first did a compression test- -This is how the comperssion test went - -1-98    2-110 -3-98    4-115 -5-110  6-120 -7-100  8-118 I replaced the fuel filter, fuel pump, plugs wires, cap, and roter. After doing the tune up the Jeep cranked 5-6 times making a "fwooump" sound on every revolution, then it fired up - hi idiling at about 2500RPM - I kicked it down off high idle and it made a "snapping"noise through the carbuerator - it then idled very rough and would not idle on it's own - from then every time I would raise the RPM's it snapped like exhaust was comming up through the carb (not like a carb backfire, very steady), upon further inspection I found the plasticcarb baseplate to be cracked, and the gaskets were pushed out and leaking fuel. After researching carburators, rebuild kits, etc. I decided to purchase a Edelbrok aluminum 4bbl intake (non EGR) and a 600cfm. carb, eleminating the egr and all smog accessories thinking this would resolve the issue. It did not. The motor does run a lot smoother but still has a miss and still snaps through the carb when raising the RPM's. My question is - what would this snapping noise through the carb be? Iam under the impression that if the exhaust valves were hanging up, there would not be any compression. What am I missing?! I do not think this an AMC specific problem so I am posting this on several different forums. Thanks for any and all ideas...I'm ready to pull hair out! _____________________________ "Do it in a MOPAR!" 1970 Challenger R/T 440ci 11.68 ET on st tires & pump gas 1970 FM3 Charger 500 383ci. 1991 Shelby Daytona 12.58 ET 1998 Durango 4x4 SLT 2003 Ram 1500 Hemi Quad Cab Post #: 1

RE: Carb "Popping" - 4/12/2008 5:25:30 PM    bone33 Posts: 765 Joined: 4/15/2007 Status: offline i assume you timed it. _____________________________ NASCAR in my backyard (in reply to mopower76) Post #: 2

RE: Carb "Popping" - 5/2/2008 1:11:03 PM    noodle Posts: 116 Joined: 12/12/2007 From: Manistee Michigan Status: offline Timing is off. _____________________________ 1995 Dakota SLT 4x4 5.2 318ci Flowmaster 40 Series Couple Bells and Whistles (in reply to bone33) Post #: 3

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