Timing made simple??? - JeepForum.com
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post #1 of 2 Old 07-25-2002, 09:58 AM Thread Starter
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Location: Central PA
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Timing made simple???

Hey all, first post here, and I hope it's easier than I'm making it out to be.
93 YJ, 4.0L, Pacesetter headers...Sunday afternoon my distributor did it's own special imitation of Chernobyl forcing me to replace it. Didn't look like that tough a job, could only go in one of two ways and one of those would be right, right? Oh silly little boy, it's just never that easy...So I get the new distributor in, taking the extra couple minutes to replace the rotor, cap, plugs & wires while I'm at it. It starts up & runs...sorta. It now idles very low, maybe 800 or so, then jumping as it tries to catch itself, or just stalling after a 30 seconds or so. When I drive it, it's very rough but doesn't quite stall until I stop. When it's decelerating it backfires. In general, it's just running like crap. I'm the first to admit that I'm not the most knowledgeable about engines, but I can change a sparkplug I figure it's got something to do with the timing, but just can't fix it. I tried loosening the bolt that holds the distributor in, rotating the distributor the 1degree or so it allows...but that didn't help at all. So...help a guy out here, what am I doing wrong? Thanks in advance,


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post #2 of 2 Old 07-25-2002, 11:11 AM
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Put you’re #1 cylinder at top dead center and put the distributor in with the rotor pointing at #1 cylinder "where the #1 cylinder spark plug wire goes" and try that you should then set you’re timing, you should be able to move the distributor more that 1 degree. Be shore to plug and disconnect the vacuum advance, im not shore what rpm you’re rig should be at to time, you’ll need to find that out. Good luck

89 YJ with: 2.5 OME, SOA, MX-6 shocks, 33" ProComp MTs, AE. 589 rims, SYE + CV driveshaft, Homemade Bumper and nutter bypass. Also looking for some 44s to put under it.
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