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  1. Jeep CJ Forum
    I have a '77 cj5 with the 304 and prestolite ignition. I have decided to upgrade my distributor and ignition module from the prestolite version to the duraspark version. I wanted to know whether the red or white wires can handle full battery voltage or do I need to put a resistor inline to lower...
  2. YJ Wrangler Technical Forum
    Just something I ran into here and I'm wondering if the Chiltons book is right related to timing. This is the order of the spark plugs etc on the cap. #2 being at the front. Distributor rotor at 3 o'clock when installed correctly. So, is this what yours looks like? Everyone says the rotor...
  3. Full Size Jeep Forum
    Looking for feedback on this process, and how did it change performance of your rig. Watched youtube vids and best method I think for me, as I am staying with my carb, and dura spark ignition. Truck came with MSD, but switched back to ICM, trying to get it running. Note, I just got my rig...
  4. Jeep CJ Forum
    So I got my 304 running good at idle and it’s drives smooth. The only problem I am having right now is backfire out the carb and bogging when I do a hard acceleration from idle. I’ve boiled it down to timing and I’m wondering what the timing on a stock 304 is, initial and total? I’ve had it at...
  5. Jeep CJ Forum
    Hello All, I have a 1977 Jeep CJ7 inline 6, 4.2L 258. I have rebuilt the entire engine, remachined, mostly new part, new wires and a upgrade to a new double barrel Holly Carb. I have been having a lot of issues with it running rough. She will idle smooth and even run smooth when I rev the...
  6. Engines & Drivetrain
    I was leaving down town when my jeep died after leaving work. Sputtered, then would not start. There was a few seconds where it sounded like it was going to try to fire, or back fire...then nothing. Towed it home. $120 Thought it was fuel pump. Changed it. $120. Still no spark. (needed to change...
  7. Engines & Drivetrain
    Backstory: My brother had a nice automatic YJ, he had an exhaust leak, the heat ignited some oil, it caught on fire, he put it out almost immediately with an extinguisher. All the fire damage has been fixed and it was started after the repairs were made(barely started but it started) but the...
  8. YJ Wrangler Technical Forum
    I have a 1994 YJ with a L4 2.5. I replaced the distributor gasket because I thought that was were the oil was coming from. But No. Its coming from above that area. Its coming from just below the bowl of the distributor. Any Ideas? is it just time for a new distributor? Thanks for the help...
  9. Engines & Drivetrain
    I have a 401 in my CJ, it has headers and an Edelbrock 1406 carburetor. It is currently setup with a Jacobs ignition, I am thinking about removing the Jacobs system and moving to a distributor with HEI built in. Any reason not to do this? If i go this route, any suggestions for a new...
  10. YJ Wrangler Technical Forum
    Ok, so I bought a new wire kit to replace all my spark plug wires between the distributor and the plugs. I replaced all the wires, matching the lengths as I went and when I was done I had the wire pictured left. I have the 2.5L AMC engine in her and this wire was the only one that had this type...
  11. YJ Wrangler Technical Forum
    Hey guys, got a little zealous on the puddle jumps I guess :doh:. Not used to water falling from the sky over here in SoCal. Got home just fine, started to bog once in about 1.5 feet of water, but never stalled. Pulled distributor cap and was bone dry. Plugs looked okay, but was unable to tell...
  12. KJ Liberty Forum
    At 245,000+ miles and a weekend wash job that included spraying under the hood (I know, I know), Monday morning's startup was normal, but a half mile into a 55-mile one-way commute to work, I noticed a slight miss, and just figured it was a little dampness. Three miles later it starts knocking...
  13. XJ Cherokee Technical Forum
    Basically I have a 00 Cherokee 4.0 new long block. After I swapped motors out it shot me some code. I'm assuming the code is from leaving the battery system unhooked for a week or so. The Jeep was then rear ended and totaled. So now I have a long block that needs a home. My question is this. Can...
  14. XJ Cherokee Technical Forum
    So I have a 91 xj and the distributor started screaming at me last week. Bought a duralast gold that ended up being defective, returned it, got another, finally got it installed and the jeep fires right up. Sitting there idling it sounds like its gonna stall out, then seems to recover. Driving...
  15. XJ Cherokee Technical Forum
    I've noticed within the last 2 weeks if I let my '96 XJ sit for more than a few hours, if I go to start it, it will take longer to turn over. However it doesnt sit and crank and crank. It takes a few more seconds than if I had just parked and started again. I wonder if this is a problem with my...
  16. YJ Wrangler Technical Forum
    Here's what I've got... I swapped my old '90 4.2L engine for a '98 4.0L and added a GM TH700R4 trans (& floor shifter). Also converted the fuel injection to Weber carb and Offenhauser intake manifold (off the old engine). Once finished, it ran great - easy start, lots of power, superb pickup...
  17. YJ Wrangler Technical Forum
    I've had my jeep sitting out at some weekend property and between visits recently some mice chewed up some wires under the hood causing the engine (94 2.5L) to not fire. I believe I've pinpoined the problem down to the camshaft position sensor wire coming out of the distributor being chewed...
  18. XJ Cherokee Technical Forum
    I'm new here, so here goes: I'm putting a used '95 4.0 into my '98 Cherokee XJ. Have installed new Cloyes timing chain/gears - all done exactly according to Chrysler/Jeep factory manual. Engine at TDC on compression stroke, all that. Double and triple checked everything, three times. NOW, am...
  19. ZJ Grand Cherokee Forum
    Hi all, very recently I've done a tune up on my 95 zj limited 5.2. It has developed a ticking only upon acceleration and in OD. At idle all seems well. I recently went from 10w30 to 5w30 for my winter oil change (just 100 miles ago.) I decided to do a tune up, as my plug wires were worn...
  20. YJ Wrangler Technical Forum
    Hopefully someone here can provide me with some clarifications on my problem. I started hearing some faint "chirping" sound coming from the distributor cap area about 2 weeks ago when my Jeep is idling. The chirping will increase as I press the throttle. Then today, the chirping became more of...
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