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  1. C

    Engine Running Rough and Backfiring

    I understand where you are coming from but why would it be like a switch was turn on and it runs better. it is not gradual, it goes from bad to good in a second.
  2. C

    Engine Running Rough and Backfiring

    I replaced the fuel filter and no difference. When it starts when cold it runs very rough at idle. If I drive it, it spits and spudders down the road. After about 3-4 miles it all of a sudden runs perfect. It does this every time and it does not gradually get better, it is like turning on a...
  3. C

    Engine Running Rough and Backfiring

    I put the Weber on and it still runs rough. It is very rough at idle and clears up a little with higher RPM but is still rough. When I pull a plug wire on 2 of the cylinders the engine gets rougher, the other 2 their is no change?
  4. C

    Engine Running Rough and Backfiring

    I found a good deal on a Weber carb, it gets here on Tuesday. Hopefully that will fix the issue.
  5. C

    Engine Running Rough and Backfiring

    I noticed the shaft for the butterfly near the base is leaking gas. It is a Carter 1bbl carb, can this be repaired or does it need replaced? If needing replaced what is a good 1bbl replacement
  6. C

    Engine Running Rough and Backfiring

    I took the carb apart and cleaned it good, it should be good. I am in the process of looking at it again.
  7. C

    Engine Running Rough and Backfiring

    Mine only has a muffler no cat. It runs good, then it runs like crap, then it runs good. It feels like a timing issue, but the distributor stays in the same place. Would a loose timing chain do this?
  8. C

    Engine Running Rough and Backfiring

    1984 CJ7 with a 2.5L 4cyl. Engine runs rough, backfires and has very little power. I changed the plugs, rotor, cap and wires, set the timing and it ran fine. I parked it in the garage, today I started it up and it is running rough, backfiring and low on power. It has done this several times...
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