Tomolu5 wrote: I would assured that your ignition advance mechanism is working properly and lubricated.
How do you lubricate the ignition advance mechanism? I had to replace the broken stock electronic ignition with a Dyna ignition and coils. It is just a magnet that rotates and triggers the sensor, right?
Tomolu5 wrote: Also the idle air adjustments could have a slight effect in this range. The throttle opening and rpm range mentioned are far to high to be affected by a Carb sync IMO.
I did the exhaust pipe skin test and found that cylinder 3 was not firing. See the above link for a continuation of that topic/thread and what I did last night.