Not Ranked
Mark,
The question of proper timing/advance function is best determined by checking your timing. Record readings from a cold idle, record cold engine reading at 1300 RPM and the final reading taken when engine is sticking at 1300 RPM and hot.
If the engine does not have a significant amount of advance above the cold reading at the same RPM you need to keep looking. (Significant = 10 degrees or more above cold reading RPM).
The timing curve was set up or adjusted on a dyno as stated in earlier post so gotta believe you are set up optimally. A vacuum reading at idle and 1300 RPM cold and another reading when hot may shed some light on this. The fact it takes an hour to give you grief is what makes no sense to me.
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