Have you checked valve clearance? I run .003 intake and .005 inch exhaust.
Is your gas valve vacuum operated or a petcock style?
Also make sure the two slip on connectors to the coil are tight and free of corrosion. A bad choke would not hurt starting as far as I remember it would make it run rich after it has warmed up. The choke/ fuel enrichment is open with no voltage and when it warms up it slowly closes due to the charging system voltage from the ballast resistor and heat from the engine.
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