Hey John, any further developments? I'm also on a similar all wood fire quest with my Vision kamado. When using a heat deflector it seems you have to increase airflow in order to get clean smoke. I've had to prop open my exhaust vent and it works, good smoke with that perfect perfume of wood flavor. The bad news is because of the faster airflow the smoke is moving so fast through the chamber that it doesn't have time to flavor the meat. I'll keep experimenting but fear we may be trying to force a square peg into a round hole.