Probably been said before but for the first time in months I took a pin and reamed out the air intake holes. 2 appeared to be completely clogged and took some pushing to get the syringe needle through them. Lubed all the pieces up and reassembled. Opened up the air and juice and pow, huge airflow. No more pulling hard. Had to shut the air control down by 3/4's to get my favorite draw. Amazed.