90% of being cool is looking cool. Taildraggers with big tires look cool. A milk stool parked next to a Carbon Cub on a river bar has no cool factor....
Have you considered mounting it between the kick panel and boot cowl? Left or right side. I wouldn't want it mounted right over the cabin heat valve...
here is the only option on the engine side...it’s probably not a bad spot...lots of airflow in that spot...I could also rotate it 90 degrees to allow...