back when I lived in the desert, folks would remove the center functioning part of the stat, leaving the large washer-like mount plate to restrict the size of the passage, hence slowing the flow - particularly common with the Ford flat motors
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
