Quote
Still, it would be a LOT easier to just replace the clutch...

Stock clutch yes, Switchable one no. It can be done but will have to have parts made to adapt to motor/fan. To my knowledge no one makes a direct fit one. Another option may be go direct drive and replace the fan. Direct drive will have max air flow at low rpm and the fan blades will flatten out at high rpms. Or convert to electric is also a option.