Stock Thermostat, lower your fan settings to:

FAN 1 ON/OFF: 209/200
FAN 2 ON/OFF: 219/210

180 Thermostat set to:

FAN 1 ON/OFF: 194/185
FAN 2 ON/OFF: 204/195

160 Thermostat set to:

FAN 1 ON/OFF: 184/175
FAN 2 ON/OFF: 194/185