Thank you Graham and Peter. It looks like added insulation and a look at the bonnet extenders. We have the heater top blocked atm, and a 5 inch hose connected instead bringing air from forward of the motor. Could just toughen up a bit I suppose, and not worry too much, but will investigate some very good suggestions above. Peter, thank you for continuing the entertaining repartee,
regarding migration to the UK. Others seem to have gone to ground.