descaling is the tech term for a complete cleaning of the radiator-normally can be done without pulling down the rad

this can be done at shops with the LavRamon machine

i had mine done at servitek Kapitolyo
less than 1k ang singil takes about an hour

they'll flush out the enitire cooling system with a cleaner then replace with 50/50 coolant/water mixture

my normal operating temp is slightly middle of temp gauge in all driving conditions