Not sure re 2.2; I had a 2.4 w the BAS remap and intercooler upgrade. Just checked my logs from NT & FNQ last year - intake temps of 41, 45, 40 and she never went over 90° coolant with a full load in the car, on the roof and towing a loaded camper.
I didn't upgrade the radiator though.
Cheers,
Col

