2nd aux radiator was turned off during the second log. Weather at the time of logging: Day, clear 26C / 79F indicated in cluster 25C / 77F indicated on weather app 36% rH humidity on weather app 1011mb pressure on weather app almost no wind not far from sea-level. First test: All coolers on + WI: Peak iat 111F 44C Peak dct 217F 103C Peak oil 262F 128C Peak coolant 223F 106C Second test: As test number 1, but with the 2nd aux radiator turned off: Peak iat 111F 44C Peak dct 210F 99C Peak oil 262F 128C Peak coolant 228F 109C