If you took the rotor temps right after a stop from road speed … you have to consider heat buildup from braking. Go out on a county road and gear it down from road speed to a stop with minimal braking to get a better running temp. If you tightened your spindle nuts
similar to wrist tight with a pair of channel locs like has been talked about … you'll be fine. We've already covered what the 50 ft lbs is for … then back it off. No two rotors will have the exact same pad drag, one wheel may carry more weight, you may have a tiny bit of air in the system yet, the sun may be shining on that side, .... You may be a little heat gun happy …