Solved! ?I have 4 hose clamps, could only find 3 this morning getting ready to change out thermostat. ?One on rad out hose. ?Don't remember putting it on. ?I try to keep track of my tools, didn't this time. ?Color me dumb!!!
Topped off coolant, went for a drive, never got above 96C (205F). ?No harm done this time but, man, sometimes I wonder...