What does this tell you?

Still short drive testing after head gasket and a went for a more spirited drive- 50mph for 10 mins or so. Temp got up too high just as I made it home.

Opened the hood and getting some coolant from the reservoir area and when I opened the bleed screw and steam was coming out. Uh oh.

Here’s the deal:

Running with no spinning fan or shroud attached.
Temp- as high as 121 degrees C engine coolant temp, on 65 degrees C radiator outlet temp. Upper radiator hose hot and tight, lower hose not hot but tight.

Must be radiator or something clogged?

Yesterday I did about half as far, temps were good, hoses both hot and full. What broke?


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