[12secondv6]

I opened up the thermostat housing to find the original thermostat in multiple pieces.

So... it broke... stuck the thermo in the closed position.... pressure built up and BOOM! Radiator died.

So.... thermostat changed.... radiator changed.... and it is back in action.

I was initially having problems with purging the air from the system... but then replaced the broken thermo and all is good.

Thanks to all for assistance!