tips on troque bolt pattern

new radiator, bled air out of system, overheated, changed water pump and thermostat, still overheats. any other suggestions before i change the head gaskets?

Is coolant being pushed out of radiator cap?
Any coolant losses?
Does turning on the heater prevents overheating?
Have you checkd the cooling fans?
When does the overheating occurs?

Cylinder head tightening sequence are shown in diagrams.

Tightening torque are same for both sides.