do you have water in oil ? it will look like there's milk deposits on dip stick. 2 .look at spark plugs to see if calcium looking deposits are on striker area, when extracted. 3 is large amount's of...
A cracked head will usually cause excessive pressure in the water jacket resulting in coolant being forced out of the radiator even before the coolant has heated sufficiently to cause the thermostat...
Not sure if your question is comparing the two situations, however, let me say a bit. A blown head gasket and a crack head has similar symptoms. Depending on the area of damage they can show signs...
Having lived through both events in different cars myself, the tell-tale signs vary depending on where the crack is, not just if it is block or head gasket. Sometimes when it happens it is horribly...