Oil in Radiater

have a 91 camaro rs with the 5.0 tbi motor.. i have oil in the radiater. could be blowed head gasket or cracked head maybe? and what could have been the cause of it?

have a 91 camaro rs with the 5.0 tbi motor.. i have oil in the radiater. could be blowed head gasket or cracked head maybe? and what could have been the cause of it? Running one hot can damage the gasket or the head and is usually the end result of oil in the coolant. Do a pressure test on the coolant to see if a head gasket is blown.