[QUOTE=ARTEMIS1759;379889]
Quote Originally Posted by 1gary View Post
Under the last touched theory,it could have air trapped in the system.If it was a bad head gasket,you can take off the rad cap and wait for the thermostat to open.If there is a bad head gasket once the thermostat opened,you would see a stream of bubbles.Is there any white smoke coming out of the tail pipe??.That is after it warms up.

No smoke, milky oil, nothing??
Suggest you don't over look the cap off/bubbles test.