can anybody tell me if this noise is familar??an what happened?

[loudboyssp]

http://static.photobucket.com/playe...obucket.com/albums/hh536/quandoe79/MOV051.mp4

 

[mr.speaker]

Hard to tell from the loud blower and distortion in the video, but it sounds like a header gasket and what you're hearing is the lifters tapping