Need Some Help From The Experts On A Noise Problem Please

[terrible one]

I HAVE A 90 GSX WITH 119XXX MILES AND YSTERDEAY I STARTED TO GET A SLIGHT PING FROM THE HEAD AND THE CAR STILL DRIVES PERFECT I WAS WONDERING HOW BAD IT CAN BE AND HOW BAD IT CAN GET YOU CAN ONLY HEAR UP CLOSE TO THE MOTRO YOU CANT HEAR IT FROM THE COCKPIT I NEED SOME HELP I DONT WANT TO #### MY CAR UP

 

[unior]

are you sure your not hearing valve tap - is this noise at idle?

 

[terrible one]

the noise is onlt when you rev the car up some its fine at idle and all of the pressure are fine and it drives fine