Does the engine have solid or hydraulic lifters? It sounds like a hydraulic cam that somebody has adjusted like a solid lift engine. BTW, it's idling WAY too fast to run it with the valve cover off!
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!