About 2 weeks ago I started the engine and it made an awful noise for about 15-20 seconds. It's difficult to describe. It sounded like a thin aluminum fan blade hitting against something. Any guesses as to what it might have been. Thanks
No not at all. Not an engine ticking. It was like if you clipped a thin piece of aluminum on the spokes of a bike and spun it fast, it was very loud though. Very difficult to explain and I didn't want any of you to waste your time trying to guess. Rather I had hoped maybe someone else might have had this happen and figured it out. It's only happened once so far, but it was unnerving at the moment. I don't know if zero oil in the top end would cause the rocker arms to cladder like that. Usually they make a deeper more metal to metal sound.....Are we talking a tick?