Engine Noise Database

Rod Knock? Lifter tick? Bolt stuck in the cylinder?
Come here to find out what noise your engine is making.
Post your noises that have been diagnosed and I will add them here.

Lifter Tick
Collapsed Lifter - Amphiron
Collapsed Lifter - CoopKill

Spun Bearing/Rod Knock



Other

That picture has really bad audio.

So, that's what lifter tick looks like...

Behold. If your engine looks like that, then you most likely have or will have experienced lifter tick.