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So I'm trying to identify what may be the cause of this ticking noise.
I listened to all the LS1 ticking and knocking videos on YouTube but none are similar to mine.

It sort of sounds like when you hold a metal pen between two fingers and you tap it against a metal table. Best way for the to describe it. Maybe the rods or something.

Here is the video

You can hear it best at 0:05 and 0:22. The sound seems to be coming from the backside of the engine (closer to firewall).

It would be great if I could get some thoughts on what it could be, maybe what I can do about it as well.

DucatiKiller
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Vincent Vega
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1 Answers1

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I have an LS2 that makes a sound similar to that sound but it was an upper valve tap so i put some Seafoam in the oil before the oil change and now the sound is gone. It also could be the exhaust manifold bolts are broken causing a noise that sounds like an upper valve tap. Speaking form experience it's probably the manifold bolts are broken. Good luck diagnosing the issue. Hope my answer helped.

Conradish006
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