Hey, i'm looking for some ideas on a clicking noise coming from the engine. The car's a 2000 civic VP with a D16Y8 swap. about a month ago i had the valves adjusted, and recently i've been hearing this pinging/clicking noise out of the top of the engine. I figured it may have just been a bad valve adjustment so I adjusted them myself today and found they were loose, but when I started it up, the engine ran better, but the clicking sound was still there.

Here's the link to a vid of the engine. You can clearly hear the clicking over the other engine noises.

http://www.youtube.com/watch?v=uGvcWxjxsaA

Here's the specs on the engine mods:

Engine Block:
- D16Y8 block bored over 0.010 mm (non-sleeved) 1.7L
- .010mm over sized SRP low compression 9.0:1 pistons


Head:
- D16Y8 head (milled .001 mm)
- ported and polished intake and exhaust ports
- Ferrera Valves with a 5 angle valve job
- Ferrera Titanium retainers
- Comp Cams high tension valve springs
- Comp Cams 10500 cam
- AEM adjustable Cam Gear
- Mugen valve cover

 

pull 1 plug wire at a time and see which cyl. its coming from

 

My y7 makes the same noise when cold starting. Dunno what the cause is.

 

So pull a plug wire and start it up and see if the noise goes away and if it doesn't move onto a different plug wire? Won't that burn up the coil or distributor?

 

Does the noise ever stop? My noise continues even when the engine is warm

 

no it wont burn it up its only for a min, just unplug 1 wire at a time from the dizzy cap.
until you find out which cyl its coming from.

also when you adj the valves,do you know what your doing? did you use a feeler auge and to the right specs?

 

Yes I used the feeler gauge and set them to .007 for the intake and .009 for the exhaust.

 

I unplugged and replugged the wires one at a time from the distributor and the noise never went away with any of the wires unplugged. Any ideas?

 

then its in the head, maybe a bent valve?

 

I was thinking it could be that or a bent rocker arm, would that make sense? I appreciate all your help