Clacking upon startup

[RDpanda]

2007 Civic Si, when the car fires up from a cold start it makes a clacking noise that revs up then goes away completely. Only lasts a second or two but is getting louder. Like it's not getting oil right away. Or like the lifters need adjustment? Any ideas?
Thanks

 

[R3dline]

prolly your valves. do you run s**t gas?

 

[RDpanda]

prolly your valves. do you run s**t gas?

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[dancam]

Does you engine use a timing chain? If its a bit loose would that cause clacking until it gets well oiled?
Your valve lash is manually adjusted correct? If so it shouldn't go away after just a few seconds.
How long since your last oil change? Any correlation with that? Could be a bad adbv letting all the oil back to the pan so your valvetrain is starting dry every time.


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[Jayk S]

Do you change your own oil? Cheap oil filters have been known to cause that also. Could also be the timing (if applicable) like dancam said

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[typec]

Clanking sound may be coming from the valves. What type of oil are you using? Using thicker oil may solve your problem.

 

[civhatch92]

Lost motion assembly perhaps? At least I know that made noise on my B16A motor until I swapped it out.