Hey guys, a little while ago I noticed that the sound from my engine bay was getting a little louder than I remember. It sounds like I hear can the valves more than I used to. (maybe a sticking valve?) I'm in the process of tracking down someone else I know of that has a 2006 Si and compare engine idle sounds but I decided to take a little recording for myself and post it up here, to see what you guys might think. It could be completely normal and I'm just being paranoid but I'd rather have peace of mind. Car is fully warmed, and idling perfectly at 750 RPMs.
http://videos.streetfire.net/video/3...26014dbf8d.htm
Normal? Louder than yours? I'd appreciate any comments from any Si owners. Thank you!