Overall the same sounds as my AP2 MY05 (53K miles). Yours seems louder though but it could be just the recording. I use 5.1qts of oil.

I measure the oil I put in from the container. I then check how much it reads on the dipstick while the car is in my garage and use it as a guide to detect any losses. Using the dipstick to measure the amount of oil to put in is affected by being on unleveled ground or by having the car jacked up.

There are risks associated with using more oil. The higher pressure will cause it to find a way out.

 

iv had alot cars and s2000 have really noisy engines compaired to other jdm style cars and hondas exspecially... my f20 was allways tickjng clicking all kinds of stuff and my f22 is a little better but still noisy.. b series k series alll make noises its an aluminum engine with high tolerences.

its all fine just make sure your tct isent the culpret like said above it sounds like a card in a bike....

make sure you cross into vtec a few times a day toooo its a healthy habit