I own a 2002 Spa Yellow S2000 and I am also an Amsoil Dealer and the Amsoil products work great. You can visit my site and get all the specs on Amsoil products at http://best-synthetic-oils.com and be sure to look for the free catalog link.

I also sell direct from my site.

Amsoilman
http://www.best-synthetic-oils.com/