This is probably one of the first times ive read a magazine in borders word for word about a honda.
http://floridahondacrew.com/pictures/20093-cartek-tuning-1016hp-s2k-493hp-rwd-civic.html
cliff notes:
AP1 s2000, w/ Ap2 f22c. 47psi = 1016 hp
f20c rwd civic si ~493whp. @17psi
And zoom in to read the article.