the USDM spec b18c5 does have 10:5:1 as i know...
Pumping out 195 hp from a 1.8L is damn good...108.51 to be exact...
raising it any higher would have significant strain on the engine, and cause a lot of damage to it, if not blowing it.
thats why a b18c5 is not the best engine for Turbocharging, Nitros injections, or high psi supercharging amounts.
the b18c1 (integra GS-R) has lower compression ratios, making it more popular for forced induction, and a popular Civic Swap <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/smile.gif" border="0" valign="absmiddle" alt='

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