:idea: Oh yeah, the old divide by 8 rule.
With a compression average of 9.5, you should be able to run in the mid nines.
ops:
Here are a few sites:
http://www.not2fast.com/turbo/compre...pression.shtml
http://www.bgsoflex.com/cr.html
http://www.carcraft.com/techarticles...tio/index.html