good shits.....
Yeah the -4cc dome I think is dished vice flat. I think CP pistons has a set of flat tops that will yield you between 9.2:1 to 9.8:1. Wiseco website also has this calculator:
http://www.wiseco.com/PDFcatalogs/20...screen_cal.pdf
and C-speed:
http://www.c-speedracing.com/howto/c...c/compcalc.php
60/63 turbos are great man. By all means bro, take your time. That is and what I have been doing since I've started my second turbo set-up for my Teg. As a matter of fact you are being more careful than I am compared to my first turbo B18C set-up. What turbo manifold do you have in mind?