Need help calculating final compression ratio... Using a '99 B20z bottom end w/ stock pistons/rods/etc.(9.6:1 stock) + '97 GSR head w/ Omni Power high compression valves. Anyone who might be able to help or point me in the direction of good help would be appreciated. Thanks

 

http://www.c-speedracing.com/h...c.php

off the top of my head I will guess 10.4:1

 

bump

 

Did you even use the link I gave you?

 

sorry, didnt use it at first, but you were right, it was very helpful. Thank You