well im going to run ctr piston in a jdm b16 block with a gsr head and s2s2 cams and flat faced valves im getting mixed compression from diffrent ppl and sites say that compression will be 11.3 and some sites say 12.2 does anyone know what compression will i get with this setup?

 

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

 

it says 11:7 compression that cant be right ctr piston in a b16 block