Hy all, Convers with all of you on this forum is new for me, so i hope i will ask the good question. I just want to know the aproximate compression ratio i have with this setup: Stock B18C1 Bottom with type R pistons and rods 3 mm Cometic head gasket and B16 Head. I dont have a compressiometer, but i think i'm closer to 9.5 or 9.0 to 1. Every answers will be appreciate. Thanks all.