Quote Originally Posted by japan4racing
instead of gsr bock with b16 head i swapped them around and tossed some p30's in the mix

Block = b16
Head = b18c1
Piston = p30
Head Gasket Thickness = OEM B-series 3-layer
Piston-to-Deck Height = OEM b16

Compression Ratio = 10.657
b16 block with a p72 head?! That would be retarded, GS-R heads can't breath like a b16/b18c5. Higher compression isn't always better if the head doesn't flow well.