Hey guys my brother is building a Gsr motor and He messed around with his setup a bit too much. He has 12.0:1 pistons and egal rods and a LS lightweight crank. So what is the thickest head gaskit he can instal to lower the comp? thanks for any help

 

do the math or change the pistons. cometic makes different gasket thicknessess.

 

Yeah but i was just wondoring whats the thickest i can have one?