Originally Posted by Stu @ M Developments
I think people are still not following what part of the head makes up the squish here, but i cant think of a good way to put it into words....
I've been trying too Stu..
seems so easy, eh..?
I thought my dodgy sketch may make it clearer..
if you have a spacer plate with a 90-odd millimetre circular bore (ie to the gasket line on the picture), the shaded areas of the head (the squish area) will be spaced apart from the block face (and obviously the piston crown)