i heard that you can use your d16a si head and put it unto a zc dohc bottom block? they say that the zc bottom block has higher piston compession. I have a built d16a head and wanted to swap it unto the zc bottom block? Is it possible? i wanted to use my jackson supercharger on the motor. i need help and thanks for any advises. i wante this crx running by this winter for the races. thanks.