hey guys, im new here but i had a question that im sure yall can help out with. my cousin just bought an 88 cr-x Si. when i go to look under the hood, i see ZC on the block instead of d16XX, but with a SOHC head. i know those are supposed to be Dohc, right? is there a way to know what head it actually is? and why would someone do this? im lost to why its like that but any help,info or opinions are welcomed. thanks.