It can be done. Is it worth it on that setup no. But it only requires two holes to be opend up slightly, one alignment pin and one of the head stud holes has to be opend up. Any machiene shop can do this for about 30 bucks or even you could with a drill press if your careful. You will have to add a oil jet.
The reason its worthless is because of the large combustion chamber of the zc, your compression will drop to about 7.7 to 1. Thats a little low even for boost. Now if you put pm7 pistons in there from your zc yull be lookin at about 10.5 to one with the zc head