i can't tell you what it'll be like with the Z, but it's been done many times & there's no clearance issues. if you get a good kit, it's damn near a direct bolt-in. just look at the northwestoffroad website.
also here's a guy that's trying to sell a set of nwor motor mounts:
http://www.streetsourcemag.com/forum/topic.aspx?whichpage=2&pagesize=15&forum_id=88&topic_id=103594