A Z car can be made to handle just like a go-cart... turning quickly without spinning out. However, in stock format... they were just ok. A corvette on the other hand came both ways... the older vettes (83 and before) didn't handle to good without improvements. Newer vettes... are hard to beat from the factory. In either case.. if ya drop some money into shocks, structs, springs, sway bars and the way these items are mounted. Both cars can handle extremely well. Is one better then the other... depends on what its used for. AutoX, road racing, street sun and fun... I have seen a 240Z race with corvettes and win... I have seen the opposite also.
Na... its been gone for more years then I'd like to admit to. If I remember right... when I picked it up, it had the Rodchester Quadrajet (sp) on it. Which was removed and a think a Holley went on it. I'm sure one did at one point in time or another.... I like getting horsepower out of what every I have... Kind of like Scottie... I would tend to think that he has such a nice turbo because he was running a chevy v8 before that. Per his web page. Once ya feel the power, its hard to forget that lov'n feeling.
Let me know what ya turnup... I get Hememing's Motor News and always give it a real good reading.