This is a tough call for me. The 350Z (Fairlady Z, of course) is already a hot car. I've heard about the car being a horrible track car. Well, these are real track cars. I look at the paintscheme to the 350Z LM Concept race car, and I'm thinking I'm Steve Millen at Sebring in 1996. While the 300ZX isn't in production anymore, it would be really nice to see a hardcore performing Nissan 350Z. The Motul Pitwork Z is pretty badass. If you've raced it with the Suzuka license test or in that One Lap Magic deal, you'll learn one thing- the car is QUICK! In addition to being quick, it handles like a charm.
If I had to choose, I'd favor the Motul Pitwork Z, but only slightly since both cars are solid.