The Strega looks decent and would be a great alternative to an MX-5 or S2000. However, a 2-valve/cylinder DOHC head would have been more fitting for the 60s and 70s - it would be very outdated for the 1990s, let alone the 2000s. As for the Giove, I remember the 4-door version from QFC8, where it was quickly found wanting:
TRX tires are those with a diameter divisible exactly by 10 (an attribute shared with racing tires) - so why on Earth did you use them? It may have been that the rule set did not say anything about them.