Originally Posted by djtodd

Engine-wise I don't know how much they've done, if any. The suspension components they are running are impressive.

Edit: Wow! Just looked at the list of permitted mods for the chevy's and fords vs the list of allowed mods for the 370z.
Basically you can rebuild the entire camaro or mustang (minus the engine), and for the 370 you can....upgrade the stock brakes, use adjustable arms, and swap for HR heads.