No to both
NSU Thurner RS?
Nope
Hint: italian
Alfa Romeo Scighera?
Nope
Oldsmobile Incas?
Edit: Just saw the Italian hint. Sticking with the Olds anyways.
Nope
Hint: V12
Hint: Rebodied racecar
Jiotto Caspita?
Nope
Hint: Ferrari branded
Pininfarina dino 206 competizione
Nope
Hint: 60s
Ferrari 250 P5 Pininfarina?
Ferrari 512S?
No to both
Ferrari 275 P2 (Michelotti)?